Online PHP editor | output for IKSbM

@ 2015-11-20T12:26:04Z

<?php
$replacer = function ($scheme, $url) {
    return preg_replace('/^https?/', $scheme, $url);
};

$originals = [
    'http://fake.url',
    'https://fake.url/ssl',
];

$schemes = ['http', 'https'];

foreach ($schemes as $iteration => $scheme) {
    foreach ($originals as $urlToReplace) {
        echo "\n#$iteration";
        echo "\nScheme: $scheme";
        echo "\nOriginal URL: $urlToReplace";
        $newUrl = replacer($scheme, $urlToReplace);
        echo "\New URL: $newUrl";
    }
}

Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: #0 Scheme: http Original URL: http://fake.url Fatal error: Uncaught Error: Call to undefined function replacer() in /in/IKSbM:18 Stack trace: #0 {main} thrown in /in/IKSbM on line 18
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: #0 Scheme: http Original URL: http://fake.url Fatal error: Call to undefined function replacer() in /in/IKSbM on line 18
Process exited with code 255.

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