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]+'; #$x = preg_quote($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)
8.3.60.0090.00916.50
8.3.50.0140.00016.27
8.3.40.0070.00718.58
8.3.30.0070.00718.51
8.3.20.0000.00920.35
8.3.10.0000.01121.91
8.3.00.0060.00319.25
8.2.180.0100.00716.50
8.2.170.0140.00322.96
8.2.160.0100.00320.26
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00820.93
8.2.120.0050.00326.35
8.2.110.0000.01122.21
8.2.100.0080.00417.70
8.2.90.0080.00019.09
8.2.80.0000.00817.97
8.2.70.0070.00317.38
8.2.60.0000.00717.80
8.2.50.0040.00418.10
8.2.40.0080.00020.47
8.2.30.0080.00020.95
8.2.20.0050.00217.93
8.2.10.0000.00718.07
8.2.00.0070.00018.05
8.1.280.0110.00725.92
8.1.270.0040.00421.94
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0050.00523.79
8.1.230.0000.01122.20
8.1.220.0000.00817.79
8.1.210.0030.00518.77
8.1.200.0040.00417.25
8.1.190.0050.00317.22
8.1.180.0020.00518.10
8.1.170.0000.00818.52
8.1.160.0030.00319.05
8.1.150.0000.00820.62
8.1.140.0030.00319.35
8.1.130.0030.00318.73
8.1.120.0000.00717.39
8.1.110.0040.00417.42
8.1.100.0050.00317.29
8.1.90.0030.00917.29
8.1.80.0000.00717.38
8.1.70.0040.00417.30
8.1.60.0030.00517.52
8.1.50.0000.00817.45
8.1.40.0040.00417.52
8.1.30.0000.00817.59
8.1.20.0080.00017.64
8.1.10.0040.00417.52
8.1.00.0040.00417.44
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.29
8.0.270.0000.00717.19
8.0.260.0080.00016.82
8.0.250.0030.00317.01
8.0.240.0000.00816.94
8.0.230.0030.00316.99
8.0.220.0040.00416.86
8.0.210.0040.00416.90
8.0.200.0000.00716.84
8.0.190.0000.00816.86
8.0.180.0030.00616.83
8.0.170.0030.00316.87
8.0.160.0070.00016.81
8.0.150.0080.00016.73
8.0.140.0000.00716.79
8.0.130.0050.00013.40
8.0.120.0080.00016.87
8.0.110.0030.00616.95
8.0.100.0000.00716.88
8.0.90.0040.00416.93
8.0.80.0030.01316.79
8.0.70.0000.00916.84
8.0.60.0020.00516.85
8.0.50.0030.00316.87
8.0.30.0090.01016.89
8.0.20.0100.01117.40
8.0.10.0040.00417.07
8.0.00.0070.01016.63
7.4.330.0050.00015.55
7.4.320.0030.00316.53
7.4.300.0030.00316.45
7.4.290.0000.00716.45
7.4.280.0070.00316.54
7.4.270.0030.00616.48
7.4.260.0030.00316.33
7.4.250.0080.00016.32
7.4.240.0070.00016.48
7.4.230.0030.00316.29
7.4.220.0090.00916.51
7.4.210.0100.00816.56
7.4.200.0000.00716.63
7.4.160.0060.00916.37
7.4.150.0030.01417.40
7.4.140.0090.01217.86
7.4.130.0060.01216.21
7.4.120.0150.00316.45
7.3.330.0000.00613.11
7.3.320.0000.00512.93
7.3.310.0030.00416.21
7.3.300.0060.00016.24
7.3.290.0000.00716.20
7.3.280.0060.01016.16
7.3.270.0100.01417.40
7.3.260.0120.01016.23
7.3.250.0110.01016.13
7.3.240.0120.00616.29
7.1.60.0220.00634.81

preferences:
38.2 ms | 400 KiB | 5 Q