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148 lines
4.3 KiB
Markdown
148 lines
4.3 KiB
Markdown
# parseCSV
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parseCSV is an easy to use PHP class that reads and writes CSV data properly. It
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fully conforms to the specifications outlined on the on the
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[Wikipedia article][CSV]. It has many advanced features which help make your
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life easier when dealing with CSV data.
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You may not need a library at all: before using parseCSV, please make sure if PHP's own `str_getcsv()`, ``fgetcvs()`` or `fputcsv()` meets your needs.
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This library was originaly created in early 2007 by [jimeh](https://github.com/jimeh) due to the lack of built-in
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and third-party support for handling CSV data in PHP.
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[csv]: http://en.wikipedia.org/wiki/Comma-separated_values
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## Installation
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Installation is easy using Composer. Include the following in your composer.json
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```
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"parsecsv/php-parsecsv": "0.4.5"
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```
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You may also manually include the parsecsv.lib.php file
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```php
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require_once 'parsecsv.lib.php';
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```
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## Features
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* parseCSV is the only complete and fully featured CSV solution for PHP (as
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far as I know).
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* Supports enclosed values, enclosed commas, double quotes and new lines.
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* Automatic delimiter character detection.
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* Sort data by specific fields/columns.
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* Easy data manipulation.
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* Basic SQL-like _conditions_, _offset_ and _limit_ options for filtering
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data.
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* Error detection for incorrectly formatted input. It attempts to be
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intelligent, but can not be trusted 100% due to the structure of CSV, and
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how different programs like Excel for example outputs CSV data.
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* Support for character encoding conversion using PHP's _iconv_ function
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(requires PHP 5).
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* Supports PHP 5.4 and higher. It certainly works with PHP 7.2
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## Example Usage
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**General**
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```php
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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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```php
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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($csv->data);
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```
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**Auto-detect delimiter character**
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```php
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$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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```php
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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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$csv->save();
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```
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**Replace field names or set ones if missing**
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```php
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$csv = new parseCSV();
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$csv->fields = ['id', 'name', 'category']
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$csv->parse('data.csv');
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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 exact structure of the file._
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```php
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$csv = new parseCSV();
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$csv->save('data.csv', array(array('1986', 'Home', 'Nowhere', '')), true);
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```
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**Convert 2D array to csv data and send headers to browser to treat output as
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a file and download it**
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```php
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$csv = new parseCSV();
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$csv->output('movies.csv', $array, array('field 1', 'field 2'), ',');
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```
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## Credits
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* parseCSV is based on the concept of [Ming Hong Ng][ming]'s [CsvFileParser][]
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class.
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[ming]: http://minghong.blogspot.com/
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[CsvFileParser]: http://minghong.blogspot.com/2006/07/csv-parser-for-php.html
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## Contributors
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Please find a complete list on the project's [contributors][] page.
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[contributors]: https://github.com/parsecsv/parsecsv-for-php/graphs/contributors
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## License
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(The MIT license)
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Copyright (c) 2014 Jim Myhrberg.
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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 all
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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 THE
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SOFTWARE.
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