3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Hello5World'; echo preg_replace('/[^a-z].*/i', '', $string);

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)
8.4.120.0120.00520.68
8.4.110.0110.00818.96
8.4.100.0100.01117.84
8.4.90.0140.00620.39
8.4.80.0100.01018.13
8.4.70.0120.00717.95
8.4.60.0090.01217.96
8.4.50.0120.00818.41
8.4.40.0120.00918.13
8.4.30.0040.01422.20
8.4.20.0150.00617.92
8.4.10.0030.00619.81
8.3.250.0090.00718.67
8.3.240.0140.00516.67
8.3.230.0090.00616.79
8.3.220.0100.00817.11
8.3.210.0070.00816.75
8.3.200.0120.00816.68
8.3.190.0080.00516.64
8.3.180.0100.00816.63
8.3.170.0120.00318.95
8.3.160.0120.00616.79
8.3.150.0160.00318.79
8.3.140.0070.00316.93
8.3.130.0060.00318.48
8.3.120.0050.00520.66
8.3.110.0040.00420.94
8.3.100.0080.00020.21
8.3.90.0080.00018.46
8.3.80.0060.00318.39
8.3.70.0110.00816.63
8.3.60.0150.00016.73
8.3.50.0070.01116.77
8.3.40.0140.00020.17
8.3.30.0000.01421.73
8.3.20.0080.00024.18
8.3.10.0050.00324.66
8.3.00.0070.00026.16
8.2.290.0110.00920.43
8.2.280.0140.00518.39
8.2.270.0070.01017.10
8.2.260.0050.00318.29
8.2.250.0040.00416.66
8.2.240.0090.00016.97
8.2.230.0030.00622.58
8.2.220.0080.00424.06
8.2.210.0080.00026.77
8.2.200.0000.00816.63
8.2.190.0120.00316.63
8.2.180.0140.00416.61
8.2.170.0120.00919.16
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.87
8.2.110.0120.00922.24
8.2.100.0100.01020.70
8.2.90.0160.00620.61
8.2.80.0130.00320.57
8.2.70.0140.00720.49
8.2.60.0000.00919.02
8.2.50.0030.01919.03
8.2.40.0090.01218.65
8.2.30.0170.00318.79
8.2.20.0220.00018.82
8.2.10.0110.01119.13
8.2.00.0140.00719.13
8.1.330.0140.00518.51
8.1.320.0080.01116.32
8.1.310.0110.00716.92
8.1.300.0040.00420.07
8.1.290.0030.00618.88
8.1.280.0120.00625.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.01318.69
8.1.230.0120.00618.62
8.1.220.0110.01118.57
8.1.210.0150.00619.95
8.1.200.0160.00718.56
8.1.190.0150.00618.43
8.1.180.0070.01118.41
8.1.170.0100.01018.66
8.1.160.0140.00318.60
8.1.150.0100.01320.73
8.1.140.0070.01718.47
8.1.130.0180.00318.44
8.1.120.0140.01018.54
8.1.110.0100.00718.55
8.1.100.0160.00618.73
8.1.90.0100.00718.52
8.1.80.0140.00418.63
8.1.70.0030.00718.75
8.1.60.0130.01018.82
8.1.50.0180.00918.68
8.1.40.0070.01418.80
8.1.30.0100.00718.95
8.1.20.0040.00718.77
8.1.10.0030.00618.77
8.1.00.0120.00318.64
8.0.300.0050.00519.80
8.0.290.0070.00319.81
8.0.280.0030.00619.73
8.0.270.0030.00617.94
8.0.260.0060.00318.09
8.0.250.0090.00018.02
8.0.240.0060.00318.01
8.0.230.0060.00318.12
8.0.220.0060.00317.83
8.0.210.0090.00017.90
8.0.200.0000.01017.84
8.0.190.0000.00917.84
8.0.180.0060.00317.96
8.0.170.0000.00917.99
8.0.160.0060.00317.89
8.0.150.0060.00317.72
8.0.140.0100.00017.96
8.0.130.0060.00317.83
8.0.120.0050.00517.89
8.0.110.0030.00718.00
8.0.100.0100.00018.07
8.0.90.0060.00317.83
8.0.80.0100.00017.93
8.0.70.0030.00618.00
8.0.60.0060.00317.82
8.0.50.0040.00417.87
8.0.30.0030.00617.96
8.0.20.0060.00317.88
8.0.10.0060.00319.86

preferences:
29.57 ms | 403 KiB | 5 Q