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)
8.3.60.0140.00716.75
8.3.50.0110.00716.59
8.3.40.0140.00318.67
8.3.30.0130.00318.67
8.3.20.0080.00019.94
8.3.10.0040.00421.76
8.3.00.0040.00419.13
8.2.180.0070.01016.50
8.2.170.0100.00722.96
8.2.160.0000.01520.38
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00021.18
8.2.120.0000.00726.35
8.2.110.0030.00722.11
8.2.100.0030.00917.83
8.2.90.0080.00018.94
8.2.80.0030.00517.97
8.2.70.0090.00317.25
8.2.60.0080.00018.04
8.2.50.0090.00018.10
8.2.40.0070.00020.41
8.2.30.0040.00420.85
8.2.20.0070.00017.90
8.2.10.0040.00417.93
8.2.00.0050.00217.93
8.1.280.0190.00325.92
8.1.270.0030.00522.04
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.86
8.1.230.0000.01122.11
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0080.00018.52
8.1.160.0030.00319.07
8.1.150.0040.00420.55
8.1.140.0040.00419.50
8.1.130.0040.00418.73
8.1.120.0040.00417.44
8.1.110.0030.00517.46
8.1.100.0030.00317.36
8.1.90.0030.00717.28
8.1.80.0040.00417.28
8.1.70.0070.00017.38
8.1.60.0070.00017.40
8.1.50.0000.00717.45
8.1.40.0070.00017.48
8.1.30.0000.00817.61
8.1.20.0000.00717.53
8.1.10.0000.00817.51
8.1.00.0040.00417.29
8.0.300.0000.00918.77
8.0.290.0040.00416.75
8.0.280.0070.00018.42
8.0.270.0020.00517.10
8.0.260.0000.00716.86
8.0.250.0030.00316.86
8.0.240.0020.00516.96
8.0.230.0000.00716.93
8.0.220.0070.00016.81
8.0.210.0000.00716.81
8.0.200.0030.00316.82
8.0.190.0040.00416.95
8.0.180.0080.00016.90
8.0.170.0030.00316.86
8.0.160.0040.00416.87
8.0.150.0000.00716.78
8.0.140.0030.00316.80
8.0.130.0050.00013.30
8.0.120.0050.00316.76
8.0.110.0070.00016.77
8.0.100.0000.00816.95
8.0.90.0030.00616.79
8.0.80.0060.00916.85
8.0.70.0040.00416.70
8.0.60.0000.00716.91
8.0.50.0040.00416.83
8.0.30.0100.00816.93
8.0.20.0160.01117.40
8.0.10.0070.00017.04
8.0.00.0060.01216.95
7.4.330.0000.00515.55
7.4.320.0000.00616.30
7.4.300.0030.00316.29
7.4.290.0110.00016.45
7.4.280.0030.00516.36
7.4.270.0070.00016.55
7.4.260.0120.00016.34
7.4.250.0040.00416.54
7.4.240.0000.00816.51
7.4.230.0030.00316.50
7.4.220.0160.00316.52
7.4.210.0100.00816.53
7.4.200.0020.00516.36
7.4.160.0090.00716.44
7.4.150.0140.00317.40
7.4.140.0140.00617.86
7.4.130.0120.01216.48
7.4.120.0100.01016.41
7.3.330.0000.00613.12
7.3.320.0050.00013.04
7.3.310.0000.00616.14
7.3.300.0000.00616.18
7.3.290.0030.00316.09
7.3.280.0080.00916.19
7.3.270.0120.00617.40
7.3.260.0120.00916.22
7.3.250.0120.00816.33
7.3.240.0080.00916.41
7.1.60.0190.00635.04

preferences:
35.77 ms | 400 KiB | 5 Q