3v4l.org

run code in 300+ PHP versions simultaneously

@ 2016-07-05T07:10:41Z

<?php

$f = [];

$f['Kitchen']['Dishes']['Mantovarka']=3;
$f['Kitchen']['Dishes']['Castrool']=91;
$f['Kitchen']['Dishes']['Separator']=10;
$f['Kitchen']['Product']=18;
$f['Kitchen']['Textile']=19;
$f['Kitchen']['Blue things One2']['Juicemaker']=25;
$f['Kitchen']['Blue things One']['Freegener']=13;
$f['Kitchen']['Blue things']['Microwave']=4;
$f['Kitchen']['Blue things']['Iron']=24;

function findKeyPath($arr, $key, $path = '') {
    foreach($arr as $k => $value) {
        if(is_array($arr[$k])) {
            $ret = findKeyPath($arr[$k], $key, $path.$k.',');
            if(is_array($ret)) {
                return $ret;
            }
        }else if($k == $key) {
            return explode(',', $path.$key);
        }
    }
    return null;
}

print_r(findKeyPath($f, 'Juicemaker'));

Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Array ( [0] => Kitchen [1] => Blue things One2 [2] => Juicemaker )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/YJD7q on line 3
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 '[' in /in/YJD7q on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/YJD7q on line 3
Process exited with code 255.

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139.58 ms | 409 KiB | 5 Q