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@ 2017-10-07T07:50:24Z

<?php
    $a = ['7.2.0-RC2', '7.2.0', '7.2.1', '7.1.0-RC2', '7.1.0', '7.1.5', '5.6.3'];
    foreach ($a as $version) {
        var_dump(
            version_compare($a, '7.2.0', '<'),
            version_compare($a, '7.1', '>')
        );
    }
?>

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
version_compare: documentation ( source)

preferences:dark modelive preview

53.65 ms | 402 KiB | 5 Q