3v4l.org

run code in 300+ PHP versions simultaneously
<?php class User { public $username; public $password; public $loginsToday; public function __sleep() { // (Clean up; close database handles, etc) return array_keys( get_object_vars( $this ) ); } public function __wakeup() { echo “Yawn... what’s for breakfast?<br />”; } } $user = new User; $userString = serialize( $user ); $obj = unserialize( $userString );

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.160.0070.05019.08
5.4.150.0070.06319.01
5.4.140.0100.03016.30
5.4.130.0000.03716.32
5.4.120.0030.03316.23
5.4.110.0130.07016.48
5.4.100.0100.07016.43
5.4.90.0100.06316.33
5.4.80.0100.07316.24
5.4.70.0070.06716.58
5.4.60.0030.04716.57
5.4.50.0130.06316.38
5.4.40.0030.04316.36
5.4.30.0170.06716.43
5.4.20.0000.07716.52
5.4.10.0070.07316.30
5.4.00.0070.07315.68
5.3.260.0170.07014.66
5.3.250.0070.07314.82
5.3.240.0000.04714.63
5.3.230.0030.04314.67
5.3.220.0070.07714.64
5.3.210.0130.02714.59
5.3.200.0100.06714.60
5.3.190.0030.04714.64
5.3.180.0070.03314.53
5.3.170.0070.05014.60
5.3.160.0070.06014.53
5.3.150.0130.07014.55
5.3.140.0030.06014.77
5.3.130.0070.08014.60
5.3.120.0030.06714.76
5.3.110.0030.04714.59
5.3.100.0070.07313.85
5.3.90.0030.07714.12
5.3.80.0070.05314.05
5.3.70.0100.07013.91
5.3.60.0070.06014.07
5.3.50.0130.06713.95
5.3.40.0070.04313.99
5.3.30.0100.07314.01
5.3.20.0000.06713.79
5.3.10.0130.06013.70
5.3.00.0030.07713.73

preferences:
138.51 ms | 1394 KiB | 7 Q