3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = []; $reg = '/(?:^|(?:\s*\,\s*))([^\x00-\x20\(\)<>@\,;\:"\/\[\]\?\=\{\}\x7F]+)(?:\=(?:([^\x00-\x20\(\)<>@\,;\:"\/\[\]\?\=\{\}\x7F]+)|(?:"((?:[^"\]|\.)*)")))?/'; preg_match_all($reg, 'User-Agent, Accept', $matches, PREG_SET_ORDER); var_dump($matches); echo 'aaa'; var_dump('bb');

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)
8.3.40.0140.00718.78
8.3.30.0140.00718.84
8.3.20.0140.00322.07
8.3.10.0080.00423.66
8.3.00.0060.00920.90
8.2.170.0110.00722.96
8.2.160.0070.01120.27
8.2.150.0070.00724.18
8.2.140.0100.00724.66
8.2.130.0100.01019.57
8.2.120.0080.00026.35
8.2.110.0100.00019.21
8.2.100.0060.00618.22
8.2.90.0060.00317.50
8.2.80.0080.00018.91
8.2.70.0050.00318.03
8.2.60.0050.00318.16
8.2.50.0000.00818.10
8.2.40.0050.00319.30
8.2.30.0080.00019.12
8.2.20.0000.00718.07
8.2.10.0000.00719.20
8.2.00.0080.00019.42
8.1.270.0060.00918.71
8.1.260.0110.00726.35
8.1.250.0070.00028.09
8.1.240.0100.00722.05
8.1.230.0060.00618.96
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.23
8.1.190.0000.00816.98
8.1.180.0000.00818.10
8.1.170.0000.00918.59
8.1.160.0030.00318.89
8.1.150.0040.00418.84
8.1.140.0040.00420.73
8.1.130.0070.00020.19
8.1.120.0000.00817.40
8.1.110.0000.00717.39
8.1.100.0040.00417.46
8.1.90.0030.00617.39
8.1.80.0030.00717.38
8.1.70.0040.00417.35
8.1.60.0080.00017.52
8.1.50.0060.00317.30
8.1.40.0030.00617.51
8.1.30.0000.00817.52
8.1.20.0000.00817.59
8.1.10.0040.00417.59
8.1.00.0040.00417.36
8.0.300.0060.00318.77
8.0.290.0050.00316.88
8.0.280.0040.00418.46
8.0.270.0030.00517.27
8.0.260.0030.00318.46
8.0.250.0040.00416.88
8.0.240.0080.00016.97
8.0.230.0070.00016.86
8.0.220.0060.00016.88
8.0.210.0070.00016.90
8.0.200.0040.00416.95
8.0.190.0040.00416.90
8.0.180.0040.00416.93
8.0.170.0030.00616.95
8.0.160.0000.00716.97
8.0.150.0070.00016.91
8.0.140.0070.00016.84
8.0.130.0000.00613.34
8.0.120.0050.00316.96
8.0.110.0030.00316.68
8.0.100.0000.00716.77
8.0.90.0070.00016.89
8.0.80.0140.00516.85
8.0.70.0000.00816.90
8.0.60.0000.00816.93
8.0.50.0000.00717.02
8.0.30.0070.00917.17
8.0.20.0070.01917.40
8.0.10.0030.00516.97
8.0.00.0090.01516.91
7.4.330.0080.00015.55
7.4.320.0000.00616.61
7.4.300.0000.00616.62
7.4.290.0000.00716.46
7.4.280.0040.00416.46
7.4.270.0000.00716.60
7.4.260.0040.00416.51
7.4.250.0030.00316.58
7.4.240.0030.00316.45
7.4.230.0070.00016.59
7.4.220.0040.00416.52
7.4.210.0100.00716.57
7.4.200.0040.00416.51
7.4.160.0110.00716.51
7.4.140.0090.00917.86
7.4.130.0090.01516.39
7.4.120.0110.01116.59
7.4.110.0100.01016.64
7.4.100.0090.00916.54
7.4.90.0130.00416.44
7.4.80.0090.00619.39
7.4.70.0120.00416.35
7.4.60.0000.01516.42
7.4.50.0070.00716.56
7.4.40.0110.00816.32
7.4.00.0070.00714.61
7.3.330.0050.00013.03
7.3.320.0030.00313.00
7.3.310.0000.00716.20
7.3.300.0030.00316.29
7.3.290.0070.00016.31
7.3.280.0060.00916.31
7.3.260.0080.01016.34
7.3.240.0090.01016.44
7.3.230.0100.00616.39
7.3.210.0030.02016.38
7.3.200.0100.00716.28
7.3.190.0150.00516.42
7.3.180.0070.01116.39
7.3.170.0130.00316.29
7.3.160.0090.00616.41
7.3.10.0330.00815.50
7.3.00.0300.00815.41
7.2.330.0140.00316.41
7.2.320.0110.00716.48
7.2.310.0060.01216.69
7.2.300.0090.00916.46
7.2.290.0110.00816.54
7.2.130.0300.00815.40
7.2.120.0310.00615.76
7.2.110.0310.01016.01
7.2.100.0330.00715.67
7.2.90.0280.00715.58
7.2.80.0290.00615.87
7.2.70.0330.00515.82
7.2.60.0280.00915.55
7.2.50.0330.00815.47
7.2.40.0360.00815.58
7.2.30.0380.00815.79
7.2.20.0460.00715.61
7.2.10.0370.01415.71
7.2.00.0420.00815.85
7.1.250.0280.00614.59

preferences:
40.79 ms | 400 KiB | 5 Q