3v4l.org

run code in 300+ PHP versions simultaneously
<?php $selector = 'p:before'; preg_match('~::?(?:first-(?:letter|line)|before|after|selection|value|choices|repeat-(?:item|index)|outside|alternate|(?:line-)?marker|slot\([_a-z0-9+.\\\\-]*\))~i', $selector, $matches); var_dump($matches, $selector);

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)
8.3.40.0070.00718.84
8.3.30.0110.00418.91
8.3.20.0000.00720.25
8.3.10.0080.00023.39
8.3.00.0040.00417.91
8.2.170.0110.00322.96
8.2.160.0040.01622.22
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00920.82
8.2.110.0030.00622.30
8.2.100.0080.00317.97
8.2.90.0050.00320.39
8.2.80.0000.00817.97
8.2.70.0000.00917.68
8.2.60.0040.00418.03
8.2.50.0040.00418.10
8.2.40.0000.00919.20
8.2.30.0030.00618.14
8.2.20.0040.00417.64
8.2.10.0000.00718.02
8.2.00.0050.00217.87
8.1.270.0080.00023.97
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0060.00322.14
8.1.230.0080.00420.79
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.36
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0000.00818.73
8.1.160.0030.00621.98
8.1.150.0070.00018.71
8.1.140.0000.00717.58
8.1.130.0000.00817.89
8.1.120.0080.00017.48
8.1.110.0040.00417.56
8.1.100.0080.00017.56
8.1.90.0000.00717.53
8.1.80.0040.00417.45
8.1.70.0000.00717.52
8.1.60.0030.00617.60
8.1.50.0040.00417.50
8.1.40.0040.00417.45
8.1.30.0030.00617.68
8.1.20.0040.00417.80
8.1.10.0040.00417.56
8.1.00.0000.00817.48
8.0.300.0070.00019.78
8.0.290.0060.00316.75
8.0.280.0000.01118.31
8.0.270.0070.00017.21
8.0.260.0030.00317.16
8.0.250.0000.00716.98
8.0.240.0040.00417.00
8.0.230.0040.00417.08
8.0.220.0070.00016.87
8.0.210.0040.00416.89
8.0.200.0040.00417.00
8.0.190.0000.00717.10
8.0.180.0040.00416.98
8.0.170.0000.00817.01
8.0.160.0070.00016.96
8.0.150.0030.00516.95
8.0.140.0040.00416.82
8.0.130.0030.00313.32
8.0.120.0000.00716.98
8.0.110.0000.00716.81
8.0.100.0040.00416.96
8.0.90.0040.00416.94
8.0.80.0000.01616.96
8.0.70.0070.00017.02
8.0.60.0040.00416.80
8.0.50.0000.00816.88
8.0.30.0050.01317.22
8.0.20.0110.01117.41
8.0.10.0050.00216.97
8.0.00.0090.00816.86
7.4.330.0050.00015.12
7.4.320.0000.00716.63
7.4.300.0040.00416.73
7.4.290.0090.00016.76
7.4.280.0050.00316.60
7.4.270.0030.00416.75
7.4.260.0070.00016.63
7.4.250.0040.00416.61
7.4.240.0040.00416.71
7.4.230.0030.00316.73
7.4.220.0070.01016.83
7.4.210.0090.00616.67
7.4.200.0050.00216.56
7.4.160.0140.00716.73
7.4.150.0000.01717.40
7.4.140.0090.00917.86
7.4.130.0090.00716.70
7.4.120.0120.00416.70
7.4.110.0070.01016.54
7.4.100.0110.00616.49
7.4.90.0090.00916.61
7.4.80.0070.01119.39
7.4.70.0080.00916.60
7.4.60.0140.00416.47
7.4.50.0040.00016.62
7.4.40.0060.01116.72
7.4.30.0060.00916.59
