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<?php $data = array( "item1"=>"1", "item2"=>"3", "item3"=>"5", "item4"=>"2", "item5"=>"4" ); $sortingArr = array("5","4","3","2","1"); $keys = array_flip($sortingArr); usort($data, function ($a, $b) use ($keys) { return $keys[$a] > $keys[$b] ? 1 : -1; }); print_r($data);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.27, 8.0.0 - 8.0.15, 8.1.0 - 8.1.2
Array ( [0] => 5 [1] => 4 [2] => 3 [3] => 2 [4] => 1 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/75cnu on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/75cnu on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/75cnu on line 15
Process exited with code 255.

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