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^{}\\\[~\]|\x\{20AC\}]+/'; $data = 'asdf‘‼'; $tmp = []; $result = preg_match_all($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)
8.3.60.0090.00618.43
8.3.50.0090.00616.28
8.3.40.0090.00518.90
8.3.30.0070.00718.79
8.3.20.0000.00720.30
8.3.10.0000.00823.71
8.3.00.0060.00319.14
8.2.180.0110.00318.66
8.2.170.0060.00922.96
8.2.160.0080.00620.45
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00421.07
8.2.120.0050.00226.35
8.2.110.0090.00022.42
8.2.100.0110.00017.96
8.2.90.0030.00519.13
8.2.80.0000.00917.97
8.2.70.0030.00517.60
8.2.60.0000.00818.04
8.2.50.0080.00018.10
8.2.40.0040.00420.45
8.2.30.0030.00520.90
8.2.20.0050.00218.07
8.2.10.0040.00418.12
8.2.00.0030.00518.06
8.1.280.0100.01025.92
8.1.270.0040.00422.19
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0080.00023.84
8.1.230.0110.00017.64
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0050.00317.13
8.1.180.0050.00218.10
8.1.170.0000.00820.26
8.1.160.0000.00719.04
8.1.150.0070.00018.75
8.1.140.0040.00419.45
8.1.130.0030.00318.89
8.1.120.0040.00417.51
8.1.110.0000.00717.59
8.1.100.0040.00417.53
8.1.90.0000.00817.52
8.1.80.0040.00417.55
8.1.70.0030.00317.41
8.1.60.0000.00817.54
8.1.50.0000.00817.58
8.1.40.0040.00417.56
8.1.30.0000.00717.80
8.1.20.0040.00417.69
8.1.10.0000.00817.68
8.1.00.0040.00417.55
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.40
8.0.270.0030.00317.12
8.0.260.0030.00316.89
8.0.250.0030.00317.02
8.0.240.0020.00516.94
8.0.230.0000.00717.02
8.0.220.0000.00716.84
8.0.210.0000.00716.92
8.0.200.0040.00417.02
8.0.190.0040.00416.90
8.0.180.0000.00717.03
8.0.170.0000.00716.94
8.0.160.0000.00817.00
8.0.150.0080.00016.91
8.0.140.0050.00316.87
8.0.130.0000.00613.39
8.0.120.0050.00216.89
8.0.110.0040.00416.78
8.0.100.0030.00516.82
8.0.90.0000.00716.85
8.0.80.0040.01316.95
8.0.70.0070.00016.95
8.0.60.0000.00817.08
8.0.50.0040.00416.79
8.0.30.0050.01517.22
8.0.20.0120.00817.40
8.0.10.0040.00417.07
8.0.00.0100.01016.64
7.4.330.0050.00015.55
7.4.320.0000.00716.56
7.4.300.0060.00016.67
7.4.290.0050.00316.68
7.4.280.0070.00416.69
7.4.270.0000.00816.69
7.4.260.0030.00316.67
7.4.250.0040.00416.57
7.4.240.0040.00316.71
7.4.230.0000.00716.71
7.4.220.0130.01316.64
7.4.210.0080.00716.76
7.4.200.0000.00716.85
7.4.160.0070.01016.60
7.4.150.0080.01317.40
7.4.140.0090.01017.86
7.4.130.0060.01216.32
7.4.120.0120.00716.60
7.3.330.0030.00313.10
7.3.320.0000.00513.23
7.3.310.0070.00016.27
7.3.300.0030.00316.34
7.3.290.0030.00316.24
7.3.280.0080.01016.26
7.3.270.0080.00817.40
7.3.260.0130.00716.52
7.3.250.0130.00616.36
7.3.240.0120.00416.53
7.1.60.0200.01035.15

preferences:
45.54 ms | 401 KiB | 5 Q