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)
8.3.60.0110.00416.72
8.3.50.0120.01022.05
8.3.40.0110.00718.88
8.3.30.0110.00319.04
8.3.20.0040.00420.31
8.3.10.0040.00423.70
8.3.00.0030.00617.77
8.2.180.0060.00916.50
8.2.170.0110.00322.96
8.2.160.0070.00720.39
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00921.09
8.2.110.0030.00622.32
8.2.100.0110.00018.09
8.2.90.0030.00519.08
8.2.80.0030.00617.97
8.2.70.0040.00417.61
8.2.60.0030.00618.04
8.2.50.0030.00618.07
8.2.40.0040.00418.16
8.2.30.0000.00818.27
8.2.20.0080.00017.89
8.2.10.0040.00417.89
8.2.00.0040.00417.80
8.1.280.0120.00325.92
8.1.270.0060.00323.81
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.20
8.1.230.0080.00319.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0040.00417.25
8.1.180.0030.00618.10
8.1.170.0030.00518.63
8.1.160.0040.00422.02
8.1.150.0070.00018.86
8.1.140.0040.00417.49
8.1.130.0030.00517.85
8.1.120.0040.00417.48
8.1.110.0040.00417.53
8.1.100.0040.00417.43
8.1.90.0030.00317.53
8.1.80.0040.00317.53
8.1.70.0040.00417.43
8.1.60.0000.00917.69
8.1.50.0040.00417.66
8.1.40.0040.00417.50
8.1.30.0060.00317.76
8.1.20.0040.00417.73
8.1.10.0040.00417.61
8.1.00.0030.00517.58
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.37
8.0.270.0000.00717.19
8.0.260.0030.00317.16
8.0.250.0000.00717.09
8.0.240.0080.00016.96
8.0.230.0040.00416.92
8.0.220.0070.00016.93
8.0.210.0000.00616.89
8.0.200.0090.00017.04
8.0.190.0000.00716.98
8.0.180.0030.00517.02
8.0.170.0030.00516.88
8.0.160.0000.00716.94
8.0.150.0040.00816.80
8.0.140.0030.00516.88
8.0.130.0070.00213.41
8.0.120.0070.00016.98
8.0.110.0000.00716.98
8.0.100.0040.00416.86
8.0.90.0040.00416.96
8.0.80.0110.01016.95
8.0.70.0040.00416.92
8.0.60.0070.00017.08
8.0.50.0000.00716.95
8.0.30.0150.00417.33
8.0.20.0130.00617.40
8.0.10.0050.00316.96
8.0.00.0120.00516.98
7.4.330.0050.00015.14
7.4.320.0000.00616.72
7.4.300.0030.00316.75
7.4.290.0050.00216.73
7.4.280.0080.00016.63
7.4.270.0000.00716.55
7.4.260.0070.00316.57
7.4.250.0000.00716.59
7.4.240.0000.00716.62
7.4.230.0070.00016.48
7.4.220.0130.01016.80
7.4.210.0100.01016.76
7.4.200.0030.00416.57
7.4.160.0090.00616.56
7.4.150.0090.01217.40
7.4.140.0040.01317.86
7.4.130.0130.00616.56
7.4.120.0080.00916.69
7.4.110.0070.01016.73
7.4.100.0090.00916.57
7.4.90.0070.01016.66
7.4.80.0130.00719.39
7.4.70.0140.00616.51
7.4.60.0090.00916.60
7.4.50.0000.00516.50
7.4.40.0070.01716.59
7.4.30.0080.00816.62
7.4.00.0070.01015.16
7.3.330.0000.00513.21
7.3.320.0050.00013.00
7.3.310.0000.00716.36
7.3.300.0030.00316.30
7.3.290.0030.01116.20
7.3.280.0120.00416.28
7.3.270.0100.00717.40
7.3.260.0110.01016.39
7.3.250.0150.00316.61
7.3.240.0130.00516.25
7.3.230.0080.00816.41
7.3.210.0100.00716.28
7.3.200.0120.00319.39
7.3.190.0070.01016.54
7.3.180.0030.01316.39
7.3.170.0100.01016.39
7.3.160.0120.00316.68
7.3.120.0060.00914.59
7.3.10.0110.00316.71
7.3.00.0070.00816.56
7.2.330.0140.00316.44
7.2.320.0120.00916.50
7.2.310.0170.00716.66
7.2.300.0110.00616.64
7.2.290.0120.00316.73
7.2.130.0110.00316.93
7.2.120.0100.00616.50
7.2.110.0090.01216.92
7.2.100.0100.00316.62
7.2.90.0030.00916.92
7.2.80.0000.01816.98
7.2.70.0040.01016.96
7.2.60.0130.01116.60
7.2.50.0140.00317.04
7.2.40.0120.00016.99
7.2.30.0030.01017.08
7.2.20.0040.01216.99
7.2.10.0090.00316.92
7.2.00.0050.00618.30
7.1.250.0070.00715.92
7.1.100.0040.00418.21
7.1.70.0070.00717.27
7.1.60.0130.01319.70
7.1.50.0060.01617.10
7.1.00.0030.07322.30
7.0.200.0000.00716.89
7.0.140.0100.06321.96
7.0.60.0130.04019.93
7.0.50.0000.04317.84
