3v4l.org

run code in 300+ PHP versions simultaneously

@ 2024-12-04T10:03:59Z

<?php

function prepareForOutput($content, $exclude=[])
    {
        $replacements = [
            "\r" => '\r',
            "\n" => '\n',
            "\t" => '\t',
            " "  => 'Â·',
        ];
        if (stripos(PHP_OS, 'WIN') === 0 && PHP_VERSION_ID < 70100) {
            // Do not replace spaces on old PHP on Windows.
            // Printing Unicode characters like 'Â·' to Windows console only works since PHP 7.1.
            unset($replacements[" "]);
        }

        $replacements = array_diff_key($replacements, array_fill_keys($exclude, true));

        // Colour runs of invisible characters.
        $match   = implode('', array_keys($replacements));
        $content = preg_replace("/([$match]+)/", "\033[30;1m$1\033[0m", $content);

        $content = strtr($content, $replacements);

        return $content;

    }
    
for ($i = 0; $i < 10000; $i++) {
    prepareForOutput('{echo 1;}', ["\r"]);
}

Output for 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
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/7NQUU on line 3
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/7NQUU on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/7NQUU on line 3
Process exited with code 255.

preferences:dark modelive previewkey bindings

45.64 ms | 409 KiB | 5 Q