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 = $tmp[0][0]; var_dump($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)
8.3.40.0140.00018.84
8.3.30.0070.00718.69
8.3.20.0000.00820.29
8.3.10.0050.00321.76
8.3.00.0090.00019.38
8.2.170.0140.00022.96
8.2.160.0090.00620.39
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00020.97
8.2.120.0050.00226.35
8.2.110.0060.00321.13
8.2.100.0040.00818.14
8.2.90.0040.00419.04
8.2.80.0040.00418.05
8.2.70.0000.00817.75
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0050.00320.42
8.2.30.0070.00019.29
8.2.20.0070.00018.10
8.2.10.0070.00018.02
8.2.00.0040.00417.96
8.1.270.0080.00023.92
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.88
8.1.230.0080.00419.04
8.1.220.0000.00917.76
8.1.210.0030.00518.77
8.1.200.0030.00617.22
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.01018.59
8.1.160.0000.00719.04
8.1.150.0040.00418.80
8.1.140.0050.00219.54
8.1.130.0030.00318.89
8.1.120.0040.00417.60
8.1.110.0080.00017.44
8.1.100.0020.00517.49
8.1.90.0040.00417.46
8.1.80.0070.00017.58
8.1.70.0030.00317.58
8.1.60.0000.00917.69
8.1.50.0000.00817.50
8.1.40.0040.00417.57
8.1.30.0000.00917.57
8.1.20.0090.00317.59
8.1.10.0000.00717.62
8.1.00.0040.00417.52
8.0.300.0080.00018.77
8.0.290.0000.00716.58
8.0.280.0030.00518.31
8.0.270.0000.00717.15
8.0.260.0040.00416.89
8.0.250.0000.00716.96
8.0.240.0000.00817.09
8.0.230.0040.00416.93
8.0.220.0000.00816.83
8.0.210.0030.00316.97
8.0.200.0000.00716.99
8.0.190.0050.00517.02
8.0.180.0030.00417.02
8.0.170.0070.00016.98
8.0.160.0030.00316.97
8.0.150.0050.00316.94
8.0.140.0040.00416.89
8.0.130.0000.00613.37
8.0.120.0000.00816.78
8.0.110.0080.00017.04
8.0.100.0000.00716.96
8.0.90.0000.00816.80
8.0.80.0070.01016.92
8.0.70.0040.00417.02
8.0.60.0040.00416.88
8.0.50.0030.00616.79
8.0.30.0080.00917.18
8.0.20.0100.00917.41
8.0.10.0000.00716.90
8.0.00.0100.00716.88
7.4.330.0000.00615.55
7.4.320.0030.00316.66
7.4.300.0030.00316.54
7.4.290.0030.00616.55
7.4.280.0030.00816.82
7.4.270.0070.00016.84
7.4.260.0030.00316.71
7.4.250.0090.00016.70
7.4.240.0000.00716.76
7.4.230.0000.00716.63
7.4.220.0090.00916.69
7.4.210.0070.00716.73
7.4.200.0040.00416.66
7.4.160.0080.01116.51
7.4.150.0070.01017.40
7.4.140.0080.01617.86
7.4.130.0130.01316.73
7.4.120.0120.00716.64
7.3.330.0050.00013.18
7.3.320.0030.00313.07
7.3.310.0040.00416.50
7.3.300.0030.00316.30
7.3.290.0050.00816.39
7.3.280.0090.00816.43
7.3.270.0000.01717.40
7.3.260.0110.01016.47
7.3.250.0070.01316.42
7.3.240.0100.00716.55
7.1.60.0270.00733.61

preferences:
38.92 ms | 400 KiB | 5 Q