3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("/^(\w+)(-\w+)?$/", "about-us-office-",$matches); print_r($matches); echo "\n"; preg_match("%^(\w+)\-\w+?$%", "about-us",$matches); print_r($matches);

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)
8.3.60.0110.00418.28
8.3.50.0140.00721.27
8.3.40.0040.01118.79
8.3.30.0140.00018.95
8.3.20.0050.00220.20
8.3.10.0040.00421.86
8.3.00.0080.00019.08
8.2.180.0120.00318.42
8.2.170.0110.00422.96
8.2.160.0090.00920.57
8.2.150.0110.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0060.00321.24
8.2.100.0090.00317.78
8.2.90.0000.00817.88
8.2.80.0040.00417.97
8.2.70.0060.00317.59
8.2.60.0050.00518.04
8.2.50.0000.00818.07
8.2.40.0060.00317.97
8.2.30.0080.00017.94
8.2.20.0050.00217.59
8.2.10.0000.00817.89
8.2.00.0040.00417.70
8.1.280.0110.00425.92
8.1.270.0080.00018.82
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00321.30
8.1.230.0000.01117.64
8.1.220.0030.00517.74
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0040.00418.83
8.1.160.0000.00718.66
8.1.150.0000.00718.77
8.1.140.0000.00817.35
8.1.130.0070.00017.67
8.1.120.0050.00317.43
8.1.110.0000.00717.46
8.1.100.0040.00417.36
8.1.90.0000.00817.35
8.1.80.0000.00817.47
8.1.70.0000.00817.48
8.1.60.0060.00317.66
8.1.50.0040.00417.52
8.1.40.0070.00017.41
8.1.30.0030.00617.54
8.1.20.0000.00917.72
8.1.10.0000.00817.67
8.1.00.0040.00417.46
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0040.00418.40
8.0.270.0030.00417.09
8.0.260.0040.00417.20
8.0.250.0030.00616.86
8.0.240.0000.00716.94
8.0.230.0050.00216.95
8.0.220.0000.00716.85
8.0.210.0030.00316.82
8.0.200.0030.00316.97
8.0.190.0000.00716.90
8.0.180.0040.00416.95
8.0.170.0070.00016.95
8.0.160.0030.00317.02
8.0.150.0040.00416.87
8.0.140.0030.00516.70
8.0.130.0060.00013.34
8.0.120.0060.00316.91
8.0.110.0040.00416.89
8.0.100.0040.00416.72
8.0.90.0040.00416.77
8.0.80.0110.01016.93
8.0.70.0070.00016.81
8.0.60.0000.00816.98
8.0.50.0000.00716.91
8.0.30.0080.01517.28
8.0.20.0110.00717.40
8.0.10.0070.00016.92
8.0.00.0080.01016.84
7.4.330.0000.00515.03
7.4.320.0030.00316.61
7.4.300.0000.00616.73
7.4.290.0070.00016.66
7.4.280.0040.00416.48
7.4.270.0040.00316.73
7.4.260.0030.00316.60
7.4.250.0070.00016.57
7.4.240.0050.00216.60
7.4.230.0030.00316.44
7.4.220.0060.01316.48
7.4.210.0120.00316.60
7.4.200.0040.00416.61
7.4.160.0030.01616.77
7.4.150.0110.00817.40
7.4.140.0100.00817.86
7.4.130.0080.00816.53
7.4.120.0110.01116.63
7.4.110.0070.01016.73
7.4.100.0140.00716.56
7.4.90.0080.00816.53
7.4.80.0070.01019.39
7.4.70.0090.00616.52
7.4.60.0070.01116.38
7.4.50.0000.00816.58
7.4.40.0070.01016.65
7.4.30.0060.01216.60
7.4.00.0040.01515.12
7.3.330.0000.00612.96
7.3.320.0000.00513.13
7.3.310.0000.00816.30
7.3.300.0000.00716.29
7.3.290.0050.00816.28
7.3.280.0030.01216.35
7.3.270.0140.00317.40
7.3.260.0090.00916.28
7.3.250.0090.00816.51
7.3.240.0090.00916.31
7.3.230.0080.01516.63
7.3.210.0160.00616.38
7.3.200.0170.00719.39
7.3.190.0070.01016.43
7.3.180.0140.00316.57
7.3.170.0100.00616.62
7.3.160.0060.00916.30
7.3.120.0040.01514.84
7.3.110.0110.00714.53
7.3.100.0000.01515.06
7.3.90.0050.00514.54
7.3.80.0130.00015.07
7.3.70.0030.01314.86
7.3.60.0030.00714.98
7.3.50.0040.01114.96
7.3.40.0060.00914.91
7.3.30.0060.00314.74
7.3.20.0040.00716.81
7.3.10.0110.00016.75
7.3.00.0000.01016.64
7.2.330.0070.01116.63
7.2.320.0100.00716.55
7.2.310.0030.01616.64
7.2.300.0130.00416.83
7.2.290.0100.01316.67
7.2.250.0030.01315.02
7.2.240.0030.01615.09
7.2.230.0070.01114.73
7.2.220.0030.00714.78
7.2.210.0000.01114.89
7.2.200.0060.00615.07
7.2.190.0060.00614.72
7.2.180.0070.01015.04
7.2.170.0040.01115.22
7.1.330.0030.00915.80
7.1.320.0070.00415.82
7.1.310.0120.00316.16
7.1.300.0060.00615.80
7.1.290.0100.00315.95
