3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "#CAPTIONz"; $pattern = '/^#([A-Z]+)^/'; echo preg_match($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)
8.3.60.0000.01418.30
8.3.50.0150.00521.99
8.3.40.0100.00718.68
8.3.30.0140.00018.79
8.3.20.0040.00418.86
8.3.10.0070.00021.05
8.3.00.0080.00023.51
8.2.180.0140.00716.63
8.2.170.0150.00022.96
8.2.160.0030.01020.31
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.73
8.2.110.0070.00422.36
8.2.100.0060.00618.03
8.2.90.0040.00419.20
8.2.80.0040.00417.97
8.2.70.0030.00617.61
8.2.60.0090.00017.80
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0040.00419.78
8.2.20.0000.00817.66
8.2.10.0000.00717.76
8.2.00.0070.00017.75
8.1.280.0000.01425.92
8.1.270.0030.00523.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00322.47
8.1.230.0080.00320.96
8.1.220.0000.00718.77
8.1.210.0040.00418.90
8.1.200.0030.00617.50
8.1.190.0060.00317.39
8.1.180.0030.00518.10
8.1.170.0000.00918.66
8.1.160.0040.00418.76
8.1.150.0040.00418.72
8.1.140.0030.00517.41
8.1.130.0000.00717.81
8.1.120.0050.00217.57
8.1.110.0050.00317.46
8.1.100.0040.00417.56
8.1.90.0000.00717.54
8.1.80.0000.00717.50
8.1.70.0000.00717.40
8.1.60.0000.00817.54
8.1.50.0050.00217.43
8.1.40.0040.00417.59
8.1.30.0000.00817.58
8.1.20.0000.00817.67
8.1.10.0040.00417.55
8.1.00.0040.00417.66
8.0.300.0040.00419.82
8.0.290.0040.00417.16
8.0.280.0080.00018.41
8.0.270.0070.00017.16
8.0.260.0000.00816.97
8.0.250.0000.00717.11
8.0.240.0050.00317.05
8.0.230.0030.00416.91
8.0.220.0030.00316.95
8.0.210.0030.00516.89
8.0.200.0000.00717.04
8.0.190.0000.00717.10
8.0.180.0000.00817.00
8.0.170.0040.00416.88
8.0.160.0000.00716.95
8.0.150.0000.00816.87
8.0.140.0030.00616.76
8.0.130.0000.00613.35
8.0.120.0040.00416.98
8.0.110.0000.00817.07
8.0.100.0000.00816.94
8.0.90.0040.00416.89
8.0.80.0070.01016.94
8.0.70.0050.00316.84
8.0.60.0080.00017.03
8.0.50.0030.00516.91
8.0.30.0140.00917.14
8.0.20.0120.00617.40
8.0.10.0000.00716.99
8.0.00.0180.00716.98
7.4.330.0020.00314.92
7.4.320.0060.00016.66
7.4.300.0000.00616.53
7.4.290.0030.00316.74
7.4.280.0110.00016.71
7.4.270.0040.00416.64
7.4.260.0030.00313.41
7.4.250.0000.00816.53
7.4.240.0030.00316.80
7.4.230.0070.00016.66
7.4.220.0100.01016.64
7.4.210.0090.00616.76
7.4.200.0070.00016.83
7.4.190.0000.00716.91
7.4.160.0070.00916.60
7.4.150.0080.00917.40
7.4.140.0060.01117.86
7.4.130.0080.01216.68
7.4.120.0110.00516.74
7.4.110.0040.01416.82
7.4.100.0110.00716.72
7.4.90.0030.01616.70
7.4.80.0060.01219.37
7.4.70.0070.01116.50
7.4.60.0090.01616.72
7.4.50.0030.00316.57
