3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = '[a][b] [[abc][a][b]]'; echo preg_replace('~(\[\[(?:(?!\[\[|]]).|(?1))*]])(*SKIP)(*F)|\[([^][]*)]~s', '<$2>', $text);

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)
8.5.10.0110.00720.08
8.5.00.0120.00919.87
8.4.160.0180.00623.76
8.4.150.0020.00114.05
8.4.140.0100.01117.91
8.4.130.0040.00617.93
8.4.120.0140.00720.53
8.4.110.0120.00822.49
8.4.100.0130.00517.79
8.4.90.0110.00918.50
8.4.80.0060.00217.89
8.4.70.0060.01518.20
8.4.60.0120.00818.68
8.4.50.0110.00820.70
8.4.40.0080.00018.56
8.4.30.0040.00418.57
8.4.20.0160.00318.21
8.4.10.0060.01323.94
8.3.280.0130.00818.41
8.3.270.0120.00916.48
8.3.260.0050.00416.81
8.3.250.0050.00318.90
8.3.240.0130.00716.78
8.3.230.0110.00816.49
8.3.220.0110.00817.30
8.3.210.0090.00916.57
8.3.200.0050.00416.52
8.3.190.0110.00916.91
8.3.180.0110.00718.60
8.3.170.0070.00016.95
8.3.160.0120.00620.78
8.3.150.0060.01018.90
8.3.140.0120.00617.31
8.3.130.0040.00418.32
8.3.120.0040.00419.06
8.3.110.0160.00020.94
8.3.100.0060.00324.06
8.3.90.0040.00418.18
8.3.80.0030.00618.43
8.3.70.0060.01016.38
8.3.60.0120.00916.50
8.3.50.0120.00316.61
8.3.40.0070.00721.82
8.3.30.0120.00918.88
8.3.20.0050.00324.18
8.3.10.0050.00324.66
8.3.00.0000.00726.16
8.2.290.0120.00720.36
8.2.280.0090.01018.42
8.2.270.0000.00817.35
8.2.260.0090.00916.70
8.2.250.0080.00018.53
8.2.240.0120.00417.23
8.2.230.0040.00422.58
8.2.220.0100.00637.54
8.2.210.0040.00426.77
8.2.200.0030.00618.41
8.2.190.0070.00716.75
8.2.180.0070.01616.50
8.2.170.0150.00022.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00524.66
8.2.130.0030.00326.16
8.2.120.0080.00021.19
8.2.110.0090.00022.45
8.2.100.0090.00317.84
8.2.90.0060.00317.75
8.2.80.0030.00518.90
8.2.70.0000.00817.80
8.2.60.0060.00317.75
8.2.50.0000.00817.75
8.2.40.0170.00017.81
8.2.30.0160.00017.81
8.2.20.0160.00017.81
8.2.10.0080.00817.81
8.2.00.0110.00517.81
8.1.330.0140.00421.84
8.1.320.0120.00716.53
8.1.310.0040.00418.46
8.1.300.0000.01019.88
8.1.290.0060.00318.88
8.1.280.0150.00625.92
8.1.270.0070.00024.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00323.92
8.1.230.0090.00319.22
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0040.00417.25
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0060.01017.81
8.1.160.0100.00617.81
8.1.150.0120.00617.81
8.1.140.0130.00417.81
8.1.130.0110.00617.81
8.1.120.0080.01017.81
8.1.110.0120.00617.81
8.1.100.0120.00617.81
8.1.90.0080.00817.81
8.1.80.0170.00017.81
8.1.70.0130.00417.81
8.1.60.0170.00317.81
8.1.50.0130.00417.81
8.1.40.0080.00817.81
8.1.30.0120.00517.81
8.1.20.0180.00017.81
8.1.10.0060.01217.81
8.1.00.0130.00917.81
8.0.300.0070.00018.77
8.0.290.0050.00316.88
8.0.280.0140.00317.81
8.0.270.0150.00417.81
8.0.260.0100.00717.81
8.0.250.0080.00817.81
8.0.240.0110.00717.81
8.0.230.0160.00317.81
8.0.220.0150.00417.81
8.0.210.0180.00017.81
8.0.200.0100.01017.81
8.0.190.0140.00517.81
8.0.180.0070.01017.81
8.0.170.0180.00017.81
8.0.160.0120.00517.81
8.0.150.0130.00617.81
8.0.140.0160.00317.81
8.0.130.0130.00317.81
8.0.120.0120.00617.81
8.0.110.0170.00317.81
8.0.100.0090.00917.81
8.0.90.0210.00017.81
8.0.80.0110.00617.81
8.0.70.0110.00717.81
8.0.60.0120.00417.81
8.0.50.0180.00017.81
8.0.30.0110.00517.81
8.0.20.0150.00317.81
8.0.10.0110.00617.81

preferences:
107.12 ms | 403 KiB | 5 Q