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Informations about the package laravel-csv

Laravel CSV

PHP Laravel package to export and import CSV files in a memory-optimized way.

Description

Export CSV files from PHP arrays, Laravel Collections or Laravel Queries and choose to prompt the user to download the file, store it in a Laravel disk or create the file in background as a Laravel Job.

Import CSV files from Laravel Disks, local files, strings or resources and choose to retrieve the full content or in small chunks.

The memory usage is optimized in this project by using PHP streams, which places the content in a temporary file (rather than PHP thread memory) and reads/writes content one line at a time.

NOTE: This project was inspired on https://github.com/maatwebsite/Laravel-Excel which is a great project and can handle many formats (Excel, PDF, OpenOffice and CSV). But since it uses PhpSpreadsheet, it is not optimized for handling large CSV files (thousands of records) causing the PHP memory exhaustion.

Upgrading from v1.0 to v2.0

Version 2.0 adds the importing feature so the only required action is to change the importing namespace:

Requirements

Installation

Step 1) Add composer dependency

Step 2) Publish the config file

Step 3) Edit your local config\csv.php file per your project preferences

How to Export

Step 1) Create an Export class file as shown below

Note: you may implement FromArray, FromCollection or FromQuery

Step 2) The file can now be generated by using a single line:

In case you want the file to be stored in the disk:

You may also get the content as stream for better control over the output:

For larger files, you may want to generate the file in background as a Laravel Job

Export - Data sources

Note: Only FromQuery can chunk results per chunk_size parameter from config file.

Laravel Eloquent Query Builder

Laravel Database Query Builder

Laravel Collection

Laravel LazyCollection

PHP Arrays

How to Import

Step 1) Create an Import class file as shown below

Note: you may implement FromDisk, FromFile, FromResource or FromContents

Step 2) The content can now be retrieved by using a single line:

Import - Data sources

From string

From local File

From resource

From Laravel Disk

Implementations

The implementations below work with both Export and Import mode.

Headings

Implement WithHeadings for setting a heading to the CSV file.

Mapping rows

Implement WithMapping if you either need to set the value of each column or apply some custom formatting.

Formatting columns

Implement WithColumnFormatting to format date and numeric fields.

In export mode, the Date must be either a Carbon or a Datetime object, and the number must be any kind of numeric data (numeric string, integer or float).

In import mode, the string content must match with the formatting set (e.g: yyyy-mm-dd for dates).

The formatting preferences are set in the config file csv.php.

Limiting the results

Implement the method below if you need to limit the quantity of results to be exported/imported.

License

Released under the MIT License.

All versions of laravel-csv with dependencies

PHP Build Version
Package Version
Requires php Version >=8.0
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