3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = "/(?(DEFINE)(?<p1>BEGIN)(?<p2>END))((?&p1)|(?&p2))+/"; $subject = <<<EOF BEGIN something(); BEGIN if (false) echo "e"; END END EOF; $count = preg_match_all($pattern, $subject, $matches); var_dump($count, $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)
8.4.130.0110.01018.02
8.4.120.0050.00420.68
8.4.110.0110.00918.11
8.4.100.0150.00617.90
8.4.90.0120.00920.69
8.4.80.0110.01020.70
8.4.70.0100.00818.79
8.4.60.0150.00718.68
8.4.50.0100.01220.59
8.4.40.0100.01021.27
8.4.30.0100.01017.83
8.4.20.0060.00317.67
8.4.10.0090.00019.48
8.3.260.0090.00916.56
8.3.250.0150.00318.82
8.3.240.0120.00916.66
8.3.230.0100.00916.55
8.3.220.0060.00218.78
8.3.210.0080.00716.57
8.3.200.0040.00516.71
8.3.190.0050.00317.08
8.3.180.0100.01018.70
8.3.170.0040.00418.98
8.3.160.0000.01716.70
8.3.150.0070.01317.02
8.3.140.0070.00318.82
8.3.130.0060.00318.59
8.3.120.0060.00318.70
8.3.110.0130.00620.94
8.3.100.0130.00624.06
8.3.90.0030.00626.77
8.3.80.0070.00318.31
8.3.70.0090.00916.38
8.3.60.0140.00716.63
8.3.50.0150.00322.11
8.3.40.0040.01118.80
8.3.30.0150.00018.67
8.3.20.0060.00919.02
8.3.10.0080.00023.48
8.3.00.0060.00322.34
8.2.290.0130.00616.64
8.2.280.0090.01020.54
8.2.270.0070.01116.75
8.2.260.0030.00717.07
8.2.250.0070.00316.90
8.2.240.0030.00619.04
8.2.230.0120.00822.58
8.2.220.0130.00637.54
8.2.210.0060.01326.77
8.2.200.0070.00416.63
8.2.190.0150.00016.75
8.2.180.0120.00618.50
8.2.170.0110.00422.96
8.2.160.0030.01020.27
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00522.23
8.2.120.0040.00426.35
8.2.110.0030.00722.32
8.2.100.0110.00017.84
8.2.90.0040.00417.96
8.2.80.0040.00419.11
8.2.70.0040.00417.75
8.2.60.0100.00017.80
8.2.50.0000.00818.10
8.2.40.0030.00522.51
8.2.30.0000.00719.15
8.2.20.0070.00017.74
8.2.10.0070.00018.14
8.2.00.0090.00017.88
8.1.330.0040.00516.73
8.1.320.0080.01218.13
8.1.310.0000.00716.70
8.1.300.0090.00018.10
8.1.290.0110.00330.84
8.1.280.0120.00625.92
8.1.270.0100.00622.14
8.1.260.0030.00528.09
8.1.250.0040.00428.09
8.1.240.0060.00322.18
8.1.230.0070.00420.84
8.1.220.0050.00317.74
8.1.210.0040.00418.86
8.1.200.0040.00817.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0060.00318.70
8.1.160.0000.00722.19
8.1.150.0000.00718.86
8.1.140.0000.00719.47
8.1.130.0050.00317.57
8.1.120.0000.00717.44
8.1.110.0050.00317.50
8.1.100.0040.00417.56
8.1.90.0000.00717.60
8.1.80.0000.00717.61
8.1.70.0030.00517.53
8.1.60.0060.00317.57
8.1.50.0070.00317.49
8.1.40.0030.00617.62
8.1.30.0040.00417.75
8.1.20.0000.00817.63
8.1.10.0040.00417.64
8.1.00.0050.00317.57
8.0.300.0040.00420.09
8.0.290.0000.00816.88
8.0.280.0040.00418.46
8.0.270.0070.00017.34
