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", $z); #var_dump(mb_detect_encoding($data)); $z = mb_convert_enconding($z,"UTF-8"); var_dump($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)
8.3.60.0140.00718.45
8.3.50.0070.00716.67
8.3.40.0100.00718.84
8.3.30.0090.00619.09
8.3.20.0070.00020.34
8.3.10.0050.00323.66
8.3.00.0040.00419.55
8.2.180.0140.00718.68
8.2.170.0080.00622.96
8.2.160.0040.01120.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00321.24
8.2.120.0090.00026.35
8.2.110.0080.00320.95
8.2.100.0000.01218.03
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0080.00017.88
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0080.00020.38
8.2.30.0080.00021.05
8.2.20.0040.00417.95
8.2.10.0030.00618.01
8.2.00.0000.00818.00
8.1.280.0100.01325.92
8.1.270.0070.00022.04
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00823.92
8.1.230.0040.00719.21
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0000.00918.10
8.1.170.0040.00420.32
8.1.160.0000.00718.91
8.1.150.0080.00020.63
8.1.140.0000.00719.46
8.1.130.0040.00418.85
8.1.120.0070.00017.54
8.1.110.0080.00017.49
8.1.100.0000.00717.59
8.1.90.0030.00417.45
8.1.80.0070.00017.45
8.1.70.0050.00217.55
8.1.60.0080.00017.70
8.1.50.0000.00817.56
8.1.40.0040.00417.70
8.1.30.0040.00417.77
8.1.20.0000.00817.69
8.1.10.0040.00417.77
8.1.00.0000.00717.54
8.0.300.0030.00718.77
8.0.290.0000.00816.75
8.0.280.0040.00418.31
8.0.270.0000.00717.13
8.0.260.0000.00716.96
8.0.250.0000.00716.96
8.0.240.0040.00417.07
8.0.230.0070.00317.06
8.0.220.0000.00616.93
8.0.210.0030.00317.05
8.0.200.0040.00417.07
8.0.190.0000.00816.99
8.0.180.0040.00417.12
8.0.170.0000.00817.05
8.0.160.0070.00017.03
8.0.150.0040.00416.98
8.0.140.0040.00416.96
8.0.130.0000.00513.53
8.0.120.0000.00717.01
8.0.110.0030.00517.04
8.0.100.0040.00416.99
8.0.90.0000.00817.04
8.0.80.0100.00717.07
8.0.70.0050.00216.89
8.0.60.0040.00417.08
8.0.50.0050.00317.04
8.0.30.0040.01217.42
8.0.20.0090.01717.40
8.0.10.0030.00517.10
8.0.00.0090.00916.84
7.4.330.0050.00015.55
7.4.320.0050.00216.65
7.4.300.0060.00016.80
7.4.290.0070.00016.82
7.4.280.0040.00416.63
7.4.270.0030.00316.71
7.4.260.0030.00516.71
7.4.250.0050.00316.63
7.4.240.0000.00716.73
7.4.230.0030.00316.84
7.4.220.0230.01416.82
7.4.210.0040.01116.79
7.4.200.0040.00416.89
7.4.160.0140.00616.65
7.4.150.0130.01017.40
7.4.140.0100.00817.86
7.4.130.0100.01016.78
7.4.120.0070.01416.69
7.3.330.0050.00013.26
7.3.320.0000.00513.31
7.3.310.0030.00316.41
7.3.300.0000.00616.46
7.3.290.0050.01316.45
7.3.280.0090.00816.47
7.3.270.0100.00717.40
7.3.260.0140.00416.47
7.3.250.0120.00616.50
7.3.240.0130.00616.53
7.1.60.0350.00435.23

preferences:
36.12 ms | 401 KiB | 5 Q