7.4.00.0120.00314.91
7.3.330.0030.00313.01
7.3.320.0050.00013.19
7.3.310.0050.00316.15
7.3.300.0000.00716.16
7.3.290.0040.01016.27
7.3.280.0140.00516.24
7.3.270.0170.00017.40
7.3.260.0100.00716.65
7.3.250.0060.01216.64
7.3.240.0190.00316.43
7.3.230.0150.00416.59
7.3.210.0090.00916.51
7.3.200.0080.01516.59
7.3.190.0060.01216.56
7.3.180.0070.01016.31
7.3.170.0080.01216.70
7.3.160.0110.01116.65
7.3.120.0030.01314.80
7.3.10.0080.00816.75
7.3.00.0020.01216.56
7.2.330.0070.01016.55
7.2.320.0130.01116.77
7.2.310.0160.00616.64
7.2.300.0170.00316.52
7.2.290.0080.00816.48
7.2.130.0000.01316.72
7.2.120.0050.00617.03
7.2.110.0080.00616.75
7.2.100.0070.00716.96
7.2.90.0030.01116.90
7.2.80.0020.01316.85
7.2.70.0110.00416.87
7.2.60.0090.00716.98
7.2.50.0080.01116.75
7.2.40.0090.00717.00
7.2.30.0050.00716.90
7.2.20.0040.01117.01
7.2.10.0040.00717.03
7.2.00.0070.00717.82
7.1.250.0040.01015.94
7.1.200.0000.01115.80
7.1.100.0100.00318.45
7.1.70.0000.00817.31
7.1.60.0090.01519.70
7.1.50.0060.00617.23
7.1.00.0070.07022.39
7.0.200.0030.00316.95
7.0.140.0000.07722.00
7.0.70.0000.08721.93
7.0.60.0030.08721.75
7.0.50.0100.08022.18
7.0.40.0070.06320.13
7.0.30.0070.08020.14
7.0.20.0070.04720.04
7.0.10.0070.05720.04
7.0.00.0070.08320.10
5.6.280.0030.07320.90
5.6.220.0000.08020.57
5.6.210.0100.07320.73
5.6.200.0030.04721.01
5.6.190.0030.08321.03
5.6.180.0100.03320.96
5.6.170.0000.06321.07
5.6.160.0100.05721.16
5.6.150.0000.04721.04
5.6.140.0070.08021.07
5.6.130.0070.05321.04
5.6.120.0070.06021.07
5.6.110.0130.07321.02
5.6.100.0070.06320.94
5.6.90.0100.06720.88
5.6.80.0070.06020.39
5.6.70.0000.05020.38
5.6.60.0030.08020.30
5.6.50.0100.07720.41
5.6.40.0070.07720.48
5.6.30.0070.06320.52
5.6.20.0000.05320.38
5.6.10.0100.07720.42
5.6.00.0030.04720.50
5.5.360.0030.07720.34
5.5.350.0070.07720.36
5.5.340.0100.06320.74
5.5.330.0070.08720.77
5.5.320.0100.07320.76
5.5.310.0030.07720.79
5.5.300.0000.06320.82
5.5.290.0100.06320.82
5.5.280.0030.04320.74
5.5.270.0130.07320.85
5.5.260.0000.07720.86
5.5.250.0070.08020.64
5.5.240.0070.05020.24
5.5.230.0100.04320.27
5.5.220.0070.07320.16
5.5.210.0070.07320.14
5.5.200.0130.06020.12
5.5.190.0030.07320.24
5.5.180.0070.06020.16
5.5.160.0070.06020.24
5.5.150.0070.08020.21
5.5.140.0030.07720.18
5.5.130.0000.07720.27
5.5.120.0000.05020.14
5.5.110.0000.04320.13
5.5.100.0070.03719.93
5.5.90.0030.04320.06
5.5.80.0070.04019.97
5.5.70.0030.05020.04
5.5.60.0000.04019.99
5.5.50.0000.04020.04
5.5.40.0030.03720.12
5.5.30.0000.06019.95
5.5.20.0000.04020.12
5.5.10.0000.05020.08
5.5.00.0100.05720.02
5.4.450.0030.04719.43
5.4.440.0030.05319.42
5.4.430.0000.07719.39
5.4.420.0030.07319.24
5.4.410.0030.07719.24
5.4.400.0100.07018.79
