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)
8.3.60.0040.01816.63
8.3.50.0110.00416.29
8.3.40.0040.01118.89
8.3.30.0080.00818.75
8.3.20.0070.00020.16
8.3.10.0050.00321.73
8.3.00.0030.00619.25
8.2.180.0140.00716.38
8.2.170.0120.00322.96
8.2.160.0040.01120.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00321.04
8.2.120.0070.00026.35
8.2.110.0030.00720.89
8.2.100.0080.00317.70
8.2.90.0040.00419.07
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0060.00317.91
8.2.50.0030.00518.10
8.2.40.0050.00320.46
8.2.30.0000.00921.04
8.2.20.0050.00217.88
8.2.10.0040.00418.11
8.2.00.0040.00418.04
8.1.280.0070.01025.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0000.00923.98
8.1.230.0060.00619.15
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.01017.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00420.28
8.1.160.0000.00818.92
8.1.150.0040.00420.67
8.1.140.0040.00419.56
8.1.130.0070.00018.86
8.1.120.0000.00717.32
8.1.110.0040.00417.44
8.1.100.0050.00317.36
8.1.90.0000.00717.36
8.1.80.0050.00317.35
8.1.70.0030.00317.40
8.1.60.0100.00017.50
8.1.50.0050.00317.50
8.1.40.0040.00417.41
8.1.30.0040.00417.52
8.1.20.0000.00817.56
8.1.10.0050.00317.52
8.1.00.0050.00317.48
8.0.300.0070.00018.77
8.0.290.0000.00916.88
8.0.280.0070.00018.29
8.0.270.0000.00717.18
8.0.260.0000.00716.81
8.0.250.0000.00616.86
8.0.240.0040.00416.90
8.0.230.0070.00016.82
8.0.220.0030.00316.94
8.0.210.0070.00016.89
8.0.200.0030.00316.86
8.0.190.0070.00717.00
8.0.180.0040.00716.84
8.0.170.0080.00016.77
8.0.160.0040.00416.96
8.0.150.0030.00316.88
8.0.140.0000.00716.75
8.0.130.0000.00613.27
8.0.120.0000.00716.79
8.0.110.0050.00216.79
8.0.100.0000.00716.79
8.0.90.0030.00416.75
8.0.80.0090.01216.88
8.0.70.0040.00416.88
8.0.60.0080.00016.70
8.0.50.0000.00716.82
8.0.30.0060.01216.93
8.0.20.0090.01117.40
8.0.10.0040.00417.01
8.0.00.0060.01216.93
7.4.330.0060.00015.55
7.4.320.0040.00416.65
7.4.300.0030.00316.64
7.4.290.0000.00816.64
7.4.280.0080.00016.63
7.4.270.0070.00016.72
7.4.260.0030.00316.71
7.4.250.0040.00416.58
7.4.240.0030.00316.76
7.4.230.0070.00016.81
7.4.220.0160.00716.59
7.4.210.0090.00616.67
7.4.200.0030.00316.46
7.4.160.0080.00716.61
7.4.150.0180.00017.40
7.4.140.0080.00917.86
7.4.130.0100.01016.55
7.4.120.0110.00916.61
7.3.330.0000.00513.02
7.3.320.0000.00513.00
7.3.310.0030.00316.34
7.3.300.0070.00016.18
7.3.290.0060.00816.30
7.3.280.0090.00716.27
7.3.270.0160.00017.40
7.3.260.0130.00616.54
7.3.250.0090.00816.42
7.3.240.0080.00816.43
7.1.60.0140.01034.91

preferences:
53.41 ms | 401 KiB | 5 Q