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)
8.3.60.0090.00618.31
8.3.50.0110.00721.90
8.3.40.0070.00719.14
8.3.30.0070.00718.83
8.3.20.0000.00818.89
8.3.10.0040.00419.37
8.3.00.0040.00423.52
8.2.180.0110.01117.00
8.2.170.0110.00722.96
8.2.160.0030.01320.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0030.00519.48
8.2.110.0030.00622.38
8.2.100.0060.00618.03
8.2.90.0000.00819.11
8.2.80.0030.00517.97
8.2.70.0000.00817.75
8.2.60.0060.00317.93
8.2.50.0100.00018.07
8.2.40.0040.00418.08
8.2.30.0040.00419.85
8.2.20.0000.00717.67
8.2.10.0040.00417.82
8.2.00.0030.00617.79
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00722.54
8.1.230.0090.00320.89
8.1.220.0080.00018.77
8.1.210.0040.00418.85
8.1.200.0090.00017.50
8.1.190.0070.00017.40
8.1.180.0030.00518.10
8.1.170.0000.00818.77
8.1.160.0000.00818.89
8.1.150.0070.00018.63
8.1.140.0000.00717.40
8.1.130.0030.00317.79
8.1.120.0070.00017.54
8.1.110.0000.00717.53
8.1.100.0020.00517.56
8.1.90.0030.00517.56
8.1.80.0050.00217.54
8.1.70.0030.00317.50
8.1.60.0000.00817.64
8.1.50.0080.00017.43
8.1.40.0050.00217.62
8.1.30.0070.00017.68
8.1.20.0050.00317.77
8.1.10.0000.00717.61
8.1.00.0000.01017.55
8.0.300.0060.00320.03
8.0.290.0000.00717.18
8.0.280.0040.00418.51
8.0.270.0000.00717.18
8.0.260.0080.00016.87
8.0.250.0040.00417.00
8.0.240.0060.00317.08
8.0.230.0030.00317.02
8.0.220.0000.00716.96
8.0.210.0030.00316.96
8.0.200.0040.00416.91
8.0.190.0040.00417.07
8.0.180.0000.00716.84
8.0.170.0050.00316.98
8.0.160.0030.00616.95
8.0.150.0030.00616.86
8.0.140.0040.00416.81
8.0.130.0030.00313.46
8.0.120.0000.00717.01
8.0.110.0050.00316.92
8.0.100.0040.00416.91
8.0.90.0000.00816.82
8.0.80.0070.01417.00
8.0.70.0000.00716.94
8.0.60.0040.00417.03
8.0.50.0030.00316.90
8.0.30.0100.01017.31
8.0.20.0080.01317.40
8.0.10.0000.00817.15
8.0.00.0120.01117.00
7.4.330.0050.00014.85
7.4.320.0060.00016.66
7.4.300.0040.00416.56
7.4.290.0030.00316.66
7.4.280.0000.00916.69
7.4.270.0000.00816.75
7.4.260.0030.00313.29
7.4.250.0000.00716.70
7.4.240.0030.00316.71
7.4.230.0030.00316.43
7.4.220.0070.01016.71
7.4.210.0080.00816.66
7.4.200.0000.00716.82
7.4.190.0030.00616.52
7.4.160.0100.00616.66
7.4.150.0100.00717.40
7.4.140.0090.00917.86
7.4.130.0090.01116.67
7.4.120.0110.00616.71
7.4.110.0030.01416.57
7.4.100.0090.01516.71
7.4.90.0130.01416.68
7.4.80.0150.00619.37
7.4.70.0080.01416.68
7.4.60.0110.00516.64
7.4.50.0040.00416.54
7.4.40.0030.01322.27
7.4.30.0110.00716.67
7.4.00.0100.00615.05
7.3.330.0020.00213.07