5.4.390.0030.03719.23
5.4.380.0100.06019.07
5.4.370.0000.08319.07
5.4.360.0100.06719.14
5.4.350.0030.07319.13
5.4.340.0000.08019.06
5.4.320.0030.06318.85
5.4.310.0070.07718.96
5.4.300.0070.05319.04
5.4.290.0000.05019.14
5.4.280.0070.07019.04
5.4.270.0030.05319.24
5.4.260.0070.05319.12
5.4.250.0000.04318.89
5.4.240.0070.03318.75
5.4.230.0070.07019.21
5.4.220.0070.06319.22
5.4.210.0000.03718.80
5.4.200.0000.03718.80
5.4.190.0000.04018.89
5.4.180.0030.03719.02
5.4.170.0000.07718.97
5.4.160.0100.03318.96
5.4.150.0030.04718.92
5.4.140.0000.03716.37
5.4.130.0030.05016.27
5.4.120.0070.06316.28
5.4.110.0030.03716.23
5.4.100.0000.04016.21
5.4.90.0030.03316.33
5.4.80.0030.03316.35
5.4.70.0030.03716.41
5.4.60.0000.06716.36
5.4.50.0100.03016.30
5.4.40.0100.03016.37
5.4.30.0030.03316.18
5.4.20.0030.03316.23
5.4.10.0000.04016.31
5.4.00.0000.03715.50
5.3.290.0000.06314.62
5.3.280.0030.03714.42
5.3.270.0030.03714.44
5.3.260.0100.03314.58
5.3.250.0100.03314.46
5.3.240.0070.03314.59
5.3.230.0030.06314.57
5.3.220.0030.03714.55
5.3.210.0070.03314.55
5.3.200.0000.04014.55
5.3.190.0070.03314.41
5.3.180.0070.03314.54
5.3.170.0030.03714.55
5.3.160.0000.04014.47
5.3.150.0030.04014.54
5.3.140.0000.04014.46
5.3.130.0070.03314.50
5.3.120.0070.03714.52
5.3.110.0000.04014.53
5.3.100.0000.06713.97
5.3.90.0070.04714.01
5.3.80.0000.04013.88
5.3.70.0030.03313.95
5.3.60.0130.02713.75
5.3.50.0000.04713.93
5.3.40.0030.02713.95
5.3.30.0000.03713.77
5.3.20.0000.03313.55
5.3.10.0000.03313.65
5.3.00.0000.03713.49
5.2.170.0030.04312.25
5.2.160.0030.03012.25
5.2.150.0030.03012.25
5.2.140.0000.03012.25
5.2.130.0000.02312.25
5.2.120.0000.02312.25
5.2.110.0000.02712.25
5.2.100.0000.02312.25
5.2.90.0000.02312.25
5.2.80.0000.02312.25
5.2.70.0030.02712.25
5.2.60.0000.03012.25
5.2.50.0000.05012.25
5.2.40.0000.02312.25
5.2.30.0030.05312.25
5.2.20.0000.03012.25
5.2.10.0000.03012.25
5.2.00.0030.02712.25
5.1.60.0030.04712.25
5.1.50.0030.02312.25
5.1.40.0030.03312.25
5.1.30.0000.02712.25
5.1.20.0000.03712.25
5.1.10.0000.03012.25
5.1.00.0000.04312.25
5.0.50.0000.02312.25
5.0.40.0030.02712.25
5.0.30.0000.02712.25
5.0.20.0000.02012.25
5.0.10.0000.02012.25
5.0.00.0000.03312.25
4.4.90.0000.01312.25
4.4.80.0000.01712.25
4.4.70.0000.01312.25
4.4.60.0000.03012.25
4.4.50.0000.02712.25
4.4.40.0000.02312.25
4.4.30.0000.01312.25
4.4.20.0000.01712.25
4.4.10.0000.01312.25
4.4.00.0000.02312.25
4.3.110.0000.02012.25
4.3.100.0000.01712.25
4.3.90.0000.03712.25
4.3.80.0000.02012.25
4.3.70.0030.01312.25
4.3.60.0000.03312.25
4.3.50.0000.02712.25
4.3.40.0000.05012.25
4.3.30.0100.02712.25
4.3.20.0000.03312.25
4.3.10.0000.03712.25
4.3.00.0000.03712.25

preferences:
43.15 ms | 400 KiB | 5 Q