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https://github.com/invoiceninja/invoiceninja.git
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880 lines
28 KiB
PHP
880 lines
28 KiB
PHP
<?php
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class parseCSV
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{
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/*
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Class: parseCSV v0.3.2
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http://code.google.com/p/parsecsv-for-php/
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Fully conforms to the specifications lined out on wikipedia:
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- http://en.wikipedia.org/wiki/Comma-separated_values
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Based on the concept of Ming Hong Ng's CsvFileParser class:
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- http://minghong.blogspot.com/2006/07/csv-parser-for-php.html
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Copyright (c) 2007 Jim Myhrberg (jim@zydev.info).
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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Code Examples
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----------------
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# general usage
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$csv = new parseCSV('data.csv');
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print_r($csv->data);
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----------------
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# tab delimited, and encoding conversion
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$csv = new parseCSV();
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$csv->encoding('UTF-16', 'UTF-8');
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$csv->delimiter = "\t";
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$csv->parse('data.tsv');
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print_r($csv->data);
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----------------
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# auto-detect delimiter character
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$csv = new parseCSV();
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$csv->auto('data.csv');
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print_r($csv->data);
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----------------
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# modify data in a csv file
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$csv = new parseCSV();
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$csv->sort_by = 'id';
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$csv->parse('data.csv');
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# "4" is the value of the "id" column of the CSV row
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$csv->data[4] = array('firstname' => 'John', 'lastname' => 'Doe', 'email' => 'john@doe.com');
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$csv->save();
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----------------
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# add row/entry to end of CSV file
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# - only recommended when you know the extact sctructure of the file
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$csv = new parseCSV();
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$csv->save('data.csv', array('1986', 'Home', 'Nowhere', ''), true);
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----------------
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# convert 2D array to csv data and send headers
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# to browser to treat output as a file and download it
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$csv = new parseCSV();
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$csv->output (true, 'movies.csv', $array);
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----------------
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*/
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/**
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* Configuration
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* - set these options with $object->var_name = 'value';.
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*/
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// use first line/entry as field names
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public $heading = true;
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// override field names
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public $fields = [];
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// sort entries by this field
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public $sort_by = null;
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public $sort_reverse = false;
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// delimiter (comma) and enclosure (double quote)
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public $delimiter = ',';
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public $enclosure = '"';
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// basic SQL-like conditions for row matching
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public $conditions = null;
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// number of rows to ignore from beginning of data
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public $offset = null;
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// limits the number of returned rows to specified amount
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public $limit = null;
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// number of rows to analyze when attempting to auto-detect delimiter
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public $auto_depth = 15;
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// characters to ignore when attempting to auto-detect delimiter
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public $auto_non_chars = "a-zA-Z0-9\n\r";
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// preferred delimiter characters, only used when all filtering method
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// returns multiple possible delimiters (happens very rarely)
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public $auto_preferred = ",;\t.:|";
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// character encoding options
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public $convert_encoding = false;
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public $input_encoding = 'ISO-8859-1';
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public $output_encoding = 'ISO-8859-1';
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// used by unparse(), save(), and output() functions
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public $linefeed = "\r\n";
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// only used by output() function
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public $output_delimiter = ',';
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public $output_filename = 'data.csv';
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/**
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* Internal variables.
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*/
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// current file
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public $file;
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// loaded file contents
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public $file_data;
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// array of field values in data parsed
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public $titles = [];
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// two dimentional array of CSV data
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public $data = [];
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/**
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* Constructor.
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*
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* @param input CSV file or string
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* @param null|mixed $input
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* @param null|mixed $offset
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* @param null|mixed $limit
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* @param null|mixed $conditions
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*
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* @return nothing
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*/
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public function __construct($input = null, $offset = null, $limit = null, $conditions = null)
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{
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if ($offset !== null) {
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$this->offset = $offset;
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}
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if ($limit !== null) {
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$this->limit = $limit;
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}
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if (count($conditions) > 0) {
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$this->conditions = $conditions;
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}
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if (! empty($input)) {
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$this->parse($input);
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}
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}
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// ==============================================
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// ----- [ Main Functions ] ---------------------
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// ==============================================
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/**
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* Parse CSV file or string.
