3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a ='www.'; preg_match( '/[a-z0-9][a-z0-9\-]/', $a, $matches); echo $matches[1]; // 1234

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)
8.3.60.0090.00618.80
8.3.50.0130.00522.11
8.3.40.0070.00718.90
8.3.30.0110.00320.17
8.3.20.0040.00420.16
8.3.10.0040.00421.80
8.3.00.0040.00422.43
8.2.180.0070.01316.88
8.2.170.0070.00722.96
8.2.160.0090.00619.37
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0030.00719.35
8.2.100.0060.00617.92
8.2.90.0040.00419.35
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0040.00418.05
8.2.50.0000.00818.10
8.2.40.0080.00020.59
8.2.30.0000.00718.07
8.2.20.0030.00517.85
8.2.10.0040.00417.75
8.2.00.0100.00017.81
8.1.280.0110.00625.92
8.1.270.0080.00024.66
8.1.260.0030.00526.35
8.1.250.0000.00928.09
8.1.240.0060.00321.43
8.1.230.0040.00817.82
8.1.220.0090.00017.74
8.1.210.0060.00318.77
8.1.200.0100.00017.48
8.1.190.0090.00017.35
8.1.180.0050.00318.10
8.1.170.0080.00018.63
8.1.160.0050.00322.08
8.1.150.0040.00418.72
8.1.140.0000.00717.54
8.1.130.0040.00417.84
8.1.120.0050.00217.59
8.1.110.0000.00817.54
8.1.100.0000.00717.45
8.1.90.0070.00017.56
8.1.80.0040.00417.53
8.1.70.0070.00017.42
8.1.60.0030.00517.71
8.1.50.0050.00317.53
8.1.40.0000.00717.59
8.1.30.0080.00017.75
8.1.20.0000.00817.73
8.1.10.0000.00717.61
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0070.00018.55
8.0.270.0030.00316.98
8.0.260.0000.00616.95
8.0.250.0000.00717.15
8.0.240.0030.00917.09
8.0.230.0000.00717.08
8.0.220.0030.00317.01
8.0.210.0030.00317.10
8.0.200.0030.00317.11
8.0.190.0040.00417.09
8.0.180.0050.00317.04
8.0.170.0070.00016.93
8.0.160.0000.00717.08
8.0.150.0020.00516.93
8.0.140.0080.00017.01
8.0.130.0000.00713.52
8.0.120.0040.00416.86
8.0.110.0040.00416.94
8.0.100.0030.00417.07
8.0.90.0050.00216.93
8.0.80.0000.01916.97
8.0.70.0000.00716.90
8.0.60.0040.00416.95
8.0.50.0030.00517.07
8.0.30.0120.00817.20
8.0.20.0090.01217.48
8.0.10.0080.00017.15
8.0.00.0100.00916.87
7.4.330.0000.00515.00
7.4.320.0000.00716.64
7.4.300.0030.00316.66
7.4.290.0030.00316.64
7.4.280.0030.00316.77
7.4.270.0000.00716.75
7.4.260.0000.00716.64
7.4.250.0040.00416.66
7.4.240.0010.00616.74
7.4.230.0050.00316.68
7.4.220.0110.01516.86
7.4.210.0050.01116.69
7.4.200.0000.00816.45
7.4.190.0050.00316.84
7.4.160.0080.00816.91
7.4.150.0130.01017.40
7.4.140.0060.01317.86
7.4.130.0110.00616.52
7.4.120.0130.00316.71
7.4.110.0100.01316.84
7.4.100.0110.00916.86
7.4.90.0100.01016.57
7.4.80.0090.00919.39
7.4.70.0000.01816.59
7.4.60.0070.01416.54
7.4.50.0030.00516.74
7.4.40.0080.00822.77
7.4.30.0080.01216.61
7.4.00.0030.01315.00
7.3.330.0020.00313.26
7.3.320.0050.00013.39
7.3.310.0030.00316.55
7.3.300.0070.00016.37
7.3.290.0030.01016.38
7.3.280.0030.01316.47
7.3.270.0130.00417.40
7.3.260.0140.01116.54
7.3.250.0110.00616.39
7.3.240.0120.00916.45
7.3.230.0160.00316.57
7.3.210.0150.00316.52
7.3.200.0110.00519.39
7.3.190.0150.00716.43
7.3.180.0120.00316.47
7.3.170.0130.00916.78
7.3.160.0060.00916.60
7.3.120.0000.01314.99
7.2.330.0110.00616.55
7.2.320.0110.00616.64
7.2.310.0060.00916.78
7.2.300.0160.00016.92
7.2.290.0080.00816.71
7.2.00.0110.00419.47
7.1.100.0030.01018.16
7.1.70.0000.01617.46
7.1.60.0090.01219.43
7.1.50.0140.00716.99
7.1.00.0030.07322.37
7.0.200.0000.00716.95
7.0.140.0000.07322.18
7.0.60.0000.09319.93
7.0.50.0100.07317.82
7.0.40.0070.08320.06
7.0.30.0100.05320.15
7.0.20.0330.07020.05
7.0.10.0170.08020.40
