3v4l.org

run code in 300+ PHP versions simultaneously
<?php #$x = '[^A-Za-z0-9 \r\n@£$¥èéùìòÇØøÅå\x\{0394\}\x\{03A6\}\x\{0393\}\x\{039B\}\x\{03A9\}\x\{03A0\}\x\{03A8\}\x\{03A3\}\x\{0398\}\x\{039E\}ÆæßÉ!"#$%&amp;\'\(\)*+,\-.\/:;\<\>&lt;=&gt;?¡ÄÖÑܧ¿äöñüà^\{\}\\\[~\]|\x\{20AC\}]+'; $x = '[^A-Za-z]'; $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)
8.3.70.0100.01016.50
8.3.60.0090.00916.75
8.3.50.0140.00316.62
8.3.40.0090.00618.61
8.3.30.0110.00418.76
8.3.20.0040.00420.46
8.3.10.0040.00421.89
8.3.00.0080.00019.13
8.2.180.0170.00316.63
8.2.170.0140.00022.96
8.2.160.0130.00020.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00421.10
8.2.120.0000.00726.35
8.2.110.0090.00321.04
8.2.100.0040.00818.03
8.2.90.0000.00819.21
8.2.80.0040.00417.97
8.2.70.0080.00317.63
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0040.00420.63
8.2.30.0040.00421.01
8.2.20.0070.00018.05
8.2.10.0080.00018.10
8.2.00.0000.00818.14
8.1.280.0100.00725.92
8.1.270.0050.00322.22
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0080.00024.15
8.1.230.0040.00719.23
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0030.00617.23
8.1.180.0050.00218.10
8.1.170.0040.00418.59
8.1.160.0040.00418.98
8.1.150.0030.00620.66
8.1.140.0000.00819.68
8.1.130.0040.00418.85
8.1.120.0030.00317.47
8.1.110.0040.00417.50
8.1.100.0060.00317.45
8.1.90.0050.00217.45
8.1.80.0030.00517.53
8.1.70.0000.00717.46
8.1.60.0040.00417.65
8.1.50.0000.00817.50
8.1.40.0000.00817.61
8.1.30.0030.00617.72
8.1.20.0040.00417.68
8.1.10.0000.00717.55
8.1.00.0080.00017.50
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0040.00418.48
8.0.270.0070.00017.28
8.0.260.0030.00316.75
8.0.250.0000.00716.98
8.0.240.0050.00317.04
8.0.230.0080.00316.95
8.0.220.0000.00716.94
8.0.210.0020.00516.93
8.0.200.0070.00017.02
8.0.190.0050.00317.07
8.0.180.0070.00016.97
8.0.170.0030.00316.89
8.0.160.0040.00416.98
8.0.150.0040.00416.83
8.0.140.0000.00816.90
8.0.130.0030.00313.39
8.0.120.0000.00716.92
8.0.110.0080.00016.98
8.0.100.0000.00716.91
8.0.90.0000.00716.82
8.0.80.0090.00616.89
8.0.70.0030.00616.82
8.0.60.0000.00817.05
8.0.50.0070.00017.02
8.0.30.0130.00617.21
8.0.20.0100.00917.41
8.0.10.0070.00016.92
8.0.00.0100.00716.73
7.4.330.0020.00215.55
7.4.320.0030.00316.66
7.4.300.0030.00316.47
7.4.290.0050.00316.55
7.4.280.0040.00416.65
7.4.270.0000.00716.61
7.4.260.0000.00716.55
7.4.250.0000.00716.53
7.4.240.0040.00416.61
7.4.230.0040.00416.48
7.4.220.0110.00716.69
7.4.210.0040.01016.73
7.4.200.0030.00316.62
7.4.160.0060.01116.50
7.4.150.0180.00617.40
7.4.140.0120.00717.86
7.4.130.0120.01216.38
7.4.120.0110.00916.40
7.3.330.0000.00613.03
7.3.320.0000.00513.10
7.3.310.0070.00016.21
7.3.300.0030.00316.22
7.3.290.0050.01116.20
7.3.280.0080.00916.21
7.3.270.0110.00917.40
7.3.260.0160.00416.37
7.3.250.0100.00916.45
7.3.240.0110.00816.21
7.1.70.0170.01615.19

preferences:
36.25 ms | 401 KiB | 5 Q