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<?php $str='prijs=0,209&orderby=price&order=undefined&posts_per_page=undefined'; parse_str($str, $str); array_walk($str, function(&$n) { $n = explode(',', $n); }); print_r($str);
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 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [prijs] => Array ( [0] => 0 [1] => 209 ) [orderby] => Array ( [0] => price ) [order] => Array ( [0] => undefined ) [posts_per_page] => Array ( [0] => undefined ) )
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/AaEJs on line 5
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/AaEJs on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/AaEJs on line 5
Process exited with code 255.

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