Online PHP editor | output for hg3Xk

@ 2014-08-28T15:19:57Z

<?php

function var_import($var)
{
    if (strcasecmp($var, 'null') === 0) {
        return null;
    }
    if (strcasecmp($var, 'true') === 0) {
        return true;
    }
    if (strcasecmp($var, 'false') === 0) {
        return false;
    }
    if ($var === ((string) (int) $var)) {
        return (int) $var;
    }
    if ($var === ((string) (float) $var)) {
        return (float) $var;
    }
    return (string) $var;
}

foreach ([
    '1',
    '2.3',
    'true',
    'FALSE',
    'Null',
    'foobar',
] as $var) {
    ob_start();
    var_dump(var_import($var));
    echo sprintf('"%s" => %s', $var, trim(ob_get_clean())) . PHP_EOL;
}

Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 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: "1" => int(1) "2.3" => float(2.3) "true" => bool(true) "FALSE" => bool(false) "Null" => NULL "foobar" => string(6) "foobar"
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/hg3Xk on line 23
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/hg3Xk on line 23
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/hg3Xk on line 23
Process exited with code 255.

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