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", $z); #var_dump(mb_detect_encoding($data)); $z = mb_convert_encoding($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)
8.3.40.0090.00618.83
8.3.30.0120.00318.94
8.3.20.0040.00420.38
8.3.10.0040.00423.53
8.3.00.0040.00419.50
8.2.170.0100.00522.96
8.2.160.0100.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00021.12
8.2.120.0080.00026.35
8.2.110.0060.00321.00
8.2.100.0060.00618.09
8.2.90.0080.00019.17
8.2.80.0050.00317.97
8.2.70.0090.00017.75
8.2.60.0040.00418.04
8.2.50.0080.00018.10
8.2.40.0040.00420.55
8.2.30.0040.00421.07
8.2.20.0050.00318.06
8.2.10.0060.00318.11
8.2.00.0040.00418.01
8.1.270.0080.00022.05
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.98
8.1.230.0090.00320.88
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0030.00520.50
8.1.160.0080.00018.95
8.1.150.0030.00520.68
8.1.140.0040.00419.49
8.1.130.0040.00418.95
8.1.120.0030.00617.60
8.1.110.0040.00417.63
8.1.100.0000.00717.47
8.1.90.0000.00717.59
8.1.80.0070.00017.48
8.1.70.0000.00717.59
8.1.60.0080.00017.64
8.1.50.0050.00317.72
8.1.40.0000.00817.67
8.1.30.0000.00717.70
8.1.20.0040.00417.71
8.1.10.0040.00417.65
8.1.00.0050.00317.64
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.46
8.0.270.0070.00017.32
8.0.260.0030.00316.92
8.0.250.0030.00316.97
8.0.240.0000.00817.12
8.0.230.0070.00417.00
8.0.220.0030.00317.00
8.0.210.0070.00016.87
8.0.200.0070.00017.10
8.0.190.0030.00617.05
8.0.180.0040.00417.04
8.0.170.0000.00717.04
8.0.160.0040.00417.04
8.0.150.0000.00817.06
8.0.140.0040.00416.96
8.0.130.0000.00513.50
8.0.120.0000.00816.97
8.0.110.0020.00516.88
8.0.100.0000.00716.86
8.0.90.0000.00716.90
8.0.80.0090.01016.99
8.0.70.0040.00416.86
8.0.60.0040.00417.10
8.0.50.0040.00417.02
8.0.30.0090.00817.17
8.0.20.0100.01317.40
8.0.10.0080.00016.94
8.0.00.0120.00617.12
7.4.330.0000.00515.55
7.4.320.0030.00316.70
7.4.300.0000.00816.68
7.4.290.0030.00316.81
7.4.280.0080.00016.69
7.4.270.0030.00316.85
7.4.260.0060.00316.68
7.4.250.0000.00716.67
7.4.240.0000.00816.57
7.4.230.0070.00016.88
7.4.220.0150.00616.73
7.4.210.0100.00316.75
7.4.200.0000.00716.79
7.4.160.0120.00516.75
7.4.150.0100.00717.40
7.4.140.0100.01217.86
7.4.130.0070.01516.71
7.4.120.0140.00716.72
7.3.330.0060.00013.32
7.3.320.0060.00013.30
7.3.310.0040.00416.28
7.3.300.0070.00016.40
7.3.290.0090.00716.49
7.3.280.0070.00916.48
7.3.270.0030.01317.40
7.3.260.0120.00716.85
7.3.250.0110.00616.59
7.3.240.0070.01016.44
7.1.60.0250.02035.25

preferences:
38.55 ms | 400 KiB | 5 Q