3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("/^(-?\w+)-?{1}/", "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)
8.3.40.0070.00718.88
8.3.30.0100.00319.07
8.3.20.0000.00820.16
8.3.10.0000.00823.66
8.3.00.0070.00019.19
8.2.170.0060.00922.96
8.2.160.0090.00620.38
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0060.00321.30
8.2.110.0090.00020.11
8.2.100.0080.00418.03
8.2.90.0080.00017.75
8.2.80.0040.00418.89
8.2.70.0000.00817.80
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0000.00719.03
8.2.30.0050.00319.34
8.2.20.0040.00417.61
8.2.10.0070.00017.94
8.2.00.0080.00017.79
8.1.270.0060.00318.88
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0070.01018.88
8.1.230.0070.00322.20
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0050.00317.23
8.1.190.0060.00317.10
8.1.180.0000.00818.10
8.1.170.0050.00318.77
8.1.160.0050.00218.77
8.1.150.0070.00018.79
8.1.140.0030.00617.44
8.1.130.0030.00317.70
8.1.120.0070.00017.38
8.1.110.0000.00717.48
8.1.100.0040.00417.43
8.1.90.0000.00717.34
8.1.80.0030.00317.49
8.1.70.0080.00017.50
8.1.60.0000.00917.65
8.1.50.0050.00317.45
8.1.40.0040.00417.44
8.1.30.0040.00417.73
8.1.20.0080.00017.74
8.1.10.0000.00817.52
8.1.00.0030.00517.41
8.0.300.0030.00518.77
8.0.290.0040.00416.88
8.0.280.0070.00018.36
8.0.270.0030.00317.22
8.0.260.0040.00417.26
8.0.250.0030.00517.08
8.0.240.0090.00017.08
8.0.230.0000.00717.05
8.0.220.0030.00316.96
8.0.210.0040.00416.95
8.0.200.0020.00517.02
8.0.190.0040.00417.05
8.0.180.0040.00416.99
8.0.170.0000.00817.05
8.0.160.0000.00717.00
8.0.150.0030.00516.92
8.0.140.0030.00516.95
8.0.130.0000.00513.46
8.0.120.0080.00016.93
8.0.110.0000.00717.05
8.0.100.0070.00017.09
8.0.90.0000.00716.80
8.0.80.0040.01816.95
8.0.70.0020.00516.86
8.0.60.0000.00816.84
8.0.50.0040.00417.00
8.0.30.0150.00717.23
8.0.20.0160.00717.40
8.0.10.0040.00416.99
8.0.00.0110.00716.71
7.4.330.0000.00515.03
7.4.320.0030.00316.68
7.4.300.0030.00316.57
7.4.290.0030.00316.54
7.4.280.0050.00316.59
7.4.270.0000.00716.64
7.4.260.0040.00416.56
7.4.250.0040.00416.67
7.4.240.0000.00716.63
7.4.230.0070.00016.58
7.4.220.0120.00616.61
7.4.210.0130.00616.65
7.4.200.0040.00416.43
7.4.160.0030.01316.59
7.4.150.0030.01617.40
7.4.140.0130.00717.86
7.4.130.0070.01016.64
7.4.120.0090.00716.55
7.4.110.0090.01816.70
7.4.100.0090.00916.65
7.4.90.0150.00416.62
7.4.80.0110.00619.39
7.4.70.0050.01016.57
7.4.60.0090.00916.48
7.4.50.0000.00816.43
7.4.40.0170.00416.52
7.4.30.0120.00916.45
7.4.00.0040.01414.99
7.3.330.0050.00013.09
7.3.320.0000.00513.19
7.3.310.0040.00416.49
