3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '/[^A-Za-z0-9 \r\n@£$¥èéùìòÇØøÅå\u0394_\u03A6\u0393\u039B\u03A9\u03A0\u03A8\u03A3\u0398\u039EÆæßÉ!"#$%&amp;\'()*+,\-.\/:;<>&lt;=&gt;?¡ÄÖÑܧ¿äöñüà^{}\\\[~\]|\u20AC]+/g'; #$x = preg_quote($x,'/'); #var_dump($x); $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)
8.3.60.0060.01216.75
8.3.50.0040.01116.26
8.3.40.0090.00918.57
8.3.30.0080.00818.54
8.3.20.0040.00420.21
8.3.10.0080.00021.83
8.3.00.0050.00319.01
8.2.180.0120.00616.63
8.2.170.0180.00022.96
8.2.160.0090.00620.23
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00421.13
8.2.120.0070.00026.35
8.2.110.0090.00020.33
8.2.100.0080.00417.85
8.2.90.0040.00418.22
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0050.00317.63
8.2.50.0000.00817.79
8.2.40.0030.00619.35
8.2.30.0040.00421.03
8.2.20.0040.00417.99
8.2.10.0070.00018.03
8.2.00.0070.00018.08
8.1.280.0030.01025.92
8.1.270.0040.00421.97
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.25
8.1.230.0060.00621.02
8.1.220.0050.00317.78
8.1.210.0000.00918.77
8.1.200.0000.00917.50
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00717.62
8.1.160.0040.00419.07
8.1.150.0000.00720.61
8.1.140.0050.00219.38
8.1.130.0070.00018.86
8.1.120.0000.00717.39
8.1.110.0040.00417.36
8.1.100.0070.00017.41
8.1.90.0000.00717.29
8.1.80.0040.00417.35
8.1.70.0050.00217.29
8.1.60.0110.00017.38
8.1.50.0000.00717.51
8.1.40.0040.00417.45
8.1.30.0050.00217.62
8.1.20.0000.00717.54
8.1.10.0000.00717.51
8.1.00.0040.00417.32
8.0.300.0040.00420.05
8.0.290.0080.00016.63
8.0.280.0000.00718.28
8.0.270.0060.00317.16
8.0.260.0000.00616.81
8.0.250.0030.00317.00
8.0.240.0000.00716.98
8.0.230.0040.00416.83
8.0.220.0000.00816.81
8.0.210.0070.00016.85
8.0.200.0000.00616.85
8.0.190.0000.00716.89
8.0.180.0070.00416.92
8.0.170.0000.00816.95
8.0.160.0000.00716.83
8.0.150.0000.00716.79
8.0.140.0000.00816.88
8.0.130.0050.00013.36
8.0.120.0040.00416.82
8.0.110.0050.00216.84
8.0.100.0050.00316.79
8.0.90.0050.00316.74
8.0.80.0070.01416.85
8.0.70.0040.00416.75
8.0.60.0070.00016.90
8.0.50.0000.00816.89
8.0.30.0060.01317.04
8.0.20.0130.00717.40
8.0.10.0000.00717.12
8.0.00.0100.00716.67
7.4.330.0050.00015.55
7.4.320.0060.00016.52
7.4.300.0060.00016.59
7.4.290.0080.00016.52
7.4.280.0080.00016.57
7.4.270.0030.00316.55
7.4.260.0000.00716.46
7.4.250.0000.00816.49
7.4.240.0000.00716.43
7.4.230.0030.00316.55
7.4.220.0090.01516.59
7.4.210.0060.00916.56
7.4.200.0000.00716.38
7.4.160.0060.00916.31
7.4.150.0110.00817.40
7.4.140.0140.00817.86
7.4.130.0090.01016.36
7.4.120.0060.01416.36
7.3.330.0050.00013.13
7.3.320.0030.00313.06
7.3.310.0000.00616.25
7.3.300.0040.00416.20
7.3.290.0060.00016.23
7.3.280.0100.00716.17
7.3.270.0100.00717.40
7.3.260.0090.01416.24
7.3.250.0110.00716.22
7.3.240.0130.00416.32
7.1.60.0100.01735.05

preferences:
43.14 ms | 401 KiB | 5 Q