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\}]+'; $x = '[^A-Za-z@£$¥èéùìòÇØøÅå]'; $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)
8.3.60.0140.00416.74
8.3.50.0070.01116.38
8.3.40.0110.00418.67
8.3.30.0070.00718.52
8.3.20.0000.00820.50
8.3.10.0080.00021.91
8.3.00.0040.00419.38
8.2.180.0100.01016.75
8.2.170.0110.00422.96
8.2.160.0060.00920.58
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00421.06
8.2.120.0040.00426.35
8.2.110.0000.00821.06
8.2.100.0120.00018.09
8.2.90.0080.00019.22
8.2.80.0000.00917.97
8.2.70.0090.00017.48
8.2.60.0030.00618.03
8.2.50.0000.00918.10
8.2.40.0050.00320.55
8.2.30.0030.00720.91
8.2.20.0000.00817.96
8.2.10.0000.00818.12
8.2.00.0040.00418.05
8.1.280.0160.00325.92
8.1.270.0040.00422.27
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00423.92
8.1.230.0110.00019.19
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.00
8.1.190.0030.00517.23
8.1.180.0000.00718.10
8.1.170.0000.00818.68
8.1.160.0070.00019.02
8.1.150.0040.00418.95
8.1.140.0070.00019.62
8.1.130.0070.00018.86
8.1.120.0070.00017.52
8.1.110.0070.00017.47
8.1.100.0000.00717.53
8.1.90.0040.00417.54
8.1.80.0040.00417.50
8.1.70.0000.00717.47
8.1.60.0000.00817.65
8.1.50.0040.00417.54
8.1.40.0040.00417.52
8.1.30.0070.00017.73
8.1.20.0040.00417.73
8.1.10.0030.00517.64
8.1.00.0040.00417.43
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0040.00418.39
8.0.270.0040.00417.35
8.0.260.0000.00716.88
8.0.250.0000.00716.94
8.0.240.0040.00417.01
8.0.230.0100.00017.02
8.0.220.0070.00016.91
8.0.210.0030.00316.86
8.0.200.0000.00616.98
8.0.190.0030.00617.02
8.0.180.0080.00016.96
8.0.170.0070.00016.97
8.0.160.0080.00016.90
8.0.150.0080.00016.89
8.0.140.0050.00216.89
8.0.130.0030.00313.34
8.0.120.0030.00516.88
8.0.110.0030.00516.79
8.0.100.0040.00416.95
8.0.90.0000.00716.75
8.0.80.0120.01216.99
8.0.70.0000.00816.97
8.0.60.0000.00717.07
8.0.50.0070.00017.05
8.0.30.0170.00317.21
8.0.20.0120.00917.40
8.0.10.0070.00016.89
8.0.00.0070.01016.71
7.4.330.0000.00515.55
7.4.320.0000.00716.57
7.4.300.0000.00616.66
7.4.290.0060.00316.64
7.4.280.0050.00216.67
7.4.270.0030.00316.45
7.4.260.0090.00016.56
7.4.250.0040.00416.56
7.4.240.0030.00316.54
7.4.230.0000.00716.50
7.4.220.0060.01216.69
7.4.210.0060.00716.66
7.4.200.0070.00016.55
7.4.160.0110.00816.48
7.4.150.0150.00717.40
7.4.140.0120.00917.86
7.4.130.0170.00316.49
7.4.120.0100.01016.44
7.3.330.0060.00013.13
7.3.320.0020.00313.04
7.3.310.0000.00716.27
7.3.300.0000.00616.21
7.3.290.0090.00716.25
7.3.280.0070.01116.20
7.3.270.0090.00917.40
7.3.260.0140.00316.36
7.3.250.0130.00616.38
7.3.240.0100.00716.30
7.1.70.0130.00717.17

preferences:
40.54 ms | 401 KiB | 5 Q