7.0.00.0200.07020.21
5.6.280.0000.07720.77
5.6.210.0070.08720.71
5.6.200.0030.09318.12
5.6.190.0070.09720.60
5.6.180.0300.06720.43
5.6.170.0170.06320.41
5.6.160.0170.06720.39
5.6.150.0100.08018.22
5.6.140.0030.08718.20
5.6.130.0100.04718.11
5.6.120.0030.04020.95
5.6.110.0000.04321.00
5.6.100.0000.07320.88
5.6.90.0070.08321.04
5.6.80.0070.08320.53
5.6.70.3470.03020.38
5.5.350.0070.08320.26
5.5.340.0100.04317.98
5.5.330.0030.06720.36
5.5.320.0070.04320.29
5.5.310.0330.04720.32
5.5.300.0030.04318.02
5.5.290.0070.03717.96
5.5.280.0000.05020.76
5.5.270.0070.07320.86
5.5.260.0100.07320.92
5.5.250.0070.08720.66
5.5.240.0230.08320.02
5.4.450.0730.05719.14
5.4.440.1030.05719.57
5.4.430.0800.05319.14
5.4.420.0800.05019.46
5.4.410.1030.05319.00
5.4.400.0270.04718.66
5.4.390.0330.04718.63
5.4.380.0330.04718.61
5.4.370.0230.05018.48
5.4.360.0300.04018.40
5.4.350.0030.04711.97
5.4.340.0100.03711.97
5.4.320.0060.03612.45
5.4.310.0120.04312.45
5.4.300.0090.04812.45
5.4.290.0070.03612.45
5.4.280.0050.03612.35
5.4.270.0070.03912.34
5.4.260.0110.03612.34
5.4.250.0200.04018.87
5.4.240.0130.04319.01
5.4.230.0100.04718.71
5.4.220.0200.04018.85
5.4.210.0070.05018.78
5.4.200.0030.07018.98
5.4.190.0030.05318.67
5.4.180.0070.05018.86
5.4.170.0000.05718.88
5.4.160.0100.05018.73
5.4.150.0070.05318.86
5.4.140.0070.05016.24
5.4.130.0230.04316.26
5.4.120.0030.05016.27
5.4.110.0070.04716.34
5.4.100.0100.04716.47
5.4.90.0070.05016.34
5.4.80.0070.05016.13
5.4.70.0100.04316.21
5.4.60.0070.04716.45
5.4.50.0170.03716.38
5.4.40.0070.05016.43
5.4.30.0070.05016.30
5.4.20.0070.04716.12
5.4.10.0070.05016.44
5.4.00.0030.05015.71
5.3.290.0070.03812.80
5.3.280.0070.05014.63
5.3.270.0070.05014.60
5.3.260.0070.05314.75
5.3.250.0100.04714.31
5.3.240.0070.05014.60
5.3.230.0070.05014.61
5.3.220.0030.07314.65
5.3.210.0070.05314.58
5.3.200.0100.04714.57
5.3.190.0070.05014.42
5.3.180.0070.05014.56
5.3.170.0100.04314.57
5.3.160.0070.05014.57
5.3.150.0070.05314.39
5.3.140.0030.05014.42
5.3.130.0100.06314.55
5.3.120.0100.04714.69
5.3.110.0030.05314.55
5.3.100.0030.05014.01
5.3.90.0070.05013.71
5.3.80.0030.05013.80
5.3.70.0100.04313.88
5.3.60.0000.05714.15
5.3.50.0130.04013.96
5.3.40.0130.04313.86
5.3.30.0100.04013.77
5.3.20.0030.05013.56
5.3.10.0030.04713.42
5.3.00.0000.06013.57
5.2.170.0030.05311.16
5.2.160.0070.04011.04
5.2.150.0070.03711.25
5.2.140.0030.04711.15
5.2.130.0070.03711.09
5.2.120.0100.03311.00
5.2.110.0030.04011.20
5.2.100.0070.03710.98
5.2.90.0030.04011.12
5.2.80.0070.03711.00
5.2.70.0100.03710.99
5.2.60.0130.03311.09
5.2.50.0070.04011.03
5.2.40.0100.03311.02
5.2.30.0030.04010.98
5.2.20.0070.03711.07
5.2.10.0030.03710.92
5.2.00.0030.04710.88
5.1.60.0030.0379.76
5.1.50.0100.0279.94
5.1.40.0030.03310.03
5.1.30.0000.04010.41
5.1.20.0000.04010.23
5.1.10.0030.03310.30
5.1.00.0100.02710.21
5.0.50.0000.0308.47
5.0.40.0070.0238.30
5.0.30.0000.0438.15
5.0.20.0000.0308.22
5.0.10.0070.0238.19
5.0.00.0000.0438.16
4.4.90.0000.0277.33
4.4.80.0000.0207.33
4.4.70.0030.0207.33
4.4.60.0000.0237.33
4.4.50.0070.0177.33
4.4.40.0030.0307.33
4.4.30.0030.0207.33
4.4.20.0030.0207.33
4.4.10.0030.0207.33
4.4.00.0030.0307.33
4.3.110.0000.0237.33
4.3.100.0000.0207.31
4.3.90.0000.0207.28
4.3.80.0000.0337.27
4.3.70.0030.0277.27
4.3.60.0030.0237.27
4.3.50.0000.0207.27
4.3.40.0030.0277.27
4.3.30.0030.0207.27
4.3.20.0000.0237.27
4.3.10.0000.0307.27
4.3.00.0170.0176.68

preferences:
57.21 ms | 400 KiB | 5 Q