3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('#^[a-z][a-z-]{1,63}$#i', 'test');

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)
8.3.70.0110.01118.55
8.3.60.0060.00918.33
8.3.50.0080.00818.18
8.3.40.0150.00018.87
8.3.30.0090.00618.84
8.3.20.0050.00519.09
8.3.10.0030.00623.48
8.3.00.0000.00820.64
8.2.180.0060.01218.50
8.2.170.0110.00422.96
8.2.160.0030.01020.48
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00417.91
8.2.120.0030.00526.35
8.2.110.0070.00321.04
8.2.100.0080.00417.99
8.2.90.0040.00417.75
8.2.80.0080.00017.97
8.2.70.0040.00417.90
8.2.60.0050.00318.09
8.2.50.0040.00418.10
8.2.40.0040.00419.36
8.2.30.0030.00619.11
8.2.20.0000.00717.93
8.2.10.0000.00717.91
8.2.00.0060.00317.54
8.1.280.0100.00725.92
8.1.270.0040.00418.93
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00722.19
8.1.230.0110.00418.60
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0080.00018.74
8.1.160.0030.00618.64
8.1.150.0040.00418.77
8.1.140.0040.00422.05
8.1.130.0030.00322.08
8.1.120.0000.00817.46
8.1.110.0040.00417.43
8.1.100.0030.00317.39
8.1.90.0040.00417.52
8.1.80.0040.00417.45
8.1.70.0070.00017.43
8.1.60.0040.00417.57
8.1.50.0000.00817.51
8.1.40.0000.00817.54
8.1.30.0040.00417.56
8.1.20.0000.00917.64
8.1.10.0000.00817.47
8.1.00.0040.00417.40
8.0.300.0070.00018.77
8.0.290.0060.00316.63
8.0.280.0030.00318.39
8.0.270.0030.00317.21
8.0.260.0060.00018.38
8.0.250.0000.00717.02
8.0.240.0040.00417.06
8.0.230.0000.00716.97
8.0.220.0000.00816.84
8.0.210.0000.00716.91
8.0.200.0000.00716.96
8.0.190.0040.00416.90
8.0.180.0080.00016.97
8.0.170.0030.00616.91
8.0.160.0040.00416.81
8.0.150.0040.00416.73
8.0.140.0070.00016.75
8.0.130.0060.00013.35
8.0.120.0000.00916.82
8.0.110.0000.00716.74
8.0.100.0080.00016.92
8.0.90.0000.00716.89
8.0.80.0050.01116.91
8.0.70.0040.00416.99
8.0.60.0060.00316.93
8.0.50.0020.00516.96
8.0.30.0150.00417.04
8.0.20.0070.01317.40
8.0.10.0040.00416.99
8.0.00.0110.00916.90
7.4.330.0030.00315.55
7.4.320.0070.00016.62
7.4.300.0030.00316.64
7.4.290.0030.00316.66
7.4.280.0100.00016.67
7.4.270.0030.00316.66
7.4.260.0000.00716.65
7.4.250.0040.00416.45
7.4.240.0020.00516.53
7.4.230.0000.00716.50
7.4.220.0040.00416.69
7.4.210.0050.01016.64
7.4.200.0070.00016.70
7.4.160.0100.01016.65
7.4.140.0120.00617.86
7.4.130.0110.01216.63
7.4.120.0120.00816.56
7.4.110.0140.00716.69
7.4.100.0110.00616.77
7.4.90.0100.00716.63
7.4.80.0120.00619.39
7.4.70.0090.00616.46
7.4.60.0100.00616.34
7.4.50.0030.01416.46
7.4.40.0060.01116.64
7.4.00.0050.01215.04
7.3.330.0050.00013.11
7.3.320.0060.00013.25
7.3.310.0060.00316.12
7.3.300.0000.00616.19
7.3.290.0030.00316.30
7.3.280.0070.01216.28
7.3.260.0130.00716.44
7.3.240.0050.01216.40
7.3.230.0090.00916.63
7.3.210.0090.00916.56
7.3.200.0030.01616.64
7.3.190.0070.01716.70
7.3.180.0030.01416.34
7.3.170.0130.01116.46
7.3.160.0060.01316.38
7.3.120.0090.00914.81
7.3.110.0160.00015.07
7.3.100.0060.01014.66
7.3.90.0070.00714.91
7.3.80.0070.00714.70
7.3.70.0000.01014.87
7.3.60.0080.00414.75
7.3.50.0000.00814.68
7.3.40.0070.00714.90
7.3.30.0100.00714.89
7.3.20.0060.00616.71
7.3.10.0070.00716.75
7.3.00.0060.00616.80
7.2.330.0090.00916.68
7.2.320.0130.01016.70
7.2.310.0160.00616.72
7.2.300.0060.01316.54
7.2.290.0100.00716.49
7.2.250.0070.01114.99
7.2.240.0070.01414.70
7.2.230.0070.01015.04
7.2.220.0000.00915.13
7.2.210.0070.00714.84
7.2.200.0090.00614.82
7.2.190.0070.00715.20
7.2.180.0070.01015.12
7.2.170.0030.00915.16
7.2.110.0360.00614.79
7.2.100.0850.00914.78
7.2.90.0550.00314.60
7.2.80.0840.01614.89
7.2.70.0810.00714.63
7.2.60.0990.01014.87
7.2.50.0800.00314.70
7.2.40.0610.01314.77
7.2.30.0680.00414.91
7.2.20.0840.00314.91
7.2.10.0430.00614.71
7.2.00.0890.01014.95
7.1.330.0100.00315.64
7.1.320.0070.00715.79
7.1.310.0140.00315.92
7.1.300.0100.00315.90
7.1.290.0040.01115.79
7.1.280.0070.01015.85
7.1.270.0000.01715.75
7.1.260.0060.00315.86
7.1.230.0670.01014.11
7.1.220.0510.01613.90
7.1.210.0710.00713.82
7.1.200.0670.00313.90
7.1.190.0580.01213.56
7.1.180.0800.00313.98
7.1.170.0650.01013.48
7.1.160.0750.00713.73
7.1.150.0370.01214.04
7.1.140.0500.01113.64
7.1.130.0410.00314.04
7.1.120.0920.00613.63
7.1.110.0270.01013.99
7.1.100.0760.01013.74
7.1.90.1220.00713.71
7.1.80.0890.00714.07
7.1.70.0710.00913.76
7.1.60.0370.00631.71
7.1.50.0440.01031.58
7.1.40.1220.01031.82
7.1.30.1180.00631.76
7.1.20.1150.01031.89
7.1.10.1460.00613.81
7.1.00.0690.00413.82
5.6.380.0120.00414.17

preferences:
53.96 ms | 401 KiB | 5 Q