Online PHP editor | output for pQ0Eu

@ 2019-10-22T08:45:10Z

<?php
$arr['cat1']=[
        'attributes'=>[
            [
                'attributeName'=>'name1',
                'attrSortOrder'=>'1'
            ],
            [
                'attributeName'=>'name2',
                'attrSortOrder'=>'5'
            ],
            [
                'attributeName'=>'name3',
                'attrSortOrder'=>'2'
            ],
        ],
        'category_id'=>10
    ];
    $arr['cat2']=[
        'attributes'=>[
            [
                'attributeName'=>'name4',
                'attrSortOrder'=>'5'
            ],
            [
                'attributeName'=>'name5',
                'attrSortOrder'=>'7'
            ],
            [
                'attributeName'=>'name6',
                'attrSortOrder'=>'2'
            ],
        ],
        'category_id'=>12
    ];
function array_sort_by_column(&$arr, $col, $dir = SORT_DESC) {
    foreach($arr as &$v){
		array_multisort(array_column($v['attributes'], 'attrSortOrder'), $dir, $v['attributes']);
	}
}
array_sort_by_column($arr,'attrSortOrder');

print_r($arr);

Output for 5.5.26, 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Array ( [cat1] => Array ( [attributes] => Array ( [0] => Array ( [attributeName] => name2 [attrSortOrder] => 5 ) [1] => Array ( [attributeName] => name3 [attrSortOrder] => 2 ) [2] => Array ( [attributeName] => name1 [attrSortOrder] => 1 ) ) [category_id] => 10 ) [cat2] => Array ( [attributes] => Array ( [0] => Array ( [attributeName] => name5 [attrSortOrder] => 7 ) [1] => Array ( [attributeName] => name4 [attrSortOrder] => 5 ) [2] => Array ( [attributeName] => name6 [attrSortOrder] => 2 ) ) [category_id] => 12 ) )
Output for 5.2.5: Parse error: syntax error, unexpected '[' in /in/pQ0Eu on line 2
Process exited with code 255.

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