Online PHP editor | output for QNTO7

@ 2015-05-04T19:38:33Z

<?php

$psr4 = array(
    'my\\first\\ns\\prefix\\' => 0,
    'my\\second\\ns\\prefix\\' => 0,
    'my\\third\\ns\prefix' => 0,
);
foreach ($psr4 as $prefix => &$v) {
    $v = strlen($prefix);
}

$classes = array(
    'my\\third\\ns\\prefix\\subns\\class',
    'another\\ns\\prefix\\subns\\class',
);

for ($i = 0; $i < 10000; $i++) {
    foreach ($classes as $class) {
        foreach ($psr4 as $prefix => $length) {
            if (!strncmp($class, $prefix, $length)) {
                //echo "$class -> $prefix\n";
                break;
            }
        }
    }
}

Output for 5.0.0 - 5.0.5, 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/QNTO7 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/QNTO7 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/QNTO7 on line 8
Process exited with code 255.

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