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*
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* @param input CSV file or string
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* @param null|mixed $input
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* @param null|mixed $offset
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* @param null|mixed $limit
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* @param null|mixed $conditions
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*
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* @return nothing
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*/
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public function parse($input = null, $offset = null, $limit = null, $conditions = null)
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{
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if (! empty($input)) {
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if ($offset !== null) {
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$this->offset = $offset;
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}
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if ($limit !== null) {
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$this->limit = $limit;
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}
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if (count($conditions) > 0) {
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$this->conditions = $conditions;
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}
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if (is_readable($input)) {
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$this->data = $this->parse_file($input);
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} else {
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$this->file_data = &$input;
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$this->data = $this->parse_string();
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}
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if ($this->data === false) {
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return false;
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}
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}
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return true;
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}
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/**
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* Save changes, or new file and/or data.
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*
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* @param file file to save to
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* @param data 2D array with data
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* @param append append current data to end of target CSV if exists
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* @param fields field names
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* @param null|mixed $file
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* @param mixed $data
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* @param mixed $append
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* @param mixed $fields
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*
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* @return true or false
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*/
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public function save($file = null, $data = [], $append = false, $fields = [])
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{
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if (empty($file)) {
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$file = &$this->file;
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}
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$mode = ($append) ? 'at' : 'wt';
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$is_php = (preg_match('/\.php$/i', $file)) ? true : false;
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return $this->_wfile($file, $this->unparse($data, $fields, $append, $is_php), $mode);
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}
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/**
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* Generate CSV based string for output.
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*
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* @param output if true, prints headers and strings to browser
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* @param filename filename sent to browser in headers if output is true
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* @param data 2D array with data
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* @param fields field names
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* @param delimiter delimiter used to separate data
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* @param mixed $output
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* @param null|mixed $filename
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* @param mixed $data
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* @param mixed $fields
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* @param null|mixed $delimiter
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*
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* @return CSV data using delimiter of choice, or default
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*/
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public function output($output = true, $filename = null, $data = [], $fields = [], $delimiter = null)
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{
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if (empty($filename)) {
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$filename = $this->output_filename;
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}
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if ($delimiter === null) {
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$delimiter = $this->output_delimiter;
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}
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$data = $this->unparse($data, $fields, null, null, $delimiter);
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if ($output) {
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header('Content-type: application/csv');
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header('Content-Disposition: inline; filename="'.$filename.'"');
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echo $data;
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}
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return $data;
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}
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/**
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* Convert character encoding.
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*
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* @param input input character encoding, uses default if left blank
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* @param output output character encoding, uses default if left blank
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* @param null|mixed $input
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* @param null|mixed $output
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*
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* @return nothing
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*/
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public function encoding($input = null, $output = null)
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{
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$this->convert_encoding = true;
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if ($input !== null) {
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$this->input_encoding = $input;
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}
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if ($output !== null) {
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$this->output_encoding = $output;
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}
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}
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/**
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* Auto-Detect Delimiter: Find delimiter by analyzing a specific number of
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* rows to determine most probable delimiter character.
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*
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* @param file local CSV file
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* @param parse true/false parse file directly
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* @param search_depth number of rows to analyze
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* @param preferred preferred delimiter characters
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* @param enclosure enclosure character, default is double quote (").
