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($tmp); $z = $tmp[0][0]; $z = utf8_encode($z); var_dump($z);

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)
8.3.60.0110.01116.75
8.3.50.0100.00716.43
8.3.40.0120.00318.85
8.3.30.0060.01318.97
8.3.20.0080.00020.18
8.3.10.0050.00323.70
8.3.00.0030.00519.38
8.2.180.0060.01218.43
8.2.170.0140.00422.96
8.2.160.0070.00720.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00020.90
8.2.120.0040.00426.35
8.2.110.0090.00020.87
8.2.100.0000.01218.16
8.2.90.0000.00819.06
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0040.00417.93
8.2.50.0030.00518.10
8.2.40.0050.00320.64
8.2.30.0000.00719.27
8.2.20.0070.00018.08
8.2.10.0070.00018.19
8.2.00.0040.00418.07
8.1.280.0140.00425.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00623.97
8.1.230.0110.00019.20
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0040.00717.36
8.1.190.0090.00017.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00718.95
8.1.150.0000.00718.72
8.1.140.0060.00319.44
8.1.130.0030.00318.85
8.1.120.0030.00317.45
8.1.110.0040.00417.54
8.1.100.0040.00417.51
8.1.90.0030.00517.42
8.1.80.0070.00017.55
8.1.70.0000.00717.50
8.1.60.0050.00317.66
8.1.50.0050.00317.56
8.1.40.0040.00417.51
8.1.30.0050.00317.63
8.1.20.0070.00317.78
8.1.10.0040.00417.74
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0040.00418.40
8.0.270.0070.00017.26
8.0.260.0070.00016.90
8.0.250.0030.00317.02
8.0.240.0040.00416.91
8.0.230.0000.00717.09
8.0.220.0000.00716.89
8.0.210.0070.00016.98
8.0.200.0040.00417.07
8.0.190.0040.00417.03
8.0.180.0030.00516.95
8.0.170.0040.00417.03
8.0.160.0030.00317.02
8.0.150.0020.00516.93
8.0.140.0000.00716.94
8.0.130.0060.00013.46
8.0.120.0000.00816.84
8.0.110.0000.00716.87
8.0.100.0080.00017.08
8.0.90.0030.00516.96
8.0.80.0030.01317.03
8.0.70.0000.00817.08
8.0.60.0050.00316.80
8.0.50.0080.00017.01
8.0.30.0100.00917.42
8.0.20.0150.00717.40
8.0.10.0000.00716.96
8.0.00.0100.00716.69
7.4.330.0000.00515.55
7.4.320.0000.00816.76
7.4.300.0000.00716.63
7.4.290.0000.00716.66
7.4.280.0060.00316.72
7.4.270.0040.00416.72
7.4.260.0000.00716.63
7.4.250.0090.00016.73
7.4.240.0030.00316.64
7.4.230.0030.00316.53
7.4.220.0090.00916.57
7.4.210.0060.00816.62
7.4.200.0030.00416.59
7.4.160.0100.00716.58
7.4.150.0240.00317.40
7.4.140.0150.00617.86
7.4.130.0130.00716.61
7.4.120.0090.01316.62
7.3.330.0030.00313.10
7.3.320.0050.00013.18
7.3.310.0000.00716.20
7.3.300.0030.00316.24
7.3.290.0070.00716.47
7.3.280.0050.01216.44
7.3.270.0180.00017.40
7.3.260.0070.01016.60
7.3.250.0110.00716.42
7.3.240.0110.00716.53
7.1.60.0100.01635.43

preferences:
39.63 ms | 401 KiB | 5 Q