3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array('a','b',' a'); array_walk(, create_function('&$val', '$val = trim($val);')); print_r($a);

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)
5.6.80.0030.05320.32
5.5.240.0070.07320.15
5.4.400.0230.05018.74
5.4.390.0270.04718.70
5.4.380.0230.05018.55
5.4.370.0170.08018.60
5.4.360.0170.05718.81
5.4.350.0130.06018.45
5.4.340.0070.06718.78
5.4.320.0170.05718.54
5.4.310.0130.06018.76
5.4.300.0130.06318.55
5.4.290.0130.05718.77
5.4.280.0230.05018.53
5.4.270.0230.05018.49
5.4.260.0130.06718.57
5.4.250.0170.05718.67
5.4.240.0070.07018.71
5.4.230.0130.06018.69
5.4.220.0100.06718.70
5.4.210.0130.06018.71
5.4.200.0130.06016.64
5.4.190.0130.06018.71
5.4.180.0170.06318.74
5.4.170.0230.05318.74
5.4.160.0300.06018.68
5.4.150.0200.05018.70
5.4.140.0070.06016.32
5.4.130.0200.04716.13
5.4.120.0130.05716.27
5.4.110.0100.05316.31
5.4.100.0200.04716.17
5.4.90.0230.05016.24
5.4.80.0170.05016.29
5.4.70.0230.06016.30
5.4.60.0400.04016.24
5.4.50.0100.05716.21
5.4.40.0170.05316.25
5.4.30.0170.05716.23
5.4.20.0200.04716.15
5.4.10.0130.05316.28
5.4.00.0200.04315.67
5.3.290.0170.05314.65
5.3.280.0170.05314.57
5.3.270.0270.05314.57
5.3.260.0270.04314.48
5.3.250.0170.05714.52
5.3.240.0100.06014.67
5.3.230.0170.05314.68
5.3.220.0100.06014.51
5.3.210.0270.04714.57
5.3.200.0270.04714.65
5.3.190.0200.06314.57
5.3.180.0230.04314.45
5.3.170.0100.06014.56
5.3.160.0170.05314.47
5.3.150.0170.05314.51
5.3.140.0070.06014.48
5.3.130.0130.06314.62
5.3.120.0200.05714.53
5.3.110.0170.08014.52
5.3.100.0130.06013.96
5.3.90.0230.04714.07
5.3.80.0200.05713.96
5.3.70.0130.05313.93
5.3.60.0230.04714.04
5.3.50.0200.05013.94
5.3.40.0300.04013.92
5.3.30.0170.04713.82
5.3.20.0170.05013.62
5.3.10.0230.04713.58
5.3.00.0200.04713.71
5.2.170.0100.04311.20
5.2.160.0200.03711.06
5.2.150.0170.04311.06
5.2.140.0170.04711.20
5.2.130.0170.04011.05
5.2.120.0170.03311.07
5.2.110.0070.04711.02
5.2.100.0070.04711.14
5.2.90.0100.04311.13
5.2.80.0200.04011.15
5.2.70.0200.04011.13
5.2.60.0200.03710.96
5.2.50.0100.04311.07
5.2.40.0130.04010.91
5.2.30.0130.04010.94
5.2.20.0230.03010.96
5.2.10.0130.04010.91
5.2.00.0230.03010.69
5.1.60.0170.0379.95
5.1.50.0130.03710.05
5.1.40.0230.0239.95
5.1.30.0030.04310.32
5.1.20.0100.04010.41
5.1.10.0200.02710.12
5.1.00.0070.04010.12
5.0.50.0070.0308.64
5.0.40.0030.0308.38
5.0.30.0070.0438.28
5.0.20.0130.0208.30
5.0.10.0100.0278.29
5.0.00.0130.0378.25
4.4.90.0030.0305.89
4.4.80.0070.0205.88
4.4.70.0100.0175.90
4.4.60.0030.0275.89
4.4.50.0070.0205.82
4.4.40.0030.0375.86
4.4.30.0030.0235.90
4.4.20.0030.0236.00
4.4.10.0030.0235.96
4.4.00.0030.0405.89
4.3.110.0070.0205.81
4.3.100.0070.0275.82
4.3.90.0100.0175.79
4.3.80.0030.0375.78
4.3.70.0000.0275.79
4.3.60.0000.0305.78
4.3.50.0070.0235.91
4.3.40.0030.0405.76
4.3.30.0030.0234.55
4.3.20.0100.0174.60
4.3.10.0000.0274.59
4.3.00.0000.0237.27

preferences:
144.35 ms | 1394 KiB | 7 Q