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\}]+/'; #var_dump($x); #$x = '/\x\{0394\}\x\{03A6\}\x\{0393\}\x\{039B\}\x\{03A9\}\x\{03A0\}\x\{03A8\}\x\{03A3\}\x\{0398\}\x\{039E\}/'; $data = 'asdf‘‼'; $tmp = []; $result = preg_match($x,$data,$tmp); var_dump($result); var_dump($tmp);

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)
8.3.70.0060.00918.45
8.3.60.0130.00916.63
8.3.50.0060.00916.62
8.3.40.0070.00718.97
8.3.30.0070.00718.70
8.3.20.0080.00020.13
8.3.10.0040.00421.77
8.3.00.0040.00419.49
8.2.180.0100.01018.10
8.2.170.0110.00422.96
8.2.160.0100.00320.25
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00421.01
8.2.120.0070.00726.35
8.2.110.0040.00421.03
8.2.100.0070.00418.16
8.2.90.0080.00019.16
8.2.80.0000.00917.97
8.2.70.0090.00017.75
8.2.60.0000.00917.80
8.2.50.0040.00418.10
8.2.40.0000.00820.59
8.2.30.0000.00820.87
8.2.20.0000.00718.06
8.2.10.0050.00318.01
8.2.00.0030.00518.05
8.1.280.0070.01425.92
8.1.270.0080.00022.24
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.79
8.1.230.0100.00317.57
8.1.220.0080.00017.79
8.1.210.0030.00518.77
8.1.200.0030.00717.48
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0030.00620.46
8.1.160.0030.00319.05
8.1.150.0040.00418.83
8.1.140.0070.00019.46
8.1.130.0030.00318.83
8.1.120.0030.00317.58
8.1.110.0050.00317.52
8.1.100.0000.00717.55
8.1.90.0000.00717.42
8.1.80.0000.00717.43
8.1.70.0000.00717.41
8.1.60.0080.00017.67
8.1.50.0030.00517.62
8.1.40.0040.00417.60
8.1.30.0050.00317.66
8.1.20.0000.00817.73
8.1.10.0020.00517.56
8.1.00.0050.00217.66
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0030.00318.29
8.0.270.0050.00317.16
8.0.260.0050.00216.88
8.0.250.0070.00016.97
8.0.240.0070.00016.96
8.0.230.0030.00316.88
8.0.220.0070.00016.89
8.0.210.0050.00216.91
8.0.200.0030.00517.05
8.0.190.0000.00817.05
8.0.180.0040.00416.94
8.0.170.0000.00716.89
8.0.160.0000.00716.92
8.0.150.0040.00416.86
8.0.140.0000.00716.86
8.0.130.0030.00313.39
8.0.120.0040.00416.95
8.0.110.0040.00416.82
8.0.100.0000.00816.74
8.0.90.0000.00716.87
8.0.80.0100.00516.94
8.0.70.0000.00816.85
8.0.60.0080.00016.76
8.0.50.0000.00716.97
8.0.30.0120.00917.07
8.0.20.0090.01117.41
8.0.10.0000.00817.02
8.0.00.0100.01016.85
7.4.330.0030.00315.55
7.4.320.0070.00016.64
7.4.300.0070.00016.62
7.4.290.0040.00416.68
7.4.280.0050.00516.75
7.4.270.0030.00316.72
7.4.260.0000.00716.74
7.4.250.0040.00416.59
7.4.240.0040.00416.76
7.4.230.0030.00316.52
7.4.220.0070.01016.73
7.4.210.0080.01116.72
7.4.200.0070.00016.81
7.4.160.0040.01216.55
7.4.150.0120.00617.40
7.4.140.0110.00717.86
7.4.130.0090.01016.63
7.4.120.0080.01216.57
7.3.330.0020.00213.07
7.3.320.0060.00012.96
7.3.310.0080.00016.14
7.3.300.0030.00316.23
7.3.290.0070.00016.18
7.3.280.0080.00916.29
7.3.270.0110.01217.40
7.3.260.0130.00416.61
7.3.250.0100.00816.33
7.3.240.0080.00916.36
7.1.60.0370.01333.48

preferences:
42.96 ms | 401 KiB | 5 Q