7.3.320.0030.00312.99
7.3.310.0040.00416.18
7.3.300.0040.00416.14
7.3.290.0120.00916.26
7.3.280.0090.00616.28
7.3.270.0050.01017.40
7.3.260.0110.01218.24
7.3.250.0110.00716.31
7.3.240.0080.01116.29
7.3.230.0060.01016.39
7.3.210.0160.00616.50
7.3.200.0090.00919.39
7.3.190.0120.00916.65
7.3.180.0080.00816.52
7.3.170.0060.01116.56
7.3.160.0120.00416.28
7.3.120.0030.01314.78
7.2.330.0060.01316.69
7.2.320.0100.00716.68
7.2.310.0060.01616.63
7.2.300.0150.00316.63
7.2.290.0060.01116.55
7.2.00.0040.00819.48
7.1.100.0000.01318.25
7.1.70.0000.00817.05
7.1.60.0100.01419.40
7.1.50.0070.01017.09
7.1.00.0030.05722.50
7.0.200.0060.00316.69
7.0.140.0000.08021.99
7.0.70.0070.08321.71
7.0.60.0000.05021.86
7.0.50.0030.08721.96
7.0.40.0100.04020.18
7.0.30.0000.09020.07
7.0.20.0000.06720.07
7.0.10.0030.08020.04
7.0.00.0130.08020.04
5.6.280.0070.07021.07
5.6.220.0070.05720.48
5.6.210.0070.08020.55
5.6.200.0100.06721.02
5.6.190.0030.08321.00
5.6.180.0130.07321.04
5.6.170.0070.08021.16
5.6.160.0100.07021.11
5.6.150.0100.07321.05
5.6.140.0030.08321.05
5.6.130.0070.07321.00
5.6.120.0000.12321.07
5.6.110.0030.06321.02
5.6.100.0030.08021.09
5.6.90.0070.06720.99
5.6.80.0070.08320.39
5.6.70.0170.07320.38
5.6.60.0100.03720.44
5.6.50.0100.07320.52
5.6.40.0030.08020.43
5.6.30.0030.08020.45
5.6.20.0030.04020.40
5.6.10.0000.07320.28
5.6.00.0030.07720.42
5.5.360.0070.08320.54
5.5.350.0030.08720.41
5.5.340.0070.08020.93
5.5.330.0070.07320.91
5.5.320.0030.05020.79
5.5.310.0030.07720.93
5.5.300.0030.08320.60
5.5.290.0030.07020.88
5.5.280.0030.08320.82
5.5.270.0070.07720.86
5.5.260.0100.07720.79
5.5.250.0030.08720.45
5.5.240.0100.07320.24
5.5.230.0100.07720.29
5.5.220.0000.05020.29
5.5.210.0100.07020.24
5.5.200.0000.08019.98
5.5.190.0000.07020.13
5.5.180.0070.04720.11
5.5.160.0000.08020.21
5.5.150.0000.06320.17
5.5.140.0030.07720.13
5.5.130.0070.08020.26
5.5.120.0030.08020.26
5.5.110.0000.04320.21
5.5.100.0100.07720.04
5.5.90.0030.04020.08
5.5.80.0000.05020.15
5.5.70.0070.04019.99
5.5.60.0000.08020.14
5.5.50.0100.09020.14
5.5.40.0100.08020.10
5.5.30.0030.07319.93
5.5.20.0030.07019.91
5.5.10.0130.07020.08
5.5.00.0030.07719.95
5.4.450.0030.03719.36
5.4.440.0000.07319.36
5.4.430.0130.07319.35
5.4.420.0030.07719.37
5.4.410.0070.05319.24
5.4.400.0000.08018.95
5.4.390.0070.07018.90
5.4.380.0000.07719.03
5.4.370.0100.07019.09
5.4.360.0000.08719.23
5.4.350.0100.05719.02
5.4.340.0030.06719.05
5.4.320.0030.05719.14
5.4.310.0030.07719.03
5.4.300.0030.08019.09
