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\}]+/'; $data = 'asdf‘‼asdf'; $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)
8.3.60.0140.00716.50
8.3.50.0070.00716.64
8.3.40.0150.00018.97
8.3.30.0090.00618.79
8.3.20.0070.00020.16
8.3.10.0040.00421.73
8.3.00.0000.00819.38
8.2.180.0030.01516.88
8.2.170.0070.00722.96
8.2.160.0110.00420.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00321.07
8.2.120.0000.00826.35
8.2.110.0040.00421.03
8.2.100.0060.00618.21
8.2.90.0060.00319.28
8.2.80.0030.00517.97
8.2.70.0060.00517.75
8.2.60.0030.00517.80
8.2.50.0040.00418.10
8.2.40.0030.00620.65
8.2.30.0050.00321.06
8.2.20.0040.00417.95
8.2.10.0030.00518.07
8.2.00.0050.00318.04
8.1.280.0070.00725.92
8.1.270.0040.00422.16
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0080.00023.97
8.1.230.0080.00319.07
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0100.00017.35
8.1.190.0030.00617.23
8.1.180.0000.00718.10
8.1.170.0080.00020.49
8.1.160.0030.00619.02
8.1.150.0000.00720.55
8.1.140.0000.00719.54
8.1.130.0080.00018.71
8.1.120.0000.00717.57
8.1.110.0000.00817.39
8.1.100.0040.00417.41
8.1.90.0000.00817.52
8.1.80.0000.00817.42
8.1.70.0030.00317.43
8.1.60.0030.00617.55
8.1.50.0030.00517.58
8.1.40.0040.00417.67
8.1.30.0040.00417.71
8.1.20.0080.00017.79
8.1.10.0040.00417.68
8.1.00.0000.00717.50
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00718.39
8.0.270.0000.00717.13
8.0.260.0030.00316.88
8.0.250.0030.00316.98
8.0.240.0070.00017.05
8.0.230.0060.00316.89
8.0.220.0080.00016.84
8.0.210.0040.00417.00
8.0.200.0000.00617.00
8.0.190.0040.00416.98
8.0.180.0070.00017.04
8.0.170.0000.00716.90
8.0.160.0070.00017.06
8.0.150.0080.00016.79
8.0.140.0040.00416.84
8.0.130.0000.00513.40
8.0.120.0040.00416.92
8.0.110.0020.00516.99
8.0.100.0080.00016.84
8.0.90.0030.00516.91
8.0.80.0080.01317.00
8.0.70.0000.00716.95
8.0.60.0050.00217.01
8.0.50.0000.00816.76
8.0.30.0050.01117.31
8.0.20.0180.01217.43
8.0.10.0040.00416.98
8.0.00.0090.00916.73
7.4.330.0000.00515.55
7.4.320.0000.00616.64
7.4.300.0030.00316.66
7.4.290.0040.00716.62
7.4.280.0000.00716.52
7.4.270.0000.00716.70
7.4.260.0110.00016.63
7.4.250.0000.00716.59
7.4.240.0070.00016.77
7.4.230.0070.00016.62
7.4.220.0090.01316.76
7.4.210.0070.00716.63
7.4.200.0070.00016.49
7.4.160.0090.00716.42
7.4.150.0030.01617.40
7.4.140.0060.01417.86
7.4.130.0110.00816.73
7.4.120.0090.01016.65
7.3.330.0020.00213.14
7.3.320.0000.00513.21
7.3.310.0000.00716.45
7.3.300.0070.00016.36
7.3.290.0100.00716.38
7.3.280.0080.00916.41
7.3.270.0080.00917.40
7.3.260.0120.00516.61
7.3.250.0130.00616.43
7.3.240.0100.01116.45
7.1.60.0250.01335.25

preferences:
37.55 ms | 400 KiB | 5 Q