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* @param null|mixed $file
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* @param mixed $parse
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* @param null|mixed $search_depth
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* @param null|mixed $preferred
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* @param null|mixed $enclosure
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*
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* @return delimiter character
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*/
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public function auto($file = null, $parse = true, $search_depth = null, $preferred = null, $enclosure = null)
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{
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if ($file === null) {
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$file = $this->file;
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}
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if (empty($search_depth)) {
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$search_depth = $this->auto_depth;
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}
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if ($enclosure === null) {
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$enclosure = $this->enclosure;
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}
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if ($preferred === null) {
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$preferred = $this->auto_preferred;
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}
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if (empty($this->file_data)) {
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if ($this->_check_data($file)) {
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$data = &$this->file_data;
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} else {
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return false;
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}
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} else {
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$data = &$this->file_data;
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}
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$chars = [];
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$strlen = strlen($data);
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$enclosed = false;
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$n = 1;
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$to_end = true;
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// walk specific depth finding posssible delimiter characters
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for ($i = 0; $i < $strlen; $i++) {
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$ch = $data{$i};
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$nch = (isset($data{$i + 1})) ? $data{$i + 1} : false;
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$pch = (isset($data{$i - 1})) ? $data{$i - 1} : false;
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// open and closing quotes
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if ($ch == $enclosure && (! $enclosed || $nch != $enclosure)) {
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$enclosed = ($enclosed) ? false : true;
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// inline quotes
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} elseif ($ch == $enclosure && $enclosed) {
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$i++;
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// end of row
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} elseif (($ch == "\n" && $pch != "\r" || $ch == "\r") && ! $enclosed) {
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if ($n >= $search_depth) {
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$strlen = 0;
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$to_end = false;
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} else {
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$n++;
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}
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// count character
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} elseif (! $enclosed) {
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if (! preg_match('/['.preg_quote($this->auto_non_chars, '/').']/i', $ch)) {
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if (! isset($chars[$ch][$n])) {
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$chars[$ch][$n] = 1;
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} else {
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$chars[$ch][$n]++;
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}
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}
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}
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}
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// filtering
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$depth = ($to_end) ? $n - 1 : $n;
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$filtered = [];
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foreach ($chars as $char => $value) {
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if ($match = $this->_check_count($char, $value, $depth, $preferred)) {
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$filtered[$match] = $char;
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}
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}
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// capture most probable delimiter
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ksort($filtered);
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$delimiter = reset($filtered);
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$this->delimiter = $delimiter;
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// parse data
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if ($parse) {
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$this->data = $this->parse_string();
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}
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return $delimiter;
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}
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// ==============================================
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// ----- [ Core Functions ] ---------------------
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// ==============================================
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/**
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* Read file to string and call parse_string().
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*
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* @param file local CSV file
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* @param null|mixed $file
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*
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* @return 2D array with CSV data, or false on failure
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*/
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public function parse_file($file = null)
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{
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if ($file === null) {
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$file = $this->file;
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}
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if (empty($this->file_data)) {
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$this->load_data($file);
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}
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return (! empty($this->file_data)) ? $this->parse_string() : false;
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}
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/**
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* Parse CSV strings to arrays.
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*
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* @param data CSV string
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* @param null|mixed $data
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*
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* @return 2D array with CSV data, or false on failure
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*/
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public function parse_string($data = null)
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{
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if (empty($data)) {
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if ($this->_check_data()) {
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$data = &$this->file_data;
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} else {
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return false;
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}
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}
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$rows = [];
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$row = [];
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$row_count = 0;
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$current = '';
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$head = (! empty($this->fields)) ? $this->fields : [];