7.3.300.0040.00416.24
7.3.290.0090.01016.35
7.3.280.0080.00716.35
7.3.270.0120.00617.40
7.3.260.0180.00016.74
7.3.250.0090.00816.50
7.3.240.0100.00716.33
7.3.230.0130.00316.41
7.3.210.0070.01016.69
7.3.200.0100.01919.39
7.3.190.0100.01016.53
7.3.180.0120.00516.79
7.3.170.0060.01116.38
7.3.160.0090.00616.47
7.3.120.0030.01014.83
7.3.110.0090.00615.06
7.3.100.0060.00915.10
7.3.90.0030.01014.87
7.3.80.0080.00814.60
7.3.70.0000.01314.97
7.3.60.0060.00614.55
7.3.50.0000.01614.89
7.3.40.0040.00714.86
7.3.30.0050.00514.73
7.3.20.0030.00716.87
7.3.10.0040.01116.67
7.3.00.0070.00816.64
7.2.330.0090.00916.76
7.2.320.0030.01416.56
7.2.310.0060.02016.41
7.2.300.0080.00816.69
7.2.290.0130.00616.75
7.2.240.0030.01314.99
7.2.230.0040.01115.07
7.2.220.0040.00814.89
7.2.210.0060.00915.00
7.2.200.0080.00415.09
7.2.190.0060.00915.07
7.2.180.0000.01815.16
7.2.170.0040.01014.93
7.2.160.0040.01214.91
7.2.150.0000.01017.16
7.2.140.0000.01216.54
7.2.130.0030.01016.88
7.2.120.0050.00716.83
7.2.110.0060.00716.82
7.2.100.0060.00816.93
7.2.90.0080.00616.81
7.2.80.0080.00516.84
7.2.70.0060.00616.96
7.2.60.0370.00816.34
7.2.50.0130.00016.69
7.2.40.0100.00217.04
7.2.30.0070.01017.03
7.2.20.0030.01216.88
7.2.10.0060.00616.86
7.2.00.0020.01117.73
7.1.330.0030.01215.77
7.1.320.0070.00715.88
7.1.310.0030.01315.99
7.1.300.0060.01015.72
7.1.290.0040.01115.87
7.1.280.0030.01415.57
7.1.270.0000.01415.75
7.1.260.0030.00915.70
7.1.250.0040.00715.90
7.1.200.0000.01116.01
7.1.100.0070.00418.12
7.1.70.0000.00917.18
7.1.60.0070.01719.57
7.1.50.0140.01017.15
7.1.00.0000.07722.47
7.0.200.0030.00716.98
7.0.140.0030.07322.21
7.0.60.0200.03319.77
7.0.50.0070.08017.88
7.0.40.0070.04320.06
7.0.30.0330.04020.35
7.0.20.0330.07320.12
7.0.10.0030.04320.25
7.0.00.0030.08720.24
5.6.280.0030.07321.06
5.6.210.0000.08720.46
5.6.200.0070.06718.19
5.6.190.0030.04320.41
5.6.180.0100.05020.54
5.6.170.0230.04720.47
5.6.160.0100.04020.44
5.6.150.0130.03018.19
5.6.140.0130.05018.26
5.6.130.0030.08318.14
5.6.120.0070.06021.13
5.6.110.0100.08020.98
5.6.100.0200.06721.02
5.6.90.0170.07320.95
5.6.80.0070.03320.38
5.5.350.0030.06720.40
5.5.340.0070.03717.99
5.5.330.0070.08020.41
5.5.320.0170.03720.27
5.5.310.0370.05020.34
5.5.300.0030.05018.05
5.5.290.0130.07017.95
5.5.280.0070.08320.97
5.5.270.0170.07720.87
5.5.260.0100.08020.95
5.5.250.0070.07720.68
5.5.240.0270.06320.15
5.4.450.0400.06719.63
5.4.440.0500.07719.55
5.4.430.0230.04019.41
5.4.420.0070.05719.21
5.4.410.0100.05319.42
5.4.400.0200.04319.26
5.4.390.0070.05719.11
5.4.380.0400.03718.55
5.4.370.0200.05318.62
5.4.360.0130.06018.84
