Online PHP editor | output for L40nl

@ 2014-12-14T06:53:13Z

<?php
$hooks = ['before' => [], 'after' => []];

function echoSomething($something)
    {
    global $hooks;
    array_walk($hooks['before'], function($function)use($something)
        { call_user_func($function, $something); });

    echo $something;

    array_walk($hooks['after'], function($function)use($something)
        { call_user_func($function, $something); });
    }

echoSomething('Hello, world');
echo PHP_EOL, '//-------------------------', PHP_EOL;

$hooks['before'][] = function()
    { echo '<b>'; };
$hooks['after'][] = function()
    { echo '</b>'; };

echoSomething('Hello, world');
echo PHP_EOL, '//-------------------------', PHP_EOL;

Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: Hello, world //------------------------- <b>Hello, world</b> //-------------------------
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/L40nl on line 2
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/L40nl on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/L40nl on line 2
Process exited with code 255.

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