3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '[^A-Za-z\r\n@£$¥èéùìòÇØøÅå\u0394\u03A6\u0393\u039B\u03A9\u03A0\u03A8\u03A3\u0398\u039EÆæßÉ!"#$%&amp;\'()*+,\-./:;<>]'; $data = 'asdf‘‼asdf'; $tmp = []; $result = mb_ereg($x,$data,$tmp); var_dump($tmp); /* $result = preg_match_all($x,$data,$tmp); var_dump($tmp); $z = $tmp[0][1]; $y = strpos($data,$z); $q = substr($data,$y,3); var_dump($q); */

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)
8.3.60.0100.00718.55
8.3.50.0120.00316.13
8.3.40.0070.00718.55
8.3.30.0070.00718.76
8.3.20.0040.00420.16
8.3.10.0070.00022.03
8.3.00.0080.00019.25
8.2.180.0130.00718.41
8.2.170.0110.00422.96
8.2.160.0030.01020.59
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00021.05
8.2.120.0000.00726.35
8.2.110.0080.00321.09
8.2.100.0080.00418.21
8.2.90.0000.00819.22
8.2.80.0080.00018.04
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0000.00818.10
8.2.40.0030.00620.55
8.2.30.0040.00420.88
8.2.20.0000.00818.05
8.2.10.0050.00317.94
8.2.00.0050.00317.99
8.1.280.0110.00825.92
8.1.270.0030.00522.19
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00523.82
8.1.230.0000.01119.13
8.1.220.0030.00517.76
8.1.210.0000.00918.77
8.1.200.0070.00317.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0050.00318.43
8.1.160.0030.00619.12
8.1.150.0000.00718.94
8.1.140.0040.00419.56
8.1.130.0070.00018.89
8.1.120.0060.00317.49
8.1.110.0050.00217.52
8.1.100.0050.00317.41
8.1.90.0000.00717.50
8.1.80.0070.00017.43
8.1.70.0020.00517.41
8.1.60.0090.00017.63
8.1.50.0050.00317.57
8.1.40.0050.00317.54
8.1.30.0000.00717.68
8.1.20.0080.00017.68
8.1.10.0050.00217.59
8.1.00.0060.00317.51
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0030.00318.41
8.0.270.0090.00017.34
8.0.260.0030.00316.87
8.0.250.0030.00316.98
8.0.240.0030.00516.96
8.0.230.0000.01117.02
8.0.220.0040.00416.92
8.0.210.0000.00716.94
8.0.200.0030.00317.05
8.0.190.0080.00016.99
8.0.180.0020.00516.98
8.0.170.0000.00716.89
8.0.160.0030.00316.93
8.0.150.0000.00716.95
8.0.140.0050.00216.85
8.0.130.0030.00313.40
8.0.120.0000.00716.88
8.0.110.0040.00416.83
8.0.100.0040.00416.82
8.0.90.0050.00316.96
8.0.80.0030.01317.05
8.0.70.0000.00716.94
8.0.60.0040.00417.03
8.0.50.0040.00416.74
8.0.30.0070.01117.17
8.0.20.0130.00717.41
8.0.10.0070.00016.83
8.0.00.0070.01016.67
7.4.330.0050.00015.55
7.4.320.0060.00016.67
7.4.300.0000.00616.54
7.4.290.0040.00416.54
7.4.280.0040.00416.65
7.4.270.0030.00316.55
7.4.260.0000.00716.62
7.4.250.0000.00816.64
7.4.240.0050.00216.64
7.4.230.0040.00416.58
7.4.220.0140.00516.76
7.4.210.0030.01016.63
7.4.200.0030.00316.75
7.4.160.0120.00316.47
7.4.150.0030.01317.40
7.4.140.0120.00617.86
7.4.130.0210.00316.42
7.4.120.0100.00716.44
7.3.330.0000.00613.02
7.3.320.0030.00313.11
7.3.310.0070.00016.11
7.3.300.0000.00716.12
7.3.290.0080.00616.25
7.3.280.0100.00816.23
7.3.270.0110.00617.40
7.3.260.0130.00716.29
7.3.250.0090.00916.29
7.3.240.0110.00616.31
7.1.70.0200.01015.36

preferences:
34.6 ms | 400 KiB | 5 Q