3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "#CAPTION"; $pattern = '/^#([A-Z]+)$/'; echo preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE); print_r($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)
8.3.60.0070.01418.18
8.3.50.0080.00922.05
8.3.40.0110.00419.02
8.3.30.0070.00718.89
8.3.20.0080.00018.77
8.3.10.0080.00020.92
8.3.00.0040.00423.70
8.2.180.0180.00325.92
8.2.170.0070.00718.87
8.2.160.0040.01122.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0150.00326.16
8.2.120.0140.00021.19
8.2.110.0060.00322.20
8.2.100.0080.00417.91
8.2.90.0040.00419.19
8.2.80.0050.00318.04
8.2.70.0040.00417.75
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0000.00718.28
8.2.30.0000.00819.75
8.2.20.0050.00317.84
8.2.10.0040.00417.76
8.2.00.0000.00817.77
8.1.280.0100.01025.92
8.1.270.0070.00024.66
8.1.260.0030.00626.35
8.1.250.0030.00628.09
8.1.240.0070.00320.65
8.1.230.0000.01220.72
8.1.220.0050.00318.77
8.1.210.0000.00818.93
8.1.200.0070.00317.47
8.1.190.0000.00917.40
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0000.00718.69
8.1.150.0000.00718.68
8.1.140.0000.00817.52
8.1.130.0000.00717.89
8.1.120.0000.00817.56
8.1.110.0040.00417.60
8.1.100.0040.00417.53
8.1.90.0060.00317.50
8.1.80.0040.00317.43
8.1.70.0050.00317.50
8.1.60.0040.00417.64
8.1.50.0070.00017.61
8.1.40.0050.00317.55
8.1.30.0050.00217.72
8.1.20.0080.00017.63
8.1.10.0020.00517.53
8.1.00.0060.00317.57
8.0.300.0070.00019.89
8.0.290.0000.00717.18
8.0.280.0070.00018.52
8.0.270.0000.00717.31
8.0.260.0030.00317.02
8.0.250.0050.00316.98
8.0.240.0050.00316.96
8.0.230.0080.00016.89
8.0.220.0030.00316.83
8.0.210.0040.00416.97
8.0.200.0030.00317.04
8.0.190.0050.00316.99
8.0.180.0040.00416.99
8.0.170.0000.00816.89
8.0.160.0030.00516.97
8.0.150.0070.00016.93
8.0.140.0000.00716.83
8.0.130.0060.00013.37
8.0.120.0080.00016.86
8.0.110.0020.00516.76
8.0.100.0040.00416.86
8.0.90.0000.00816.78
8.0.80.0030.01517.01
8.0.70.0020.00516.79
8.0.60.0000.00816.94
8.0.50.0030.00616.91
8.0.30.0090.00917.27
8.0.20.0090.01217.41
8.0.10.0000.00716.96
8.0.00.0130.00616.83
7.4.330.0030.00314.85
7.4.320.0060.00016.66
7.4.300.0000.00616.62
7.4.290.0030.00316.64
7.4.280.0090.00316.63
7.4.270.0030.00516.62
7.4.260.0050.00013.47
7.4.250.0040.00416.61
7.4.240.0040.00416.65
7.4.230.0030.00316.78
7.4.220.0210.00316.60
7.4.210.0070.01016.70
7.4.200.0000.00716.77
7.4.190.0040.00316.59
7.4.160.0050.01116.56
7.4.150.0070.01017.40
7.4.140.0050.01217.86
7.4.130.0120.00516.72
7.4.120.0080.00816.69
7.4.110.0070.01016.48
7.4.100.0030.01316.57
7.4.90.0130.00316.74