7.4.40.0070.01022.27
7.4.30.0100.01116.76
7.4.00.0000.01314.87
7.3.330.0030.00313.02
7.3.320.0090.00013.00
7.3.310.0000.00716.38
7.3.300.0030.00316.32
7.3.290.0100.00616.23
7.3.280.0080.01016.33
7.3.270.0130.00917.40
7.3.260.0070.01318.24
7.3.250.0120.00616.35
7.3.240.0090.00816.28
7.3.230.0100.00916.43
7.3.210.0160.00616.74
7.3.200.0120.00619.39
7.3.190.0120.00416.61
7.3.180.0080.00816.39
7.3.170.0100.01316.28
7.3.160.0080.00816.40
7.3.120.0100.00314.87
7.2.330.0040.01416.61
7.2.320.0060.00916.57
7.2.310.0110.01116.55
7.2.300.0080.00816.56
7.2.290.0000.01716.67
7.2.60.0090.00616.81
7.2.00.0060.00919.46
7.1.200.0090.00615.79
7.1.100.0000.01318.05
7.1.70.0000.00716.96
7.1.60.0110.01419.40
7.1.50.0070.01416.78
7.1.00.0070.04722.53
7.0.200.0040.00416.80
7.0.140.0000.07722.09
7.0.70.0100.05719.88
7.0.60.0130.08019.88
7.0.50.0170.06720.30
7.0.40.0230.07320.18
7.0.30.0100.06320.13
7.0.20.0030.05720.02
7.0.10.0170.07320.01
7.0.00.0070.07020.04
5.6.280.0000.07721.11
5.6.220.0100.08020.48
5.6.210.0070.08320.60
5.6.200.0170.07020.95
5.6.190.0100.08020.95
5.6.180.0070.08721.05
5.6.170.0100.07321.13
5.6.160.0170.07021.01
5.6.150.0130.08321.07
5.6.140.0200.06720.95
5.6.130.0170.07320.93
5.6.120.0100.07720.88
5.6.110.0100.08321.03
5.6.100.0130.07020.92
5.6.90.0170.07321.11
5.6.80.0100.08020.32
5.6.70.0100.08020.43
5.6.60.0070.08020.47
5.6.50.0030.09320.48
5.6.40.0100.07720.45
5.6.30.0100.08020.37
5.6.20.0070.06020.37
5.6.10.0070.06320.43
5.6.00.0130.08020.41
5.5.360.0030.08720.45
5.5.350.0000.09320.42
5.5.340.0070.08020.77
5.5.330.0170.07720.82
5.5.320.0070.08720.79
5.5.310.0130.07720.72
5.5.300.0070.09720.76
5.5.290.0100.06320.78
5.5.280.0200.08020.72
5.5.270.0130.07020.89
5.5.260.0170.07320.90
5.5.250.0100.07320.41
5.5.240.0170.07720.25
5.5.230.0070.09020.10
5.5.220.0070.08020.01
5.5.210.0130.06720.22
5.5.200.0100.05020.11
5.5.190.0100.08020.03
5.5.180.0100.07320.11
5.5.160.0170.07319.98
5.5.150.0030.07020.20
5.5.140.0130.07320.22
5.5.130.0070.07719.98
5.5.120.0030.06719.98
5.5.110.0170.04320.20
5.5.100.0170.07020.04
5.5.90.0100.07320.05
5.5.80.0070.08020.15
5.5.70.0070.08320.14
5.5.60.0030.06720.05
5.5.50.0030.08320.07
5.5.40.0130.07320.09
5.5.30.0070.08020.14
5.5.20.0030.08720.12
5.5.10.0130.05320.04
5.5.00.0200.07020.09
5.4.450.0070.07019.23
5.4.440.0030.08019.44
5.4.430.0100.08319.28
5.4.420.0030.07019.14
5.4.410.0070.06719.18
5.4.400.0130.07019.15
5.4.390.0200.06318.94
5.4.380.0100.07718.90
5.4.370.0100.07318.95
5.4.360.0200.06718.98
5.4.350.0070.05718.95
5.4.340.0130.07718.90
