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\{0394\}/'; $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)
8.3.60.0100.01016.47
8.3.50.0060.00916.52
8.3.40.0140.00018.83
8.3.30.0080.00818.83
8.3.20.0070.00020.29
8.3.10.0000.00823.49
8.3.00.0060.00319.26
8.2.180.0090.01216.63
8.2.170.0100.00722.96
8.2.160.0130.00320.23
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00421.23
8.2.120.0040.00426.35
8.2.110.0000.00921.12
8.2.100.0060.00617.92
8.2.90.0050.00319.09
8.2.80.0040.00417.97
8.2.70.0050.00517.63
8.2.60.0000.00817.93
8.2.50.0000.00818.10
8.2.40.0040.00420.42
8.2.30.0060.00621.06
8.2.20.0040.00417.99
8.2.10.0040.00418.21
8.2.00.0000.00818.01
8.1.280.0140.00325.92
8.1.270.0070.00022.23
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0080.00024.02
8.1.230.0080.00420.95
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0080.00017.48
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0000.00818.75
8.1.160.0050.00318.96
8.1.150.0070.00020.51
8.1.140.0040.00419.56
8.1.130.0030.00318.85
8.1.120.0070.00017.58
8.1.110.0000.00717.54
8.1.100.0060.00317.43
8.1.90.0030.00617.55
8.1.80.0070.00017.42
8.1.70.0030.00317.53
8.1.60.0060.00317.48
8.1.50.0000.00917.64
8.1.40.0080.00017.53
8.1.30.0050.00317.62
8.1.20.0070.00017.59
8.1.10.0000.00817.73
8.1.00.0060.00317.61
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.45
8.0.270.0000.00817.20
8.0.260.0000.00716.93
8.0.250.0030.00317.09
8.0.240.0000.00716.97
8.0.230.0000.00717.03
8.0.220.0070.00016.97
8.0.210.0030.00316.97
8.0.200.0040.00417.00
8.0.190.0060.00617.05
8.0.180.0040.00716.91
8.0.170.0030.00316.99
8.0.160.0000.00716.94
8.0.150.0050.00216.76
8.0.140.0030.00316.80
8.0.130.0050.00013.41
8.0.120.0050.00216.94
8.0.110.0040.00416.79
8.0.100.0040.00416.95
8.0.90.0000.00716.92
8.0.80.0140.00716.93
8.0.70.0000.00816.87
8.0.60.0040.00417.03
8.0.50.0000.00716.96
8.0.30.0080.01217.27
8.0.20.0150.01117.40
8.0.10.0040.00416.94
8.0.00.0100.01016.80
7.4.330.0050.00015.55
7.4.320.0000.00716.75
7.4.300.0000.00716.71
7.4.290.0030.00516.71
7.4.280.0060.00316.59
7.4.270.0050.00316.72
7.4.260.0000.00716.65
7.4.250.0060.00316.60
7.4.240.0000.00716.66
7.4.230.0030.00316.76
7.4.220.0130.00416.77
7.4.210.0060.00916.68
7.4.200.0040.00416.39
7.4.160.0060.00916.55
7.4.150.0150.00417.40
7.4.140.0070.01117.86
7.4.130.0040.01416.53
7.4.120.0130.00616.65
7.3.330.0000.00613.16
7.3.320.0030.00313.10
7.3.310.0000.00716.13
7.3.300.0000.00716.30
7.3.290.0050.01016.26
7.3.280.0070.00916.23
7.3.270.0140.00417.40
7.3.260.0120.00516.38
7.3.250.0110.00616.21
7.3.240.0090.00716.41
7.1.60.0180.00635.16

preferences:
32.87 ms | 401 KiB | 5 Q