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$col = 0;
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$enclosed = false;
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$was_enclosed = false;
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$strlen = strlen($data);
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// walk through each character
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for ($i = 0; $i < $strlen; $i++) {
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$ch = $data{$i};
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$nch = (isset($data{$i + 1})) ? $data{$i + 1} : false;
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$pch = (isset($data{$i - 1})) ? $data{$i - 1} : false;
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// open and closing quotes
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if ($ch == $this->enclosure && (! $enclosed || $nch != $this->enclosure)) {
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$enclosed = ($enclosed) ? false : true;
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if ($enclosed) {
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$was_enclosed = true;
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}
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// inline quotes
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} elseif ($ch == $this->enclosure && $enclosed) {
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$current .= $ch;
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$i++;
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// end of field/row
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} elseif (($ch == $this->delimiter || ($ch == "\n" && $pch != "\r") || $ch == "\r") && ! $enclosed) {
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if (! $was_enclosed) {
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$current = trim($current);
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}
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$key = (! empty($head[$col])) ? $head[$col] : $col;
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$row[$key] = $current;
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$current = '';
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$col++;
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// end of row
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if ($ch == "\n" || $ch == "\r") {
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if ($this->_validate_offset($row_count) && $this->_validate_row_conditions($row, $this->conditions)) {
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if ($this->heading && empty($head)) {
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$head = $row;
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} elseif (empty($this->fields) || (! empty($this->fields) && (($this->heading && $row_count > 0) || ! $this->heading))) {
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if (! empty($this->sort_by) && ! empty($row[$this->sort_by])) {
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if (isset($rows[$row[$this->sort_by]])) {
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$rows[$row[$this->sort_by].'_0'] = &$rows[$row[$this->sort_by]];
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unset($rows[$row[$this->sort_by]]);
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for ($sn = 1; isset($rows[$row[$this->sort_by].'_'.$sn]); $sn++) {
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}
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$rows[$row[$this->sort_by].'_'.$sn] = $row;
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} else {
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$rows[$row[$this->sort_by]] = $row;
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}
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} else {
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$rows[] = $row;
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}
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}
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}
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$row = [];
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$col = 0;
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$row_count++;
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if ($this->sort_by === null && $this->limit !== null && count($rows) == $this->limit) {
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$i = $strlen;
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}
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}
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// append character to current field
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} else {
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$current .= $ch;
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}
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}
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$this->titles = $head;
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if (! empty($this->sort_by)) {
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($this->sort_reverse) ? krsort($rows) : ksort($rows);
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if ($this->offset !== null || $this->limit !== null) {
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$rows = array_slice($rows, ($this->offset === null ? 0 : $this->offset), $this->limit, true);
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}
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}
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return $rows;
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}
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/**
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* Create CSV data from array.
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*
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* @param data 2D array with data
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* @param fields field names
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* @param append if true, field names will not be output
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* @param is_php if a php die() call should be put on the first
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* line of the file, this is later ignored when read.
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* @param delimiter field delimiter to use
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* @param mixed $data
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* @param mixed $fields
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* @param mixed $append
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* @param mixed $is_php
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* @param null|mixed $delimiter
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*
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* @return CSV data (text string)
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*/
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public function unparse($data = [], $fields = [], $append = false, $is_php = false, $delimiter = null)
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{
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if (! is_array($data) || empty($data)) {
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$data = &$this->data;
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}
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if (! is_array($fields) || empty($fields)) {
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$fields = &$this->titles;
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}
|
|
if ($delimiter === null) {
|
|
$delimiter = $this->delimiter;
|
|
}
|
|
|
|
$string = ($is_php) ? "<?php header('Status: 403'); die(' '); ?>".$this->linefeed : '';
|
|
$entry = [];
|
|
|
|
// create heading
|
|
if ($this->heading && ! $append) {
|
|
foreach ($fields as $key => $value) {
|
|
$entry[] = $this->_enclose_value($value);
|
|
}
|
|
$string .= implode($delimiter, $entry).$this->linefeed;
|
|
$entry = [];
|
|
}
|
|
|
|
// create data
|
|
foreach ($data as $key => $row) {
|
|
foreach ($row as $field => $value) {
|
|
$entry[] = $this->_enclose_value($value);
|
|
}
|
|
$string .= implode($delimiter, $entry).$this->linefeed;
|
|
$entry = [];
|
|
}
|
|
|
|
return $string;
|
|
}
|
|
|
|
/**
|
|
* Load local file or string.
|
|
*
|
|
* @param input local CSV file
|
|
* @param null|mixed $input
|
|
*
|
|
* @return true or false
|
|
*/
|
|
public function load_data($input = null)
|
|
{
|
|
$data = null;
|
|
$file = null;
|
|
if ($input === null) {
|
|
$file = $this->file;
|
|
} elseif (file_exists($input)) {
|
|
$file = $input;
|
|
} else {
|
|
$data = $input;
|
|
}
|
|
if (! empty($data) || $data = $this->_rfile($file)) {
|
|
if ($this->file != $file) {
|
|
$this->file = $file;
|
|
}
|
|
if (preg_match('/\.php$/i', $file) && preg_match('/<\?.*?\?>(.*)/ims', $data, $strip)) {
|
|
$data = ltrim($strip[1]);
|
|
}
|
|
if ($this->convert_encoding) {
|
|
$data = iconv($this->input_encoding, $this->output_encoding, $data);
|
|
}
|
|
if (substr($data, -1) != "\n") {
|
|
$data .= "\n";
|
|
}
|
|
$this->file_data = &$data;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// ==============================================
|
|
// ----- [ Internal Functions ] -----------------
|
|
// ==============================================
|
|
|
|
/**
|
|
* Validate a row against specified conditions.
