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^{}\\\[~\]|\u20AC]+/'; #var_dump($x); $x = '/\x\{&#x0394;\}/'; $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)
8.3.60.0110.00716.50
8.3.50.0110.00416.22
8.3.40.0040.01118.82
8.3.30.0110.00418.85
8.3.20.0070.00020.16
8.3.10.0000.00823.61
8.3.00.0030.00519.50
8.2.180.0070.01416.75
8.2.170.0090.00622.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00420.96
8.2.120.0070.00026.35
8.2.110.0030.00620.34
8.2.100.0060.00617.84
8.2.90.0000.00819.11
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0030.00617.93
8.2.50.0050.00318.10
8.2.40.0040.00420.32
8.2.30.0040.00719.24
8.2.20.0000.00817.88
8.2.10.0050.00318.07
8.2.00.0000.00818.13
8.1.280.0140.00325.92
8.1.270.0070.00022.19
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00323.97
8.1.230.0110.00017.82
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.48
8.1.180.0000.00818.10
8.1.170.0040.00420.35
8.1.160.0000.00718.96
8.1.150.0050.00320.59
8.1.140.0040.00419.40
8.1.130.0030.00318.78
8.1.120.0000.00717.56
8.1.110.0040.00417.53
8.1.100.0030.00617.42
8.1.90.0060.00317.54
8.1.80.0040.00417.48
8.1.70.0000.00717.57
8.1.60.0080.00417.66
8.1.50.0070.00317.50
8.1.40.0000.00817.61
8.1.30.0040.00417.56
8.1.20.0040.00417.60
8.1.10.0000.00917.58
8.1.00.0040.00417.58
8.0.300.0030.00618.77
8.0.290.0040.00416.88
8.0.280.0030.00318.34
8.0.270.0070.00017.26
8.0.260.0030.00316.89
8.0.250.0000.00617.05
8.0.240.0020.00517.01
8.0.230.0050.00217.00
8.0.220.0060.00016.96
8.0.210.0000.00716.86
8.0.200.0050.00316.98
8.0.190.0020.00717.00
8.0.180.0080.00316.88
8.0.170.0070.00016.95
8.0.160.0000.00817.02
8.0.150.0040.00416.88
8.0.140.0000.00716.93
8.0.130.0000.00513.43
8.0.120.0050.00316.99
8.0.110.0030.00317.00
8.0.100.0040.00416.84
8.0.90.0000.00716.83
8.0.80.0180.00316.95
8.0.70.0000.00716.83
8.0.60.0040.00417.06
8.0.50.0040.00316.85
8.0.30.0120.00617.15
8.0.20.0130.00817.40
8.0.10.0040.00416.98
8.0.00.0030.01416.95
7.4.330.0050.00015.55
7.4.320.0040.00416.54
7.4.300.0000.00716.66
7.4.290.0040.00416.75
7.4.280.0040.00416.62
7.4.270.0000.00716.77
7.4.260.0000.01016.71
7.4.250.0030.00316.55
7.4.240.0040.00416.65
7.4.230.0000.00716.64
7.4.220.0220.00316.65
7.4.210.0070.00716.61
7.4.200.0050.00216.81
7.4.160.0100.00816.57
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0130.01416.63
7.4.120.0130.00716.56
7.3.330.0000.00713.02
7.3.320.0020.00213.00
7.3.310.0070.00016.32
7.3.300.0060.00016.11
7.3.290.0090.00716.26
7.3.280.0080.00816.24
7.3.270.0090.00917.40
7.3.260.0130.00316.34
7.3.250.0050.01216.38
7.3.240.0080.00816.48
7.1.60.0120.01235.13

preferences:
42.11 ms | 400 KiB | 5 Q