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‘‼asdf'; $tmp = []; $result = preg_match_all($x,$data,$tmp,PREG_OFFSET_CAPTURE); var_dump($tmp); $z = $tmp[0][1]; $q = substr($data,4,1); var_dump($q);

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)
8.3.60.0070.00716.63
8.3.50.0110.00416.29
8.3.40.0060.00918.74
8.3.30.0130.00318.97
8.3.20.0080.00020.38
8.3.10.0050.00321.89
8.3.00.0040.00419.38
8.2.180.0140.00316.88
8.2.170.0110.00422.96
8.2.160.0100.00320.52
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00721.16
8.2.120.0080.00026.35
8.2.110.0090.00020.96
8.2.100.0060.00618.21
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0040.00418.03
8.2.50.0040.00418.10
8.2.40.0030.00520.55
8.2.30.0040.00421.13
8.2.20.0000.00817.95
8.2.10.0080.00017.98
8.2.00.0050.00218.04
8.1.280.0110.00325.92
8.1.270.0000.00822.05
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00824.03
8.1.230.0120.00019.05
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0030.00717.35
8.1.190.0040.00417.36
8.1.180.0040.00418.10
8.1.170.0030.00520.30
8.1.160.0000.00818.96
8.1.150.0080.00020.59
8.1.140.0000.00819.57
8.1.130.0030.00318.84
8.1.120.0000.00817.50
8.1.110.0040.00417.42
8.1.100.0050.00317.46
8.1.90.0080.00017.51
8.1.80.0030.00417.53
8.1.70.0030.00317.45
8.1.60.0030.00517.54
8.1.50.0000.00817.42
8.1.40.0000.00817.61
8.1.30.0040.00417.56
8.1.20.0030.00517.64
8.1.10.0050.00317.71
8.1.00.0040.00417.71
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0030.00317.20
8.0.260.0000.00616.80
8.0.250.0030.00317.07
8.0.240.0080.00017.01
8.0.230.0040.00416.96
8.0.220.0000.00716.92
8.0.210.0090.00016.96
8.0.200.0000.00717.06
8.0.190.0030.00517.05
8.0.180.0040.00416.94
8.0.170.0000.00816.95
8.0.160.0000.00716.98
8.0.150.0040.00416.84
8.0.140.0000.00716.92
8.0.130.0000.00613.39
8.0.120.0070.00016.95
8.0.110.0080.00017.02
8.0.100.0050.00216.96
8.0.90.0040.00417.07
8.0.80.0120.00916.98
8.0.70.0030.00516.82
8.0.60.0000.00716.92
8.0.50.0000.00716.84
8.0.30.0090.00717.19
8.0.20.0090.01017.40
8.0.10.0040.00416.98
8.0.00.0100.00716.98
7.4.330.0050.00015.55
7.4.320.0030.00316.68
7.4.300.0060.00016.73
7.4.290.0060.00316.56
7.4.280.0060.00316.57
7.4.270.0030.00316.55
7.4.260.0000.00916.72
7.4.250.0040.00416.55
7.4.240.0040.00416.72
7.4.230.0030.00316.74
7.4.220.0140.00316.73
7.4.210.0100.01016.71
7.4.200.0050.00316.44
7.4.160.0100.01216.66
7.4.150.0130.00717.40
7.4.140.0120.00717.86
7.4.130.0110.01116.52
7.4.120.0140.00816.73
7.3.330.0000.00513.07
7.3.320.0030.00313.08
7.3.310.0000.00716.34
7.3.300.0000.00616.33
7.3.290.0100.00616.39
7.3.280.0090.00816.43
7.3.270.0110.00717.40
7.3.260.0110.00716.58
7.3.250.0090.01116.65
7.3.240.0120.00616.52
7.1.60.0340.01635.25

preferences:
33.66 ms | 401 KiB | 5 Q