3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = []; for ($i = 0; $i < 300; $i++) { $pattern[] = "(?'group{$i}'{$i}$)"; } $fullPattern = '/' . implode('|', $pattern) . '/uix'; preg_match($fullPattern, '150', $matches); var_dump(isset($matches['group253'])); var_dump(isset($matches['group254'])); var_dump(isset($matches['group255'])); var_dump($matches['group150']); var_dump($matches['group151']);

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)
8.3.60.0100.00719.03
8.3.50.0100.00720.61
8.3.40.0030.01319.50
8.3.30.0000.02219.46
8.3.20.0030.00520.75
8.3.10.0050.00523.98
8.3.00.0000.00920.34
8.2.170.0100.00719.66
8.2.160.0090.00622.96
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00621.52
8.2.110.0040.00720.71
8.2.100.0080.00418.47
8.2.90.0000.00918.68
8.2.80.0060.00318.38
8.2.70.0040.00418.66
8.2.60.0090.00018.84
8.2.50.0030.00618.41
8.2.40.0040.00420.63
8.2.30.0030.00618.45
8.2.20.0030.00618.38
8.2.10.0060.00318.44
8.2.00.0080.00018.62
8.1.270.0060.00323.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00723.04
8.1.230.0080.00421.45
8.1.220.0030.00718.16
8.1.210.0090.00018.77
8.1.200.0070.00317.99
8.1.190.0030.00917.98
8.1.180.0060.00318.10
8.1.170.0040.00419.26
8.1.160.0030.00619.57
8.1.150.0040.00421.03
8.1.140.0060.00320.02
8.1.130.0000.00818.20
8.1.120.0030.00617.96
8.1.110.0030.00618.03
8.1.100.0080.00018.06
8.1.90.0020.01118.01
8.1.80.0070.00417.94
8.1.70.0000.00918.07
8.1.60.0030.00718.07
8.1.50.0060.00318.17
8.1.40.0030.00618.15
8.1.30.0070.00318.22
8.1.20.0070.00318.10
8.1.10.0060.00318.13
8.1.00.0060.00318.11
8.0.300.0070.00322.08
8.0.290.0060.00317.36
8.0.280.0040.00418.81
8.0.270.0000.00917.43
8.0.260.0060.00317.41
8.0.250.0080.00017.37
8.0.240.0020.00517.48
8.0.230.0040.00417.41
8.0.220.0040.00417.44
8.0.210.0020.00517.48
8.0.200.0020.00917.45
8.0.190.0090.00017.43
8.0.180.0030.00617.41
8.0.170.0060.00317.46
8.0.160.0030.00617.42
8.0.150.0060.00317.30
8.0.140.0030.00917.29
8.0.130.0030.00313.94
8.0.120.0000.01017.34
8.0.110.0000.00917.41
8.0.100.0030.00617.35
8.0.90.0060.00317.37
8.0.80.0060.01217.47
8.0.70.0040.00417.50
8.0.60.0030.00617.48
8.0.50.0030.00617.42
8.0.30.0090.01217.67
8.0.20.0110.01117.51
8.0.10.0000.00817.48
8.0.00.0110.00817.23
7.4.330.0030.00315.52
7.4.320.0040.00417.04
7.4.300.0000.00917.04
7.4.290.0030.00617.04
7.4.280.0040.00416.92
7.4.270.0030.00517.06
7.4.260.0050.00317.04
7.4.250.0030.00516.92
7.4.240.0050.00316.97
7.4.230.0050.00317.14
7.4.220.0090.01317.11
7.4.210.0070.01016.92
7.4.200.0000.00916.85
7.4.160.0070.01117.04
7.4.150.0050.01517.40
7.4.140.0100.01017.86
7.4.130.0060.01216.91
7.4.120.0120.00816.92
