Online PHP editor | output for 8h0pe

@ 2024-06-18T22:39:24Z

<?php

$array = [
    'Foo',
    'bAr' => 'BaR',
    'suB' => [
        'a' => 1,
        2 => 'b',
        'C' => null,
    ],
    'obj' => (object) [
        'd' => 1.333,
        'SubArR' => [
            'This' => 'Is',
            'a' => 'challenge',
        ]
    ]
];

function recursiveWalker(array|object &$level, callable $callback) {
    foreach ($level as &$v) {
        switch (gettype($v)) {
            case 'string' : $v = $callback($v); break;
            case 'array' :
            case 'object' : (__FUNCTION__)($v, $callback);
        }
    }
}
recursiveWalker($array, 'strtolower');
var_export($array);

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: array ( 0 => 'foo', 'bAr' => 'bar', 'suB' => array ( 'a' => 1, 2 => 'b', 'C' => NULL, ), 'obj' => (object) array( 'd' => 1.333, 'SubArR' => array ( 'This' => 'is', 'a' => 'challenge', ), ), )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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