5.4.290.0070.06318.85
5.4.280.0030.05319.09
5.4.270.0030.04719.22
5.4.260.0030.04318.94
5.4.250.0000.06319.20
5.4.240.0030.03718.84
5.4.230.0030.03719.15
5.4.220.0030.07718.86
5.4.210.0100.06319.12
5.4.200.0030.07318.84
5.4.190.0000.07719.11
5.4.180.0030.06019.21
5.4.170.0130.05019.01
5.4.160.0000.08319.11
5.4.150.0030.07319.03
5.4.140.0070.07016.41
5.4.130.0030.07016.40
5.4.120.0000.04716.36
5.4.110.0030.06016.51
5.4.100.0030.07316.50
5.4.90.0070.07016.50
5.4.80.0000.08016.53
5.4.70.0070.03316.45
5.4.60.0100.03016.36
5.4.50.0000.03716.36
5.4.40.0070.04716.34
5.4.30.0030.07316.43
5.4.20.0030.07316.43
5.4.10.0030.07016.46
5.4.00.0070.06715.90
5.3.290.0000.07714.75
5.3.280.0100.05014.64
5.3.270.0070.04014.59
5.3.260.0030.05014.61
5.3.250.0030.08014.64
5.3.240.0070.07014.71
5.3.230.0030.06314.71
5.3.220.0030.08014.62
5.3.210.0030.07314.52
5.3.200.0030.04014.61
5.3.190.0070.07014.61
5.3.180.0000.08014.54
5.3.170.0070.03714.47
5.3.160.0070.03314.53
5.3.150.0100.03014.53
5.3.140.0030.07314.68
5.3.130.0030.08314.67
5.3.120.0100.07714.46
5.3.110.0100.05314.46
5.3.100.0000.08014.03
5.3.90.0100.05714.07
5.3.80.0000.07713.93
5.3.70.0030.07014.14
5.3.60.0200.05713.97
5.3.50.0030.07713.87
5.3.40.0030.06314.05
5.3.30.0000.07313.95
5.3.20.0000.07713.61
5.3.10.0000.07313.70
5.3.00.0030.07313.75
5.2.170.0000.06712.20
5.2.160.0070.05312.20
5.2.150.0000.07712.20
5.2.140.0030.05712.20
5.2.130.0000.06012.20
5.2.120.0030.05012.20
5.2.110.0000.06312.20
5.2.100.0000.06012.20
5.2.90.0100.05312.20
5.2.80.0030.05012.20
5.2.70.0000.07012.20
5.2.60.0000.03312.20
5.2.50.0030.02712.20
5.2.40.0000.03312.20
5.2.30.0070.03312.20
5.2.20.0030.03712.20
5.2.10.0030.04312.20
5.2.00.0070.05712.20
5.1.60.0030.05012.20
5.1.50.0070.05012.20
5.1.40.0030.03012.20
5.1.30.0030.05012.20
5.1.20.0100.05012.20
5.1.10.0170.04012.20
5.1.00.0030.05312.20
5.0.50.0070.04012.20
5.0.40.0030.04312.20
5.0.30.0000.06312.20
5.0.20.0030.04312.20
5.0.10.0000.05012.20
5.0.00.0000.04312.20
4.4.90.0000.02312.20
4.4.80.0000.01712.20
4.4.70.0030.02712.20
4.4.60.0000.04012.20
4.4.50.0000.03012.20
4.4.40.0070.05012.20
4.4.30.0000.03712.20
4.4.20.0030.03312.20
4.4.10.0000.03312.20
4.4.00.0100.03312.20
4.3.110.0000.03712.20
4.3.100.0000.03312.20
4.3.90.0000.03312.20
4.3.80.0000.02712.20
4.3.70.0070.02312.20
4.3.60.0030.02312.20
4.3.50.0000.01712.20
4.3.40.0000.03712.20
4.3.30.0130.02312.20
4.3.20.0000.02712.20
4.3.10.0030.03312.20
4.3.00.0000.03312.20

preferences:
50.85 ms | 400 KiB | 5 Q