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 = $tmp[0][0]; #$z = utf8_encode($z); #$z = iconv(mb_detect_encoding($z, mb_detect_order(), true), "UTF-8", $z); #var_dump(mb_detect_encoding($z)); var_dump(strpos($data,$z));

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)
8.3.60.0110.00416.50
8.3.50.0110.00416.66
8.3.40.0070.01018.76
8.3.30.0070.00718.97
8.3.20.0040.00420.20
8.3.10.0080.00021.85
8.3.00.0000.00819.38
8.2.180.0130.01018.92
8.2.170.0090.00622.96
8.2.160.0140.00020.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00021.04
8.2.120.0080.00026.35
8.2.110.0060.00321.03
8.2.100.0080.00318.22
8.2.90.0030.00519.11
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0000.00818.03
8.2.50.0040.00418.10
8.2.40.0050.00320.61
8.2.30.0040.00419.36
8.2.20.0050.00218.13
8.2.10.0000.00818.14
8.2.00.0000.00718.06
8.1.280.0120.00625.92
8.1.270.0080.00022.19
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.87
8.1.230.0060.00619.07
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0000.01017.35
8.1.190.0050.00317.35
8.1.180.0020.00518.10
8.1.170.0040.00418.56
8.1.160.0030.00318.95
8.1.150.0040.00418.72
8.1.140.0040.00419.46
8.1.130.0030.00518.75
8.1.120.0000.00717.55
8.1.110.0070.00017.60
8.1.100.0000.00817.57
8.1.90.0050.00217.52
8.1.80.0000.00717.42
8.1.70.0000.00717.52
8.1.60.0030.00517.70
8.1.50.0000.00817.57
8.1.40.0000.00817.52
8.1.30.0070.00017.63
8.1.20.0080.00317.80
8.1.10.0000.00817.64
8.1.00.0030.00617.56
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0030.00318.35
8.0.270.0000.00817.23
8.0.260.0070.00016.86
8.0.250.0000.00617.05
8.0.240.0000.00717.03
8.0.230.0070.00017.00
8.0.220.0000.00716.97
8.0.210.0000.00716.85
8.0.200.0000.00717.04
8.0.190.0050.00317.09
8.0.180.0040.00416.88
8.0.170.0040.00417.00
8.0.160.0030.00516.99
8.0.150.0040.00416.87
8.0.140.0070.00016.92
8.0.130.0030.00313.32
8.0.120.0000.00716.90
8.0.110.0040.00417.05
8.0.100.0000.00717.03
8.0.90.0070.00016.95
8.0.80.0060.00916.96
8.0.70.0030.00516.84
8.0.60.0040.00416.92
8.0.50.0040.00417.01
8.0.30.0100.00817.22
8.0.20.0120.00917.42
8.0.10.0050.00316.93
8.0.00.0120.00616.61
7.4.330.0050.00015.55
7.4.320.0000.00716.72
7.4.300.0060.00016.59
7.4.290.0030.00616.64
7.4.280.0030.00616.54
7.4.270.0070.00016.71
7.4.260.0000.00716.65
7.4.250.0040.00416.69
7.4.240.0030.00316.68
7.4.230.0030.00316.49
7.4.220.0160.00316.76
7.4.210.0120.00416.77
7.4.200.0000.00716.54
7.4.160.0100.00916.59
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0130.00916.73
7.4.120.0140.00716.59
7.3.330.0050.00013.11
7.3.320.0050.00013.18
7.3.310.0030.00316.23
7.3.300.0000.00616.39
7.3.290.0100.00816.39
7.3.280.0080.01016.40
7.3.270.0070.01017.40
7.3.260.0100.00816.64
7.3.250.0100.00916.57
7.3.240.0120.00416.46
7.1.60.0220.00435.36

preferences:
61.48 ms | 401 KiB | 5 Q