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run code in 300+ PHP versions simultaneously
<?php $array = array( "foo" => "bar", 42 => 24, "multi" => array( "dimensional" => array( "array" => "foo", "something" => 42, "something2" => [1,2,3] ) ) ); function printAll($array, &$save) { foreach ($array as $key => $values) { if ( ! is_numeric($values)) { if (is_array($values)) { printAll($values, $save[$key]); } else { $save[$key] = $values; } } } if ( ! empty($save)) { $save = array_filter($save); } } $save = array(); printAll($array, $save); print_r($save);
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [foo] => bar [multi] => Array ( [dimensional] => Array ( [array] => foo ) ) )
preferences:
133.78 ms | 404 KiB | 196 Q