5.4.350.0230.05018.50
5.4.340.0170.05718.52
5.4.320.0170.05718.45
5.4.310.0170.05318.76
5.4.300.0270.04718.50
5.4.290.0230.05018.54
5.4.280.0300.04318.61
5.4.270.0130.05718.83
5.4.260.0230.05018.79
5.4.250.0200.05318.68
5.4.240.0130.06018.75
5.4.230.0230.04718.70
5.4.220.0200.05318.63
5.4.210.0200.05018.73
5.4.200.0100.06016.61
5.4.190.0200.05318.74
5.4.180.0200.05318.57
5.4.170.0170.05718.45
5.4.160.0230.05018.59
5.4.150.0130.06018.76
5.4.140.0270.04316.46
5.4.130.0130.05316.29
5.4.120.0200.04716.44
5.4.110.0070.06016.32
5.4.100.0200.05016.45
5.4.90.0200.05016.43
5.4.80.0200.05016.30
5.4.70.0300.04016.25
5.4.60.0270.04316.29
5.4.50.0170.05016.24
5.4.40.0230.04716.16
5.4.30.0270.04016.19
5.4.20.0200.05016.25
5.4.10.0170.05016.22
5.4.00.0200.04715.77
5.3.290.0200.05314.66
5.3.280.0200.05014.58
5.3.270.0300.04314.78
5.3.260.0300.04314.70
5.3.250.0070.06314.77
5.3.240.0130.05714.78
5.3.230.0200.04714.64
5.3.220.0200.05014.61
5.3.210.0230.05014.69
5.3.200.0100.05714.77
5.3.190.0130.05714.60
5.3.180.0130.05314.66
5.3.170.0130.05314.66
5.3.160.0130.05714.64
5.3.150.0170.05314.66
5.3.140.0130.05314.73
5.3.130.0200.05314.73
5.3.120.0200.05014.63
5.3.110.0130.06014.57
5.3.100.0070.06014.15
5.3.90.0200.05014.22
5.3.80.0170.05014.01
5.3.70.0070.06014.05
5.3.60.0130.05314.16
5.3.50.0170.05014.15
5.3.40.0170.05014.03
5.3.30.0230.04014.18
5.3.20.0130.05013.81
5.3.10.0070.05713.93
5.3.00.0070.06313.62
5.2.170.0130.04011.42
5.2.160.0170.03711.24
5.2.150.0170.03711.41
5.2.140.0170.04011.20
5.2.130.0100.04311.11
5.2.120.0100.04711.11
5.2.110.0070.04711.13
5.2.100.0030.05011.15
5.2.90.0100.04311.07
5.2.80.0130.04311.19
5.2.70.0170.03711.19
5.2.60.0130.04011.15
5.2.50.0100.04311.00
5.2.40.0230.03011.11
5.2.30.0170.03711.11
5.2.20.0130.04010.95
5.2.10.0200.03310.96
5.2.00.0130.04010.93
5.1.60.0100.03710.11
5.1.50.0200.02710.11
5.1.40.0170.03310.01
5.1.30.0200.04010.46
5.1.20.0130.03310.39
5.1.10.0170.03010.06
5.1.00.0130.03710.13
5.0.50.0030.0338.54
5.0.40.0030.0308.47
5.0.30.0100.0408.34
5.0.20.0130.0238.38
5.0.10.0130.0238.36
5.0.00.0070.0438.19
4.4.90.0100.0276.00
4.4.80.0100.0275.99
4.4.70.0070.0335.88
4.4.60.0100.0175.81
4.4.50.0070.0235.88
4.4.40.0170.0405.90
4.4.30.0100.0275.90
4.4.20.0100.0205.94
4.4.10.0100.0205.94
4.4.00.0000.0405.89
4.3.110.0170.0135.80
4.3.100.0070.0205.76
4.3.90.0030.0235.79
4.3.80.0100.0405.79
4.3.70.0130.0235.91
4.3.60.0070.0305.77
4.3.50.0100.0275.78
4.3.40.0100.0405.75
4.3.30.0130.0134.92
4.3.20.0070.0204.92
4.3.10.0000.0234.92
4.3.00.0130.0137.04

preferences:
53.35 ms | 400 KiB | 5 Q