3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datos= "%hola que tal/ todo good?"; echo substr($datos, 1,12);

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)
8.5.00.0180.00918.53
8.4.150.0210.00516.64
8.4.140.0260.00917.60
8.4.130.0150.00917.71
8.4.120.0230.00818.48
8.4.110.0260.00817.71
8.4.100.0240.00717.67
8.4.90.0250.00618.01
8.4.80.0230.00717.53
8.4.70.0230.00717.81
8.4.60.0250.00817.57
8.4.50.0260.00617.96
8.4.40.0270.00717.40
8.4.30.0260.00817.46
8.4.20.0230.00717.38
8.4.10.0210.00517.66
8.3.280.0270.00418.35
8.3.270.0220.00916.85
8.3.260.0230.00516.56
8.3.250.0200.00516.75
8.3.240.0210.00516.57
8.3.230.0220.00516.50
8.3.220.0240.00517.16
8.3.210.0230.00616.75
8.3.200.0250.00516.56
8.3.190.0250.00416.69
8.3.180.0240.00716.70
8.3.170.0230.00516.51
8.3.160.0240.00716.95
8.3.150.0240.00616.63
8.3.140.0230.00616.55
8.3.130.0210.00516.74
8.3.120.0180.00716.87
8.3.110.0200.00516.64
8.3.100.0190.00517.44
8.3.90.0220.00717.92
8.3.80.0230.00516.80
8.3.70.0260.00516.62
8.3.60.0230.00616.77
8.3.50.0260.00516.91
8.3.40.0270.00617.72
8.3.30.0190.00617.57
8.3.20.0190.00618.19
8.3.10.0200.00618.28
8.3.00.0160.00618.76
8.2.290.0200.00517.16
8.2.280.0170.00616.81
8.2.270.0190.00616.61
8.2.260.0190.00616.86
8.2.250.0190.00416.67
8.2.240.0180.00516.86
8.2.230.0170.00617.02
8.2.220.0200.00619.19
8.2.210.0180.00617.78
8.2.200.0220.00516.59
8.2.190.0220.00516.77
8.2.180.0220.00517.62
8.2.170.0220.00717.79
8.2.160.0220.00618.27
8.2.150.0200.00518.54
8.2.140.0200.00518.39
8.2.130.0250.00418.47
8.2.120.0230.00717.95
8.2.110.0220.00617.89
8.2.100.0230.00817.89
8.2.90.0230.00717.62
8.2.80.0220.00517.34
8.2.70.0260.00617.36
8.2.60.0270.00617.35
8.2.50.0270.00717.33
8.2.40.0280.00517.44
8.2.30.0220.00817.44
8.2.20.0220.00517.49
8.2.10.0200.00417.49
8.2.00.0220.00517.39
8.1.330.0180.00617.02
8.1.320.0220.00716.26
8.1.310.0210.00716.54
8.1.300.0220.00616.46
8.1.290.0230.00716.67
8.1.280.0230.00617.49
8.1.270.0200.00618.10
8.1.260.0210.00618.42
8.1.250.0200.00618.63
8.1.240.0180.00517.48
8.1.230.0190.00517.57
8.1.220.0210.00717.17
8.1.210.0210.00717.20
8.1.200.0230.00717.08
8.1.190.0210.00517.05
8.1.180.0210.00717.08
8.1.170.0240.00717.12
8.1.160.0230.00517.21
8.1.150.0250.00617.07
8.1.140.0240.00717.21
8.1.130.0220.00617.11
8.1.120.0230.00517.27
8.1.110.0220.00617.20
8.1.100.0240.00617.17
8.1.90.0240.00617.17
8.1.80.0220.00617.10
8.1.70.0210.00617.20
8.1.60.0260.00517.35
8.1.50.0180.00617.32
8.1.40.0190.00517.27
8.1.30.0200.00517.34
8.1.20.0190.00517.24
8.1.10.0150.00517.30
8.1.00.0200.00617.22
8.0.300.0230.00616.65
8.0.290.0220.00616.68
8.0.280.0210.00716.74
8.0.270.0210.00616.65
8.0.260.0220.00616.68
8.0.250.0200.00716.70
8.0.240.0230.00616.71
8.0.230.0220.00616.61
8.0.220.0220.00616.63
8.0.210.0220.00616.67
8.0.200.0210.00516.75
8.0.190.0200.00616.69
8.0.180.0210.00716.66
8.0.170.0200.00616.70
8.0.160.0210.00516.72
8.0.150.0240.00516.56
8.0.140.0190.00516.62
8.0.130.0210.00516.60
8.0.120.0230.00616.64
8.0.110.0250.00516.61
8.0.100.0230.00616.60
8.0.90.0220.00616.53
8.0.80.0220.00616.60
8.0.70.0250.00616.66
8.0.60.0240.00616.67
8.0.50.0220.00616.59
8.0.30.0230.00616.69
8.0.20.0230.00516.68
8.0.10.0210.00516.76
7.4.330.0220.00516.46
7.4.320.0200.00616.41
7.4.300.0200.00616.39
7.4.290.0200.00616.42
7.4.280.0190.00516.35
7.4.270.0220.00416.37
7.4.260.0190.00516.44
7.4.250.0190.00516.49
7.4.240.0180.00516.43
7.4.230.0180.00516.45
7.4.220.0200.00516.44
7.4.210.0190.00516.34
7.4.200.0170.00616.42
7.4.190.0170.00516.41
7.4.180.0190.00516.44
7.4.160.0190.00616.49
7.4.150.0180.00416.43
7.4.140.0170.00516.33
7.4.130.0200.00516.33
7.4.120.0200.00516.34
7.4.110.0190.00616.35
7.4.100.0220.00616.38
7.4.90.0210.00416.38
7.4.80.0200.00416.38
7.4.70.0170.00616.41
7.4.60.0160.00616.42
7.4.50.0230.00616.43
7.4.40.0200.00516.32
7.4.30.0170.00616.46
7.4.20.0220.00516.40
7.4.10.0210.00616.36
7.4.00.0240.00516.41

preferences:
30.08 ms | 403 KiB | 5 Q