3v4l.org

run code in 300+ PHP versions simultaneously
<?php class subclass{ public function __construct(){ echo 'sub_class'; } } class baseclass{ public function __construct(){ $this = new subclass(); } } $v = new baseclass(); echo get_class($v);

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)
5.5.00.0070.08017.21
5.4.170.0100.07319.13
5.4.160.0030.03718.87
5.4.150.0070.07319.25
5.4.140.0030.03716.25
5.4.130.0070.06716.54
5.4.120.0200.04316.46
5.4.110.0070.05016.30
5.4.100.0030.06316.46
5.4.90.0070.07016.42
5.4.80.0170.05716.54
5.4.70.0100.04316.39
5.4.60.0030.07316.36
5.4.50.0030.06316.45
5.4.40.0100.06016.38
5.4.30.0070.05716.41
5.4.20.0100.04716.56
5.4.10.0030.03716.45
5.4.00.0030.07015.70
5.3.270.0000.04314.64
5.3.260.0070.07314.84
5.3.250.0030.05014.67
5.3.240.0070.03714.71
5.3.230.0070.08014.63
5.3.220.0070.03714.78
5.3.210.0030.08014.61
5.3.200.0000.04014.59
5.3.190.0100.06014.55
5.3.180.0170.03314.57
5.3.170.0030.07314.66
5.3.160.0100.07014.56
5.3.150.0070.08014.53
5.3.140.0030.04314.66
5.3.130.0030.04314.50
5.3.120.0100.07014.56
5.3.110.0100.07314.40
5.3.100.0030.04314.04
5.3.90.0000.04014.05
5.3.80.0130.07313.91
5.3.70.0100.05714.06
5.3.60.0000.04313.99
5.3.50.0070.07313.85
5.3.40.0100.07013.80
5.3.30.0000.08013.90
5.3.20.0030.06713.71
5.3.10.0100.05713.66
5.3.00.0030.05013.69

preferences:
142.99 ms | 1394 KiB | 7 Q