8.0.260.0000.00717.02
8.0.250.0000.00816.98
8.0.240.0030.00617.09
8.0.230.0040.00417.16
8.0.220.0070.00016.99
8.0.210.0040.00416.99
8.0.200.0000.00717.15
8.0.190.0000.00816.99
8.0.180.0040.00417.07
8.0.170.0060.00317.12
8.0.160.0040.00416.99
8.0.150.0040.00416.99
8.0.140.0000.00717.05
8.0.130.0030.00313.41
8.0.120.0030.00517.01
8.0.110.0040.00416.95
8.0.100.0040.00417.03
8.0.90.0040.00416.93
8.0.80.0090.00616.94
8.0.70.0040.00417.09
8.0.60.0040.00416.90
8.0.50.0000.00716.92
8.0.30.0110.00917.35
8.0.20.0110.01217.40
8.0.10.0040.00317.10
8.0.00.0100.01116.76
7.4.330.0030.00315.08
7.4.320.0030.00316.68
7.4.300.0000.00616.64
7.4.290.0000.00816.78
7.4.280.0080.00016.71
7.4.270.0000.00816.75
7.4.260.0000.00816.72
7.4.250.0000.00816.68
7.4.240.0060.00316.75
7.4.230.0050.00216.55
7.4.220.0070.01116.72
7.4.210.0100.00716.80
7.4.200.0050.00216.88
7.4.160.0060.01016.60
7.4.150.0090.00917.40
7.4.140.0140.00317.86
7.4.130.0130.00916.58
7.4.120.0130.00816.52
7.4.110.0100.01016.71
7.4.100.0100.01316.76
7.4.90.0090.00916.48
7.4.80.0040.01619.39
7.4.70.0040.01616.58
7.4.60.0100.01416.72
7.4.50.0030.01316.69
7.4.40.0100.01316.50
7.4.30.0130.00816.43
7.4.00.0090.00914.93
7.3.330.0030.00313.10
7.3.320.0030.00313.18
7.3.310.0000.00816.33
7.3.300.0080.00016.39
7.3.290.0070.00916.30
7.3.280.0080.01016.33
7.3.270.0070.01117.40
7.3.260.0110.01116.41
7.3.250.0130.00716.41
7.3.240.0150.00516.44
7.3.230.0110.00816.39
7.3.210.0090.00916.56
7.3.200.0040.01216.29
7.3.190.0140.00316.45
7.3.180.0070.01016.49
7.3.170.0130.00616.32
7.3.160.0190.00416.34
7.2.330.0100.00816.39
7.2.320.0060.01016.38
7.2.310.0070.00916.48
7.2.300.0120.00616.69
7.2.290.0060.01316.55
7.2.60.0070.00717.02
7.2.00.0070.00719.46
7.1.200.0080.00315.49
7.1.70.0030.00717.21
7.1.60.0060.00617.13
7.1.00.0100.07022.42
7.0.200.0220.00615.01
7.0.100.0130.05320.07
7.0.90.1930.06019.98
7.0.80.0130.08020.00
7.0.70.0130.06020.00
7.0.60.0270.05020.03
7.0.50.0300.04720.40
7.0.40.0230.06020.45
7.0.30.0170.06720.39
7.0.20.0270.05320.28
7.0.10.0200.08320.32
7.0.00.0200.06720.32
5.6.250.0200.08020.84
5.6.240.0230.06720.82
5.6.230.0130.08320.63
5.6.220.0170.07020.63
5.6.210.0130.06020.60
5.6.200.0170.08321.09
5.6.190.0100.06321.02
5.6.180.0130.08321.08
5.6.170.0200.06721.08
5.6.160.0100.08721.12
5.6.150.0100.08721.17
5.6.140.0030.07021.09
5.6.130.0130.08321.16
5.6.120.0100.06721.02
5.6.110.0130.05721.11
5.6.100.0270.06021.05
5.6.90.0130.08021.07
5.6.80.0070.08320.49
5.6.70.0070.08720.57
5.6.60.0100.05320.45
5.6.50.0130.05720.48
5.6.40.0200.04320.44
5.6.30.0100.05320.42
5.6.20.0130.05320.52
5.6.10.0100.05320.43
5.6.00.0030.06020.39

preferences:
33.81 ms | 403 KiB | 5 Q