|
|
*
|
|
* @param row array with values from a row
|
|
* @param conditions specified conditions that the row must match
|
|
* @param mixed $row
|
|
* @param null|mixed $conditions
|
|
*
|
|
* @return true of false
|
|
*/
|
|
public function _validate_row_conditions($row = [], $conditions = null)
|
|
{
|
|
if (! empty($row)) {
|
|
if (! empty($conditions)) {
|
|
$conditions = (strpos($conditions, ' OR ') !== false) ? explode(' OR ', $conditions) : [$conditions];
|
|
$or = '';
|
|
foreach ($conditions as $key => $value) {
|
|
if (strpos($value, ' AND ') !== false) {
|
|
$value = explode(' AND ', $value);
|
|
$and = '';
|
|
foreach ($value as $k => $v) {
|
|
$and .= $this->_validate_row_condition($row, $v);
|
|
}
|
|
$or .= (strpos($and, '0') !== false) ? '0' : '1';
|
|
} else {
|
|
$or .= $this->_validate_row_condition($row, $value);
|
|
}
|
|
}
|
|
|
|
return (strpos($or, '1') !== false) ? true : false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Validate a row against a single condition.
|
|
*
|
|
* @param row array with values from a row
|
|
* @param condition specified condition that the row must match
|
|
* @param mixed $row
|
|
* @param mixed $condition
|
|
*
|
|
* @return true of false
|
|
*/
|
|
public function _validate_row_condition($row, $condition)
|
|
{
|
|
$operators = [
|
|
'=', 'equals', 'is',
|
|
'!=', 'is not',
|
|
'<', 'is less than',
|
|
'>', 'is greater than',
|
|
'<=', 'is less than or equals',
|
|
'>=', 'is greater than or equals',
|
|
'contains',
|
|
'does not contain',
|
|
];
|
|
$operators_regex = [];
|
|
foreach ($operators as $value) {
|
|
$operators_regex[] = preg_quote($value, '/');
|
|
}
|
|
$operators_regex = implode('|', $operators_regex);
|
|
if (preg_match('/^(.+) ('.$operators_regex.') (.+)$/i', trim($condition), $capture)) {
|
|
$field = $capture[1];
|
|
$op = $capture[2];
|
|
$value = $capture[3];
|
|
if (preg_match('/^([\'\"]{1})(.*)([\'\"]{1})$/i', $value, $capture)) {
|
|
if ($capture[1] == $capture[3]) {
|
|
$value = $capture[2];
|
|
$value = str_replace('\\n', "\n", $value);
|
|
$value = str_replace('\\r', "\r", $value);
|
|
$value = str_replace('\\t', "\t", $value);
|
|
$value = stripslashes($value);
|
|
}
|
|
}
|
|
if (array_key_exists($field, $row)) {
|
|
if (($op == '=' || $op == 'equals' || $op == 'is') && $row[$field] == $value) {
|
|
return '1';
|
|
} elseif (($op == '!=' || $op == 'is not') && $row[$field] != $value) {
|
|
return '1';
|
|
} elseif (($op == '<' || $op == 'is less than') && $row[$field] < $value) {
|
|
return '1';
|
|
} elseif (($op == '>' || $op == 'is greater than') && $row[$field] > $value) {
|
|
return '1';
|
|
} elseif (($op == '<=' || $op == 'is less than or equals') && $row[$field] <= $value) {
|
|
return '1';
|
|
} elseif (($op == '>=' || $op == 'is greater than or equals') && $row[$field] >= $value) {
|
|
return '1';
|
|
} elseif ($op == 'contains' && preg_match('/'.preg_quote($value, '/').'/i', $row[$field])) {
|
|
return '1';
|
|
} elseif ($op == 'does not contain' && ! preg_match('/'.preg_quote($value, '/').'/i', $row[$field])) {
|
|
return '1';
|
|
} else {
|
|
return '0';
|
|
}
|
|
}
|
|
}
|
|
|
|
return '1';
|
|
}
|
|
|
|
/**
|
|
* Validates if the row is within the offset or not if sorting is disabled.