5.4.320.0170.07019.05
5.4.310.0030.08019.06
5.4.300.0030.07718.81
5.4.290.0170.07019.16
5.4.280.0030.08319.05
5.4.270.0000.07019.02
5.4.260.0030.04019.03
5.4.250.0100.07719.13
5.4.240.0070.07718.78
5.4.230.0170.06318.93
5.4.220.0130.05018.94
5.4.210.0070.07718.89
5.4.200.0070.05719.05
5.4.190.0130.07719.02
5.4.180.0100.08318.89
5.4.170.0070.04719.05
5.4.160.0030.07319.00
5.4.150.0070.05019.04
5.4.140.0070.06016.34
5.4.130.0000.07016.28
5.4.120.0030.07316.33
5.4.110.0000.06716.40
5.4.100.0100.05016.33
5.4.90.0100.07316.21
5.4.80.0100.07716.24
5.4.70.0000.04016.22
5.4.60.0170.06316.40
5.4.50.0070.07716.22
5.4.40.0070.07316.24
5.4.30.0000.05016.28
5.4.20.0070.05316.39
5.4.10.0070.04716.40
5.4.00.0070.04315.71
5.3.290.0070.07714.51
5.3.280.0070.05314.58
5.3.270.0070.03714.54
5.3.260.0100.07714.58
5.3.250.0070.07714.43
5.3.240.0070.07314.60
5.3.230.0070.07714.45
5.3.220.0100.07014.52
5.3.210.0070.07714.57
5.3.200.0100.04314.55
5.3.190.0000.08314.47
5.3.180.0070.06014.54
5.3.170.0030.05014.52
5.3.160.0070.04314.55
5.3.150.0100.07314.47
5.3.140.0100.07014.38
5.3.130.0030.08014.48
5.3.120.0070.06314.36
5.3.110.0030.08314.49
5.3.100.0130.07013.89
5.3.90.0070.07314.02
5.3.80.0030.06313.99
5.3.70.0070.07313.79
5.3.60.0130.07013.94
5.3.50.0100.07313.93
5.3.40.0070.07013.88
5.3.30.0100.06313.66
5.3.20.0130.05313.45
5.3.10.0130.05313.61
5.3.00.0000.07713.62
5.2.170.0030.05712.19
5.2.160.0100.04312.19
5.2.150.0000.06712.19
5.2.140.0000.07012.19
5.2.130.0000.06312.19
5.2.120.0030.05012.19
5.2.110.0100.03312.19
5.2.100.0000.06312.19
5.2.90.0070.04712.19
5.2.80.0130.05712.19
5.2.70.0000.04012.19
5.2.60.0000.04012.19
5.2.50.0030.03012.19
5.2.40.0000.03312.19
5.2.30.0000.03312.19
5.2.20.0000.03012.19
5.2.10.0030.02712.19
5.2.00.0100.02712.19
5.1.60.0000.02712.19
5.1.50.0000.04012.19
5.1.40.0070.04312.19
5.1.30.0000.04012.19
5.1.20.0000.02712.19
5.1.10.0000.02712.19
5.1.00.0070.02012.19
5.0.50.0000.02012.19
5.0.40.0000.04012.19
5.0.30.0030.03312.19
5.0.20.0000.02012.19
5.0.10.0100.03312.19
5.0.00.0030.04012.19
4.4.90.0000.01712.19
4.4.80.0000.01712.19
4.4.70.0000.01712.19
4.4.60.0000.03012.19
4.4.50.0030.01312.19
4.4.40.0030.02312.19
4.4.30.0030.01312.19
4.4.20.0000.02012.19
4.4.10.0030.01312.19
4.4.00.0000.03012.19
4.3.110.0000.03012.19
4.3.100.0000.01712.19
4.3.90.0070.01312.19
4.3.80.0000.02712.19
4.3.70.0000.03012.19
4.3.60.0000.01712.19
4.3.50.0000.01712.19
4.3.40.0030.02312.19
4.3.30.0000.01712.19
4.3.20.0000.01712.19
4.3.10.0000.01712.19
4.3.00.0000.03312.19

preferences:
56.31 ms | 400 KiB | 5 Q