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@ 2014-09-22T12:31:41Z

<?php

var_dump(defined('HHVM_VERSION'));
var_dump(defined('HHVM_VERSION_ID'));
var_dump(is_int(HHVM_VERSION_ID));

// test HHVM_VERSION and HHVM_VERSION_ID matches
$version = explode('.', PHP_VERSION);
$version_int = $version[0] * 10000 + $version[1] * 100 + $version[2];
echo $version_int;

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
explode: documentation ( source)

preferences:dark modelive preview

50.44 ms | 402 KiB | 5 Q