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^{}\\\[~\]|\u20AC]+/'; #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)
8.3.60.0100.01016.63
8.3.50.0030.01216.28
8.3.40.0150.00018.65
8.3.30.0120.00318.59
8.3.20.0050.00320.34
8.3.10.0040.00421.77
8.3.00.0060.00319.25
8.2.180.0070.01016.38
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00421.12
8.2.120.0110.00426.35
8.2.110.0040.00721.04
8.2.100.0080.00318.03
8.2.90.0080.00019.25
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0040.00420.58
8.2.30.0030.00719.25
8.2.20.0070.00017.87
8.2.10.0040.00417.93
8.2.00.0040.00417.95
8.1.280.0140.00725.92
8.1.270.0040.00423.92
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0110.00417.42
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0090.00017.23
8.1.190.0000.00917.23
8.1.180.0050.00318.10
8.1.170.0080.00020.29
8.1.160.0000.00718.92
8.1.150.0000.00718.83
8.1.140.0040.00419.55
8.1.130.0070.00018.70
8.1.120.0040.00417.39
8.1.110.0000.00717.29
8.1.100.0050.00317.31
8.1.90.0000.00717.32
8.1.80.0040.00417.27
8.1.70.0000.00717.28
8.1.60.0030.00617.51
8.1.50.0000.00717.29
8.1.40.0030.00617.44
8.1.30.0070.00017.55
8.1.20.0000.00817.45
8.1.10.0050.00317.52
8.1.00.0040.00417.33
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00818.42
8.0.270.0030.00317.11
8.0.260.0030.00316.73
8.0.250.0030.00316.96
8.0.240.0000.00816.94
8.0.230.0000.00716.98
8.0.220.0000.00716.78
8.0.210.0040.00416.86
8.0.200.0000.00716.99
8.0.190.0080.00316.82
8.0.180.0030.00616.84
8.0.170.0050.00216.91
8.0.160.0060.00316.92
8.0.150.0000.00716.82
8.0.140.0040.00416.85
8.0.130.0050.00013.34
8.0.120.0000.00716.86
8.0.110.0000.00716.84
8.0.100.0000.00716.87
8.0.90.0030.00516.73
8.0.80.0130.00616.88
8.0.70.0030.00516.87
8.0.60.0040.00416.76
8.0.50.0040.00416.73
8.0.30.0120.00817.08
8.0.20.0090.00917.40
8.0.10.0000.00816.84
8.0.00.0140.00416.63
7.4.330.0060.00015.55
7.4.320.0000.00716.78
7.4.300.0060.00016.64
7.4.290.0000.00716.64
7.4.280.0000.01116.64
7.4.270.0000.00716.77
7.4.260.0000.00716.71
7.4.250.0030.00516.72
7.4.240.0050.00316.63
7.4.230.0000.00716.84
7.4.220.0190.00316.68
7.4.210.0100.00516.64
7.4.200.0040.00416.72
7.4.160.0070.00916.51
7.4.150.0130.00417.40
7.4.140.0110.00917.86
7.4.130.0090.00916.71
7.4.120.0130.00616.63
7.3.330.0060.00013.11
7.3.320.0030.00313.02
7.3.310.0000.00716.31
7.3.300.0000.00616.29
7.3.290.0070.00016.30
7.3.280.0080.00816.28
7.3.270.0140.00317.40
7.3.260.0080.00816.23
7.3.250.0120.00516.61
7.3.240.0130.00416.38
7.1.60.0180.00634.81

preferences:
43.33 ms | 401 KiB | 5 Q