7.0.40.0030.09020.21
7.0.30.0270.04020.19
7.0.20.0270.07720.19
7.0.10.0070.08720.21
7.0.00.0130.08720.21
5.6.280.0100.06321.08
5.6.210.0030.08720.52
5.6.200.0030.08718.16
5.6.190.0030.07720.64
5.6.180.0300.07720.61
5.6.170.0270.05020.48
5.6.160.0100.05720.44
5.6.150.0030.06018.08
5.6.140.0070.08018.18
5.6.130.0030.08318.20
5.6.120.0130.07021.03
5.6.110.0170.07720.98
5.6.100.0100.05721.00
5.6.90.0100.07021.11
5.6.80.0130.06020.53
5.5.350.3330.03720.46
5.5.340.0100.07317.95
5.5.330.0170.06320.16
5.5.320.0270.08020.25
5.5.310.0230.07720.20
5.5.300.0000.07017.91
5.5.290.0070.08017.96
5.5.280.0030.08320.64
5.5.270.0030.04720.86
5.5.260.0030.06020.63
5.5.250.0130.08320.68
5.5.240.0200.03020.27
5.4.450.0170.04719.48
5.4.440.0370.06319.42
5.4.430.0330.04719.40
5.4.420.0230.04719.24
5.4.410.0330.06719.27
5.4.400.0300.04019.07
5.4.390.0270.03319.13
5.4.380.0300.07019.16
5.4.370.0330.06319.08
5.4.360.0270.05019.10
5.4.350.0200.04018.78
5.4.340.0230.07319.09
5.4.320.0370.06319.07
5.4.310.0270.05318.92
5.4.300.0300.04319.13
5.4.290.0130.04718.90
5.4.280.0270.05318.77
5.4.270.0300.06319.09
5.4.260.0370.03718.77
5.4.250.0230.07719.24
5.4.240.0200.04019.05
5.4.230.0200.03719.21
5.4.220.0370.06318.79
5.4.210.0330.07019.07
5.4.200.0330.07019.08
5.4.190.0270.07719.07
5.4.180.0330.04019.05
5.4.170.0330.07318.94
5.4.160.0370.05319.06
5.4.150.0270.03718.75
5.4.140.0270.04316.27
5.4.130.0200.04316.31
5.4.120.0230.05316.35
5.4.110.0300.05316.23
5.4.100.0300.06016.43
5.4.90.0230.06716.41
5.4.80.0470.01716.39
5.4.70.0200.03316.41
5.4.60.0200.07316.43
5.4.50.0200.09016.47
5.4.40.0230.04016.36
5.4.30.0270.07016.18
5.4.20.0300.06316.24
5.4.10.0230.07016.19
5.4.00.0230.05315.89
5.3.290.0200.06014.61
5.3.280.0300.06014.52
5.3.270.0200.04314.47
5.3.260.0270.06014.46
5.3.250.0130.05314.48
5.3.240.0200.07314.69
5.3.230.0170.07714.58
5.3.220.0170.06314.51
5.3.210.0200.04014.40
5.3.200.0230.07014.41
5.3.190.0230.04714.66
5.3.180.0270.07014.51
5.3.170.0230.04314.39
5.3.160.0230.03714.39
5.3.150.0200.03714.39
5.3.140.0170.07714.40
5.3.130.0200.05014.40
5.3.120.0200.06014.49
5.3.110.0270.06314.42
5.3.100.0230.05013.97
5.3.90.0200.03713.92
5.3.80.0270.06313.92
5.3.70.0200.07313.79
5.3.60.0200.07313.88
5.3.50.0270.06713.93
5.3.40.0400.03313.80
5.3.30.0230.07013.74
5.3.20.0200.07713.64
5.3.10.0230.06013.70
5.3.00.0200.06713.54
5.2.170.0230.05712.25
5.2.160.0200.05312.25
5.2.150.0130.04312.25
5.2.140.0130.03012.25
5.2.130.0200.05012.25
5.2.120.0230.04312.25
5.2.110.0170.03312.25
5.2.100.0130.03012.25
5.2.90.0230.06012.25
5.2.80.0170.02712.25
5.2.70.0170.05712.25
5.2.60.0200.05712.25
5.2.50.0230.02012.25
5.2.40.0200.04312.25
5.2.30.0200.05312.25
5.2.20.0200.03012.25
5.2.10.0200.04712.25
5.2.00.0130.03012.25
5.1.60.0170.05312.25
5.1.50.0200.04312.25
5.1.40.0170.05012.25
5.1.30.0200.05312.25
5.1.20.0200.05012.25
5.1.10.0230.05012.25
5.1.00.0170.04012.25
5.0.50.0070.04012.25
5.0.40.0100.04312.25
5.0.30.0100.06012.25
5.0.20.0070.03312.25
5.0.10.0100.02712.25
5.0.00.0100.03012.25
4.4.90.0070.03012.25
4.4.80.0130.01312.25
4.4.70.0070.02012.25
4.4.60.0100.03312.25
4.4.50.0070.03312.25
4.4.40.0100.04012.25
4.4.30.0070.02712.25
4.4.20.0100.01712.25
4.4.10.0030.02312.25
4.4.00.0130.04312.25
4.3.110.0070.01712.25
4.3.100.0070.01312.25
4.3.90.0100.03312.25
4.3.80.0130.04312.25
4.3.70.0070.03012.25
4.3.60.0070.01312.25
4.3.50.0130.03012.25
4.3.40.0100.05012.25
4.3.30.0030.02712.25
4.3.20.0070.02712.25
4.3.10.0070.03012.25
4.3.00.0000.04012.25

preferences:
43.01 ms | 401 KiB | 5 Q