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@ 2013-05-14T10:37:36Z

<?php

$vc = version_compare('5.4', PHP_VERSION);

if (1 === $vc) {
    echo 'running 5.3 legacy code';
} else {
    echo 'running 5.4 code'; var_dump($vc);
}

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

36.72 ms | 402 KiB | 5 Q