README

Master build:

This library provides a few useful functions used for sorting large arrays or sorting where comparing array values is expensive to perform. The intention is to provide these functions while remaining interoperable with PHP's built-in usort functions where possible.

It can be installed in whichever way you prefer, but we recommend Composer.

{
    "require": {
        "graze/sort": "*"
    }
}

Documentation

<?php

$unsorted = [
    (object) ['foo' => 1, 'bar' => 3],
    (object) ['foo' => 3, 'bar' => 2],
    (object) ['foo' => 2, 'bar' => 1],
    (object) ['foo' => 2, 'bar' => 2],
    (object) ['foo' => 3, 'bar' => 3],
    (object) ['foo' => 1, 'bar' => 1],
    (object) ['foo' => 2, 'bar' => 3],
    (object) ['foo' => 3, 'bar' => 1],
    (object) ['foo' => 1, 'bar' => 2]
];

$foo = function ($v) { return $v->foo; };
$bar = function ($v) { return $v->bar; };

// Using comparison sorting
$sorted = \Graze\Sort\comparison($unsorted, [$foo, $bar]);

// Using schwartzian sorting
$sorted = \Graze\Sort\schwartzian($unsorted, [$foo, $bar]);

// Using comparison sorting with usort
$sorted = $unsorted;
usort($sorted, \Graze\Sort\comparison_fn($unsorted, [$foo, $bar]));

graze / sort

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