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,'`'); $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)
8.3.60.0120.00318.36
8.3.50.0080.00816.25
8.3.40.0090.00618.50
8.3.30.0070.00718.59
8.3.20.0000.00820.04
8.3.10.0030.00623.49
8.3.00.0030.00619.25
8.2.180.0190.00318.41
8.2.170.0110.00422.96
8.2.160.0100.00720.35
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0000.00720.90
8.2.120.0040.00426.35
8.2.110.0040.00720.89
8.2.100.0110.00017.72
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0070.00417.63
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0020.00520.59
8.2.30.0000.00720.84
8.2.20.0000.00818.06
8.2.10.0070.00017.98
8.2.00.0040.00417.93
8.1.280.0070.01425.92
8.1.270.0040.00423.70
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00324.00
8.1.230.0040.00719.16
8.1.220.0090.00017.78
8.1.210.0040.00418.77
8.1.200.0050.00517.36
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00418.58
8.1.160.0080.00019.09
8.1.150.0000.00720.48
8.1.140.0040.00419.45
8.1.130.0030.00318.83
8.1.120.0000.00717.32
8.1.110.0000.00717.29
8.1.100.0000.00717.38
8.1.90.0030.00717.30
8.1.80.0030.00417.38
8.1.70.0030.00317.26
8.1.60.0000.00717.54
8.1.50.0000.00817.43
8.1.40.0000.00717.50
8.1.30.0040.00417.59
8.1.20.0000.00717.59
8.1.10.0040.00417.53
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0030.00318.24
8.0.270.0000.00717.11
8.0.260.0000.00716.74
8.0.250.0030.00316.86
8.0.240.0040.00416.98
8.0.230.0000.00816.93
8.0.220.0000.00716.89
8.0.210.0030.00316.86
8.0.200.0070.00016.97
8.0.190.0030.00516.89
8.0.180.0030.00616.95
8.0.170.0070.00016.89
8.0.160.0000.00816.86
8.0.150.0000.00716.86
8.0.140.0040.00416.84
8.0.130.0030.00313.27
8.0.120.0000.00716.77
8.0.110.0040.00416.94
8.0.100.0030.00516.90
8.0.90.0040.00416.81
8.0.80.0090.00616.86
8.0.70.0040.00416.96
8.0.60.0000.00816.89
8.0.50.0000.00816.84
8.0.30.0070.01117.03
8.0.20.0120.00617.40
8.0.10.0050.00216.88
8.0.00.0140.00316.73
7.4.330.0050.00015.55
7.4.320.0030.00316.52
7.4.300.0000.00816.39
7.4.290.0060.00316.44
7.4.280.0020.00716.44
7.4.270.0000.00716.59
7.4.260.0000.00716.52
7.4.250.0070.00016.51
7.4.240.0070.00016.55
7.4.230.0030.00316.52
7.4.220.0100.01316.63
7.4.210.0080.00916.54
7.4.200.0000.00716.64
7.4.160.0090.00616.34
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0090.00916.60
7.4.120.0120.00716.45
7.3.330.0000.00612.95
7.3.320.0030.00313.09
7.3.310.0000.00616.29
7.3.300.0060.00016.03
7.3.290.0030.00316.14
7.3.280.0080.00816.18
7.3.270.0070.01317.40
7.3.260.0110.00616.27
7.3.250.0070.01116.34
7.3.240.0060.01016.28
7.1.60.0210.00934.89

preferences:
64.84 ms | 400 KiB | 5 Q