Online PHP editor | output for gsCu3

@ 2014-08-21T14:40:28Z

<?php
$haystack = array(
        'A',
        'B' => array('BA'),
        'C' => array('CA' => array('CAA')),
        'D' => array('DA' => array('DAA' => array('DAAA')))
    );

function array_find($needle, array $haystack) {
    foreach ($haystack as $value) {
        if (is_array($value)) {
            if (in_array($needle, $value)) {
                return true;
            } else {
                if (array_find($needle, $value)) {
                    return true;
                }
            }
        } else {
            if ($value == $needle) {
                return true;
            }
        }
    }   
    return false;
}

$find = array('A', 'BA', 'CAA', 'DAAA');

foreach($find as $needle) {
    if (array_find($needle, $haystack)) {
        echo $needle, " found".PHP_EOL;
    } else {
        echo $needle, " not found".PHP_EOL;
    }
}

Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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: A found BA found CAA found DAAA found
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/gsCu3 on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/gsCu3 on line 9
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: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/gsCu3 on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/gsCu3 on line 9
Process exited with code 255.

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