mkloubert/php-linq

LINQ concept for PHP.

dev-master 2019-10-30 05:38 UTC

BSD-3-Clause

• Marcel Joachim Kloubert

README

A LINQ concept for PHP.

Most methods are chainable as in .NET context.

Here you can find the DOCUMENTATION in the wiki or the API documentation.

Features

• Lambda expressions
• Any kind of lists or iterators can be used
• Most methods are chainable as in .NET context
• Enhancements / improvements for use in PHP context

Requirements

• PHP 5.3+ (branch v2 or branch v1)
• PHP 7+ (master branch)

Example

A complete list can be found at the live example page.

use \System\Linq;

$seq = Enumerable::fromValues(5979, 23979, null, 23979, 1781, 241279);

$newSeq = $seq->select('$x => (string)$x')  // transform all values
                                            // to string
              ->where('$x => !empty($x)')    // filter out all values that are empty
              ->skip(1)    // skip the first element ('5979')
              ->take(3)    // take the next 3 elements from current position
                            // ('23979', '23979' and '1781')
              ->distinct()    // remove duplicates
              ->order();    // sort
                                    
foreach ($newSeq as $item) {
    // [0] '1781'
    // [1] '23979'
}

What you need

• The phpLINQ.php file
• The whole System folder

The file / directory structure:

System/
phpLINQ.php

Implemented

• aggregate()
• all()
• any()
• average()
• cast()
• concat()
• contains()
• count()
• defaultIfEmpty()
• distinct()
• elementAt()
• elementAtOrDefault()
• except()
• first()
• firstOrDefault()
• groupBy()
• groupJoin()
• intersect()
• join()
• last()
• lastOrDefault()
• max()
• min()
• ofType()
• orderBy()
• orderByDescending()
• reverse()
• select()
• selectMany()
• sequenceEqual()
• single()
• singleOrDefault()
• skip()
• skipWhile()
• sum()
• take()
• takeWhile()
• toArray()
• toDictionary()
• toList()
• toLookup()
• union()
• where()
• zip()