7.4.110.0140.01117.04
7.4.100.0030.01717.04
7.4.90.0160.00316.80
7.4.80.0160.00619.39
7.4.70.0130.00617.00
7.4.60.0060.01317.08
7.4.50.0070.01116.77
7.4.40.0120.01316.95
7.4.30.0150.00317.04
7.4.00.0110.00915.70
7.3.330.0050.00513.67
7.3.320.0000.00613.77
7.3.310.0030.00616.88
7.3.300.0030.00616.86
7.3.290.0090.01316.92
7.3.280.0090.01116.86
7.3.270.0060.02517.40
7.3.260.0120.00916.99
7.3.250.0090.01417.02
7.3.240.0120.00916.94
7.3.230.0120.00617.10
7.3.210.0060.01216.95
7.3.200.0150.00617.00
7.3.190.0070.01416.88
7.3.180.0030.02216.99
7.3.170.0110.01516.85
7.3.160.0040.01616.89
7.3.120.0060.01315.45
7.3.110.0020.01615.36
7.3.100.0050.01015.15
7.3.90.0020.01215.43
7.3.80.0070.01215.26
7.3.70.0030.01215.27
7.3.60.0030.01515.46
7.3.50.0070.01215.35
7.3.40.0050.00915.36
7.3.30.0060.01015.25
7.3.20.0020.01117.21
7.3.10.0020.01516.97
7.3.00.0090.00617.14
7.2.330.0030.01517.25
7.2.320.0110.00817.20
7.2.310.0030.01517.08
7.2.300.0150.00617.20
7.2.290.0100.01017.12
7.2.250.0030.01915.56
7.2.240.0050.01515.67
7.2.230.0080.01115.60
7.2.220.0080.00615.47
7.2.210.0080.00915.62
7.2.200.0080.00815.60
7.2.190.0100.00715.53
7.2.180.0050.01415.65
7.2.170.0050.00915.61
7.2.160.0000.01415.52
7.2.150.0040.00817.41
7.2.140.0090.00617.53
7.2.130.0090.00617.41
7.2.120.0070.00717.54
7.2.110.0130.00317.43
7.2.100.0130.00717.46
7.2.90.0030.00917.52
7.2.80.0090.00917.27
7.2.70.0030.01717.18
7.2.60.0030.01217.33
7.2.50.0090.00917.24
7.2.40.0030.01017.34
7.2.30.0070.01017.51
7.2.20.0070.01017.23
7.2.10.0070.00717.47
7.2.00.0050.01218.66
7.1.330.0030.01416.34
7.1.320.0080.00816.51
7.1.310.0030.01216.45
7.1.300.0080.00616.47
7.1.290.0060.00816.42
7.1.280.0040.01016.33
7.1.270.0070.00716.29
7.1.260.0060.00816.16
7.1.250.0030.01316.14
7.1.200.0030.01016.26
7.1.70.0040.00817.77
7.1.60.0110.00319.75
7.1.00.0130.07022.76
7.0.200.0270.00715.45
7.0.90.0830.00020.53
7.0.80.0730.00020.47
7.0.70.0870.00020.47
7.0.60.0870.00020.45
7.0.50.0900.00020.71
7.0.40.0870.00020.75
7.0.30.0930.00020.80
7.0.20.0830.00020.83
7.0.10.0900.00020.82
7.0.00.1100.00020.84
5.6.240.0900.00020.80
5.6.230.0830.00020.86
5.6.220.0730.00020.85
5.6.210.0870.00020.71
5.6.200.0900.00021.07
5.6.190.0700.00021.04
5.6.180.0700.00021.16
5.6.170.0770.00021.15
5.6.160.0770.00021.13
5.6.150.0730.00021.11
5.6.140.0770.00021.12
5.6.130.0700.00021.11
5.6.120.0700.00021.15
5.6.110.0730.00021.14
5.6.100.0700.00021.12
5.6.90.0830.00021.16
5.6.80.0770.00020.45
5.6.70.0700.00020.49
5.6.60.0670.00020.50
5.6.50.0670.00020.52
5.6.40.1070.00020.47
5.6.30.1000.00020.49
5.6.20.0670.00020.52
5.6.10.0830.00020.54
5.6.00.0670.00020.47

preferences:
52.18 ms | 400 KiB | 5 Q