7.4.80.0070.01019.37
7.4.70.0120.00616.61
7.4.60.0130.00316.48
7.4.50.0030.00516.68
7.4.40.0030.01022.27
7.4.30.0120.00916.31
7.4.00.0100.00715.21
7.3.330.0000.00513.07
7.3.320.0000.00813.19
7.3.310.0000.00716.35
7.3.300.0020.00516.32
7.3.290.0080.00816.27
7.3.280.0110.00516.27
7.3.270.0140.00417.40
7.3.260.0100.00818.24
7.3.250.0100.01016.38
7.3.240.0100.00716.40
7.3.230.0160.00716.50
7.3.210.0130.01016.34
7.3.200.0090.00919.39
7.3.190.0110.00716.73
7.3.180.0060.00916.54
7.3.170.0040.01316.51
7.3.160.0060.01016.54
7.3.120.0110.00414.54
7.2.330.0130.00316.64
7.2.320.0110.00516.46
7.2.310.0030.01516.82
7.2.300.0130.00316.67
7.2.290.0120.00416.62
7.2.00.0030.00919.47
7.1.200.0030.00315.77
7.1.100.0040.00818.45
7.1.70.0000.01217.05
7.1.60.0090.01519.40
7.1.50.0180.01116.94
7.1.00.0030.06722.45
7.0.200.0030.00316.90
7.0.140.0000.07021.93
7.0.70.0030.06721.73
7.0.60.0000.08721.83
7.0.50.0070.08022.18
7.0.40.0070.08720.14
7.0.30.0130.07320.04
7.0.20.0070.08720.15
7.0.10.0000.08320.07
7.0.00.0030.07320.14
5.6.280.0070.07320.85
5.6.220.0100.07720.52
5.6.210.0070.07320.75
5.6.200.0000.07021.03
5.6.190.0100.08321.07
5.6.180.0070.06721.02
5.6.170.0100.07720.93
5.6.160.0000.07021.01
5.6.150.0030.08321.00
5.6.140.0070.08021.01
5.6.130.0030.09021.09
5.6.120.0030.07721.01
5.6.110.0000.08321.07
5.6.100.0000.06021.00
5.6.90.0070.08721.01
5.6.80.0230.07020.55
5.6.70.0070.07320.32
5.6.60.0070.05020.31
5.6.50.0030.03720.46
5.6.40.0030.04020.28
5.6.30.0000.04020.45
5.6.20.0030.05320.45
5.6.10.0000.04020.28
5.6.00.0030.07320.27
5.5.360.0070.08020.34
5.5.350.0070.07020.36
5.5.340.0030.08020.68
5.5.330.0070.07020.79
5.5.320.0070.07320.84
5.5.310.0000.08720.87
5.5.300.0030.05020.80
5.5.290.0070.08720.88
5.5.280.0070.08320.82
5.5.270.0100.08320.78
5.5.260.0100.07320.86
5.5.250.0000.06720.73
5.5.240.0130.06720.18
5.5.230.0070.08320.18
5.5.220.0030.05320.10
5.5.210.0070.03320.25
5.5.200.0030.07020.20
5.5.190.0000.04020.12
5.5.180.0070.03320.13
5.5.160.0070.03720.25
5.5.150.0030.04020.21
5.5.140.0000.04020.21
5.5.130.0070.03720.07
5.5.120.0000.04720.26
5.5.110.0100.03320.06
5.5.100.0000.05320.16
5.5.90.0000.04020.16
5.5.80.0000.04020.14
5.5.70.0000.04020.08
5.5.60.0030.06020.08
5.5.50.0030.06019.95
5.5.40.0030.04020.07
5.5.30.0030.06319.94
5.5.20.0030.03020.05
5.5.10.0030.03720.04
5.5.00.0030.03720.07
5.4.450.0100.08019.36
5.4.440.0100.07719.36
5.4.430.0000.06319.36
5.4.420.0030.05319.55
5.4.410.0030.07719.29
5.4.400.0100.05319.05
5.4.390.0000.05019.09
5.4.380.0000.06019.04
5.4.370.0070.05319.03
5.4.360.0070.03319.16
5.4.350.0030.04019.03
