3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function get_flags($uid = NULL, $set=TRUE) { $flags = $this->get_metadata('flags', $uid); if($flags == FALSE){ return FALSE; } if($set){$this->flags = $flags;} return $flags; } function get_metadata($field, $uid) { return $field.$uid; } function __construct() { var_dump($this->get_flags(1, false)); } } $this = new foo; var_dump($this);

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)
5.4.250.0090.04312.38
5.4.240.0150.04112.38
5.4.230.0100.04712.37
5.4.220.0120.05012.37
5.4.210.0100.04712.37
5.4.200.0070.04012.37
5.4.190.0100.04112.37
5.4.180.0070.03712.37
5.4.170.0050.03812.38
5.4.160.0080.03612.37
5.4.150.0050.04012.37
5.4.140.0080.04712.05
5.4.130.0100.03912.04
5.4.120.0080.04012.00
5.4.110.0090.04112.00
5.4.100.0140.04712.00
5.4.90.0090.04112.00
5.4.80.0050.04312.00
5.4.70.0060.03711.99
5.4.60.0060.04511.99
5.4.50.0060.04011.99
5.4.40.0060.03611.98
5.4.30.0060.03711.98
5.4.20.0060.03711.98
5.4.10.0100.03511.98
5.4.00.0050.03811.47
5.3.280.0080.04012.71
5.3.270.0070.04312.72
5.3.260.0080.04012.72
5.3.250.0070.03912.72
5.3.240.0090.03712.72
5.3.230.0080.03912.71
5.3.220.0090.04212.68
5.3.210.0070.04512.68
5.3.200.0090.04512.68
5.3.190.0100.04012.68
5.3.180.0060.04512.67
5.3.170.0120.04312.67
5.3.160.0090.04112.67
5.3.150.0090.04212.67
5.3.140.0070.04112.66
5.3.130.0070.04012.66
5.3.120.0070.04012.66
5.3.110.0080.04112.66
5.3.100.0080.03612.12
5.3.90.0060.03912.09
5.3.80.0060.04312.08
5.3.70.0080.04112.08
5.3.60.0080.04012.06
5.3.50.0070.04012.01
5.3.40.0090.03812.01
5.3.30.0040.03811.97
5.3.20.0090.03611.75
5.3.10.0050.03611.71
5.3.00.0080.04011.70

preferences:
149.02 ms | 1394 KiB | 7 Q