7.1.280.0000.01116.13
7.1.270.0040.00415.71
7.1.260.0030.01015.68
7.1.70.0030.00517.42
7.1.60.0030.02119.57
7.1.50.0070.01417.10
7.1.00.0030.07722.39
7.0.200.0080.00317.05
7.0.140.0030.06022.09
7.0.60.0170.07320.06
7.0.50.0030.04317.85
7.0.40.0100.03720.16
7.0.30.0270.08720.26
7.0.20.0230.07720.24
7.0.10.0170.03720.14
7.0.00.0070.08720.32
5.6.280.0030.07021.04
5.6.210.0030.04020.54
5.6.200.0030.07718.14
5.6.190.0200.04320.46
5.6.180.0330.06720.47
5.6.170.0300.07320.57
5.6.160.0030.08020.70
5.6.150.0070.06718.18
5.6.140.0070.04018.18
5.6.130.0070.09018.16
5.6.120.0130.05720.87
5.6.110.0100.06021.13
5.6.100.0100.08020.98
5.6.90.0100.08321.11
5.6.80.0030.08020.34
5.5.350.0030.08720.42
5.5.340.0070.04318.05
5.5.330.0030.06320.41
5.5.320.0030.04720.24
5.5.310.0330.07320.37
5.5.300.0130.08017.93
5.5.290.0030.05717.99
5.5.280.0100.04320.88
5.5.270.0130.06720.72
5.5.260.0230.06720.94
5.5.250.0070.07020.58
5.5.240.0030.07720.23
5.4.450.0670.05719.21
5.4.440.0600.06019.55
5.4.430.0170.05019.43
5.4.420.0100.05319.46
5.4.410.0100.05319.52
5.4.400.0100.05319.12
5.4.390.0170.04719.13
5.4.380.0270.04718.59
5.4.370.0130.06018.85
5.4.360.0200.05018.78
5.4.350.0370.03718.50
5.4.340.0130.06018.79
5.4.320.0170.05718.76
5.4.310.0070.06718.46
5.4.300.0200.05018.40
5.4.290.0230.04718.80
5.4.280.0130.06018.64
5.4.270.0230.04718.79
5.4.260.0130.05318.76
5.4.250.0200.05318.70
5.4.240.0130.05718.75
5.4.230.0230.06718.54
5.4.220.0170.05718.69
5.4.210.0200.05018.79
5.4.200.0230.04716.61
5.4.190.0270.04318.59
5.4.180.0130.06018.69
5.4.170.0170.05718.73
5.4.160.0100.06018.72
5.4.150.0200.05018.72
5.4.140.0230.04716.29
5.4.130.0170.05016.19
5.4.120.0200.05016.33
5.4.110.0270.04016.45
5.4.100.0200.05016.31
5.4.90.0300.04016.20
5.4.80.0170.05316.42
5.4.70.0170.05316.18
5.4.60.0230.06716.22
5.4.50.0330.06016.17
5.4.40.0330.05316.27
5.4.30.0200.04716.24
5.4.20.0270.04716.18
5.4.10.0100.05716.22
5.4.00.0230.04315.73
5.3.290.0200.05314.71
5.3.280.0230.04714.75
5.3.270.0330.03714.70
5.3.260.0300.04714.72
5.3.250.0230.04714.80
5.3.240.0100.06014.63
5.3.230.0200.04714.62
5.3.220.0170.05314.75
5.3.210.0200.05014.57
5.3.200.0230.04714.60
5.3.190.0230.05014.59
5.3.180.0330.03714.68
5.3.170.0230.04314.83
5.3.160.0270.04014.55
5.3.150.0130.05714.68
5.3.140.0100.05714.67
5.3.130.0230.04714.82
5.3.120.0130.05714.54
5.3.110.0130.05714.55
5.3.100.0300.03714.05
5.3.90.0270.04314.14
5.3.80.0100.05714.15
5.3.70.0170.05014.14
5.3.60.0200.05014.13
5.3.50.0270.06014.07
5.3.40.0070.08013.99
5.3.30.0300.05013.95
5.3.20.0200.05313.68
5.3.10.0070.05713.78
5.3.00.0130.05313.69
5.2.170.0170.03711.27
5.2.160.0130.05311.24
5.2.150.0170.05711.24
5.2.140.0200.05011.23
5.2.130.0200.04711.22
5.2.120.0230.04011.20
5.2.110.0170.03711.08
5.2.100.0130.04011.19
5.2.90.0070.04711.08
5.2.80.0130.04311.17
5.2.70.0200.03711.19
5.2.60.0200.03711.18
5.2.50.0170.04011.06
5.2.40.0070.04311.03
5.2.30.0100.04311.00
5.2.20.0170.03710.95
5.2.10.0130.04010.90
5.2.00.0100.04310.75
5.1.60.0100.03310.04
5.1.50.0000.04310.07
5.1.40.0070.04010.03
5.1.30.0000.04710.39
5.1.20.0030.04710.33
5.1.10.0100.03710.13
5.1.00.0130.03310.25
5.0.50.0070.0308.52
5.0.40.0130.0238.51
5.0.30.0070.0438.26
5.0.20.0070.0278.23
5.0.10.0070.0308.17
5.0.00.0070.0438.34
4.4.90.0130.0135.88
4.4.80.0030.0235.91
4.4.70.0030.0235.88
4.4.60.0130.0175.86
4.4.50.0100.0275.95
4.4.40.0030.0375.89
4.4.30.0100.0205.89
4.4.20.0070.0235.88
4.4.10.0070.0205.99
4.4.00.0100.0305.95
4.3.110.0100.0175.81
4.3.100.0070.0205.74
4.3.90.0070.0205.81
4.3.80.0030.0405.89
4.3.70.0070.0205.78
4.3.60.0030.0275.78
4.3.50.0070.0205.79
4.3.40.0000.0375.74
4.3.30.0000.0234.69
4.3.20.0000.0234.69
4.3.10.0070.0204.69
4.3.00.0100.0207.04

preferences:
33.93 ms | 401 KiB | 5 Q