5.4.340.0030.03719.21
5.4.320.0030.04319.03
5.4.310.0000.04018.95
5.4.300.0030.04019.23
5.4.290.0000.03718.94
5.4.280.0070.03319.12
5.4.270.0030.05018.86
5.4.260.0070.03318.95
5.4.250.0000.04319.13
5.4.240.0030.07019.03
5.4.230.0030.04719.13
5.4.220.0000.03719.07
5.4.210.0000.03719.06
5.4.200.0030.04319.04
5.4.190.0030.03319.06
5.4.180.0000.03719.11
5.4.170.0030.03019.06
5.4.160.0000.03319.18
5.4.150.0070.03019.18
5.4.140.0000.03716.44
5.4.130.0030.03316.45
5.4.120.0000.03316.42
5.4.110.0000.03016.33
5.4.100.0000.03316.55
5.4.90.0030.03716.45
5.4.80.0070.02316.37
5.4.70.0030.03316.46
5.4.60.0000.03716.47
5.4.50.0030.03316.44
5.4.40.0030.03316.36
5.4.30.0030.03016.44
5.4.20.0000.03716.40
5.4.10.0000.03716.41
5.4.00.0030.07315.89
5.3.290.0000.04014.66
5.3.280.0000.03714.61
5.3.270.0000.03714.60
5.3.260.0000.04014.52
5.3.250.0030.05714.66
5.3.240.0030.03014.65
5.3.230.0000.04314.71
5.3.220.0030.03314.52
5.3.210.0000.04314.56
5.3.200.0000.03714.51
5.3.190.0000.06014.56
5.3.180.0000.04014.48
5.3.170.0000.03714.53
5.3.160.0000.03714.52
5.3.150.0030.03714.69
5.3.140.0030.03714.53
5.3.130.0000.08314.48
5.3.120.0000.05314.63
5.3.110.0000.05714.66
5.3.100.0030.04713.96
5.3.90.0100.03014.08
5.3.80.0030.03314.03
5.3.70.0000.03714.02
5.3.60.0000.04313.88
5.3.50.0030.07313.96
5.3.40.0030.07713.86
5.3.30.0030.07713.99
5.3.20.0030.06013.66
5.3.10.0070.03713.66
5.3.00.0000.05313.60
5.2.170.0030.06312.24
5.2.160.0030.06012.24
5.2.150.0000.07012.24
5.2.140.0070.06012.24
5.2.130.0030.06012.24
5.2.120.0030.06312.24
5.2.110.0070.05012.24
5.2.100.0070.04312.24
5.2.90.0030.06312.24
5.2.80.0000.06312.24
5.2.70.0000.06012.24
5.2.60.0000.06312.24
5.2.50.0030.05712.24
5.2.40.0100.05012.24
5.2.30.0000.05712.24
5.2.20.0030.04012.24
5.2.10.0030.06012.24
5.2.00.0000.06312.24
5.1.60.0070.05012.24
5.1.50.0000.05012.24
5.1.40.0000.05312.24
5.1.30.0000.06012.24
5.1.20.0070.05312.24
5.1.10.0070.05312.24
5.1.00.0000.05712.24
5.0.50.0070.03712.24
5.0.40.0000.04012.24
5.0.30.0030.06712.24
5.0.20.0000.04312.24
5.0.10.0030.03312.24
5.0.00.0030.06312.24
4.4.90.0030.03312.24
4.4.80.0000.04012.24
4.4.70.0000.01712.24
4.4.60.0030.03312.24
4.4.50.0000.03312.24
4.4.40.0000.05312.24
4.4.30.0000.03012.24
4.4.20.0070.03012.24
4.4.10.0030.03312.24
4.4.00.0000.05312.24
4.3.110.0000.03712.24
4.3.100.0030.03012.24
4.3.90.0000.03712.24
4.3.80.0000.05012.24
4.3.70.0000.03312.24
4.3.60.0030.03012.24
4.3.50.0000.03312.24
4.3.40.0000.04312.24
4.3.30.0070.03012.24
4.3.20.0000.02712.24
4.3.10.0070.03012.24
4.3.00.0070.03312.24

preferences:
46.6 ms | 401 KiB | 5 Q