|
|
*
|
|
* @param current_row the current row number being processed
|
|
* @param mixed $current_row
|
|
*
|
|
* @return true of false
|
|
*/
|
|
public function _validate_offset($current_row)
|
|
{
|
|
if ($this->sort_by === null && $this->offset !== null && $current_row < $this->offset) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Enclose values if needed
|
|
* - only used by unparse().
|
|
*
|
|
* @param value string to process
|
|
* @param null|mixed $value
|
|
*
|
|
* @return Processed value
|
|
*/
|
|
public function _enclose_value($value = null)
|
|
{
|
|
if ($value !== null && $value != '') {
|
|
$delimiter = preg_quote($this->delimiter, '/');
|
|
$enclosure = preg_quote($this->enclosure, '/');
|
|
if (preg_match('/'.$delimiter.'|'.$enclosure."|\n|\r/i", $value) || ($value{0} == ' ' || substr($value, -1) == ' ')) {
|
|
$value = str_replace($this->enclosure, $this->enclosure.$this->enclosure, $value);
|
|
$value = $this->enclosure.$value.$this->enclosure;
|
|
}
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Check file data.
|
|
*
|
|
* @param file local filename
|
|
* @param null|mixed $file
|
|
*
|
|
* @return true or false
|
|
*/
|
|
public function _check_data($file = null)
|
|
{
|
|
if (empty($this->file_data)) {
|
|
if ($file === null) {
|
|
$file = $this->file;
|
|
}
|
|
|
|
return $this->load_data($file);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if passed info might be delimiter
|
|
* - only used by find_delimiter().
|
|
*
|
|
* @param mixed $char
|
|
* @param mixed $array
|
|
* @param mixed $depth
|
|
* @param mixed $preferred
|
|
*
|
|
* @return special string used for delimiter selection, or false
|
|
*/
|
|
public function _check_count($char, $array, $depth, $preferred)
|
|
{
|
|
if ($depth == count($array)) {
|
|
$first = null;
|
|
$equal = null;
|
|
$almost = false;
|
|
foreach ($array as $key => $value) {
|
|
if ($first == null) {
|
|
$first = $value;
|
|
} elseif ($value == $first && $equal !== false) {
|
|
$equal = true;
|
|
} elseif ($value == $first + 1 && $equal !== false) {
|
|
$equal = true;
|
|
$almost = true;
|
|
} else {
|
|
$equal = false;
|
|
}
|
|
}
|
|
if ($equal) {
|
|
$match = ($almost) ? 2 : 1;
|
|
$pref = strpos($preferred, $char);
|
|
$pref = ($pref !== false) ? str_pad($pref, 3, '0', STR_PAD_LEFT) : '999';
|
|
|
|
return $pref.$match.'.'.(99999 - str_pad($first, 5, '0', STR_PAD_LEFT));
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read local file.
|
|
*
|
|
* @param file local filename
|
|
* @param null|mixed $file
|
|
*
|
|
* @return Data from file, or false on failure
|
|
*/
|
|
public function _rfile($file = null)
|
|
{
|
|
if (is_readable($file)) {
|
|
if (! ($fh = fopen($file, 'r'))) {
|
|
return false;
|
|
}
|
|
$data = fread($fh, filesize($file));
|
|
fclose($fh);
|
|
|
|
return $data;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Write to local file.
|
|
*
|
|
* @param file local filename
|
|
* @param string data to write to file
|
|
* @param mode fopen() mode
|
|
* @param lock flock() mode
|
|
* @param mixed $file
|
|
* @param mixed $string
|
|
* @param mixed $mode
|
|
* @param mixed $lock
|
|
*
|
|
* @return true or false
|
|
*/
|
|
public function _wfile($file, $string = '', $mode = 'wb', $lock = 2)
|
|
{
|
|
if ($fp = fopen($file, $mode)) {
|
|
flock($fp, $lock);
|
|
$re = fwrite($fp, $string);
|
|
$re2 = fclose($fp);
|
|
if ($re != false && $re2 != false) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|