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 = $tmp[0][1]; #$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($z,$data));

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)
8.3.60.0140.00416.63
8.3.50.0130.00716.55
8.3.40.0000.01518.76
8.3.30.0070.00718.97
8.3.20.0000.00820.41
8.3.10.0080.00021.70
8.3.00.0080.00019.46
8.2.180.0110.01116.38
8.2.170.0040.01122.96
8.2.160.0130.00620.58
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0050.00321.18
8.2.120.0040.00426.35
8.2.110.0160.00321.18
8.2.100.0000.01118.22
8.2.90.0000.00819.19
8.2.80.0040.00418.04
8.2.70.0050.00317.75
8.2.60.0040.00418.04
8.2.50.0060.00318.10
8.2.40.0000.00820.61
8.2.30.0000.00719.14
8.2.20.0070.00018.04
8.2.10.0030.00517.93
8.2.00.0040.00417.97
8.1.280.0170.00325.92
8.1.270.0040.00422.14
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.87
8.1.230.0030.00919.14
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00817.35
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0080.00018.65
8.1.160.0000.00719.00
8.1.150.0040.00418.70
8.1.140.0030.00519.41
8.1.130.0000.00718.71
8.1.120.0050.00217.54
8.1.110.0000.00717.56
8.1.100.0040.00417.49
8.1.90.0000.00717.61
8.1.80.0000.00817.58
8.1.70.0040.00417.40
8.1.60.0040.00417.68
8.1.50.0000.00817.66
8.1.40.0090.00017.57
8.1.30.0000.00717.69
8.1.20.0060.00617.69
8.1.10.0070.00017.72
8.1.00.0000.00717.65
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0070.00017.16
8.0.260.0000.00616.93
8.0.250.0030.00316.97
8.0.240.0040.00417.07
8.0.230.0030.00316.90
8.0.220.0040.00417.02
8.0.210.0080.00017.00
8.0.200.0060.00017.03
8.0.190.0000.00817.00
8.0.180.0000.00817.01
8.0.170.0030.00316.95
8.0.160.0040.00316.87
8.0.150.0070.00016.99
8.0.140.0070.00016.91
8.0.130.0030.00313.32
8.0.120.0000.00716.93
8.0.110.0030.00516.83
8.0.100.0070.00016.86
8.0.90.0040.00416.98
8.0.80.0170.00316.91
8.0.70.0040.00416.80
8.0.60.0030.00517.03
8.0.50.0000.00716.84
8.0.30.0090.00817.28
8.0.20.0130.00917.40
8.0.10.0040.00417.05
8.0.00.0100.00716.73
7.4.330.0050.00015.55
7.4.320.0000.00616.65
7.4.300.0040.00416.75
7.4.290.0100.00016.55
7.4.280.0100.00016.55
7.4.270.0070.00016.65
7.4.260.0000.00716.75
7.4.250.0040.00416.69
7.4.240.0030.00316.72
7.4.230.0040.00416.75
7.4.220.0070.01116.77
7.4.210.0120.00316.75
7.4.200.0040.00416.70
7.4.160.0150.00316.66
7.4.150.0070.01117.40
7.4.140.0130.00817.86
7.4.130.0060.01816.66
7.4.120.0090.01116.74
7.3.330.0000.00513.07
7.3.320.0030.00413.21
7.3.310.0000.00716.20
7.3.300.0030.00316.26
7.3.290.0070.00716.42
7.3.280.0100.00616.39
7.3.270.0120.00617.40
7.3.260.0160.00216.60
7.3.250.0090.00816.57
7.3.240.0110.00616.54
7.1.60.0190.00635.25

preferences:
42.49 ms | 401 KiB | 5 Q