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‘‼'; $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(html_encode($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)
8.3.60.0110.00718.56
8.3.50.0080.00816.17
8.3.40.0040.01119.13
8.3.30.0110.00318.96
8.3.20.0040.00420.30
8.3.10.0080.00023.56
8.3.00.0080.00019.38
8.2.180.0070.01816.75
8.2.170.0070.01122.96
8.2.160.0130.00720.53
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00421.00
8.2.120.0080.00026.35
8.2.110.0030.00620.93
8.2.100.0060.00618.03
8.2.90.0040.00419.10
8.2.80.0000.00917.97
8.2.70.0000.00917.63
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0060.00320.44
8.2.30.0000.00819.26
8.2.20.0000.00718.01
8.2.10.0040.00418.08
8.2.00.0050.00218.05
8.1.280.0160.00325.92
8.1.270.0000.00822.19
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00019.31
8.1.230.0090.00319.05
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0100.00017.35
8.1.190.0050.00317.25
8.1.180.0050.00318.10
8.1.170.0080.00020.43
8.1.160.0070.00019.04
8.1.150.0040.00418.83
8.1.140.0040.00419.55
8.1.130.0030.00318.74
8.1.120.0000.00717.54
8.1.110.0070.00017.45
8.1.100.0000.00717.54
8.1.90.0040.00417.59
8.1.80.0000.00717.58
8.1.70.0000.00717.58
8.1.60.0020.00517.64
8.1.50.0040.00417.71
8.1.40.0050.00317.75
8.1.30.0000.00817.82
8.1.20.0060.00617.80
8.1.10.0040.00417.77
8.1.00.0080.00017.65
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0040.00418.36
8.0.270.0030.00317.20
8.0.260.0030.00316.96
8.0.250.0080.00017.08
8.0.240.0000.00717.11
8.0.230.0030.00317.07
8.0.220.0030.00317.04
8.0.210.0000.00717.03
8.0.200.0040.00417.07
8.0.190.0000.00917.06
8.0.180.0050.00216.99
8.0.170.0040.00417.04
8.0.160.0040.00417.07
8.0.150.0060.00317.06
8.0.140.0000.00817.00
8.0.130.0050.00013.42
8.0.120.0040.00416.89
8.0.110.0000.00816.97
8.0.100.0000.00817.02
8.0.90.0040.00417.04
8.0.80.0100.00716.98
8.0.70.0000.00817.02
8.0.60.0000.00716.98
8.0.50.0070.00017.00
8.0.30.0110.00917.30
8.0.20.0080.01117.40
8.0.10.0040.00417.19
8.0.00.0090.00916.92
7.4.330.0000.00515.55
7.4.320.0000.00616.64
7.4.300.0040.00416.71
7.4.290.0060.00316.71
7.4.280.0000.01016.72
7.4.270.0070.00016.68
7.4.260.0070.00016.78
7.4.250.0030.00616.65
7.4.240.0000.00716.84
7.4.230.0030.00316.75
7.4.220.0160.00916.76
7.4.210.0070.00716.85
7.4.200.0030.00316.53
7.4.160.0050.01216.60
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0120.01416.63
7.4.120.0130.00916.66
7.3.330.0020.00213.37
7.3.320.0030.00313.30
7.3.310.0040.00416.48
7.3.300.0030.00316.42
7.3.290.0080.00816.46
7.3.280.0110.00816.46
7.3.270.0180.00017.40
7.3.260.0060.01216.52
7.3.250.0080.01016.49
7.3.240.0140.00616.47
7.1.60.0180.01335.45

preferences:
43.46 ms | 401 KiB | 5 Q