3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = <<<TEXT I like foo << - not allowed I like fooSomeRandomString << - not allowed I like food << - allowed I like football << - allowed I like drawing << - allowed I dislike drawing << - not allowed TEXT; $pattern = '#I like (?<like>(?!foo(?!d|tball))[^ ]+)#'; preg_match_all($pattern, $text, $matches); foreach($matches['like'] as $like) { echo $like . PHP_EOL; }

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)
8.3.60.0150.00016.63
8.3.50.0210.00418.48
8.3.40.0110.00419.05
8.3.30.0110.00319.08
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0060.00925.92
8.2.170.0090.00919.16
8.2.160.0030.01022.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00026.16
8.2.110.0120.00019.30
8.2.100.0090.00318.03
8.2.90.0040.00417.88
8.2.80.0120.00017.97
8.2.70.0080.00017.88
8.2.60.0030.00517.75
8.2.50.0040.00417.88
8.2.40.0030.00618.09
8.2.30.0070.00018.19
8.2.20.0040.00420.44
8.2.10.0050.00317.89
8.2.00.0000.00719.27
8.1.280.0100.00725.92
8.1.270.0050.00323.99
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.79
8.1.230.0110.00020.97
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.48
8.1.190.0130.00019.11
8.1.180.0100.00018.10
8.1.170.0070.00017.65
8.1.160.0040.00418.84
8.1.150.0040.00718.80
8.1.140.0000.00817.64
8.1.130.0030.00318.87
8.1.120.0000.00717.64
8.1.110.0040.00417.61
8.1.100.0030.00617.63
8.1.90.0000.00717.64
8.1.80.0000.00817.65
8.1.70.0070.00017.61
8.1.60.0030.00617.80
8.1.50.0080.00417.59
8.1.40.0000.00817.68
8.1.30.0130.00517.69
8.1.20.0190.00317.71
8.1.10.0160.00717.70
8.1.00.0190.00417.63
8.0.300.0000.00818.77
8.0.290.0000.00716.88
8.0.280.0070.00018.47
8.0.270.0030.00317.08
8.0.260.0040.00418.45
8.0.250.0050.00317.16
8.0.240.0060.00017.05
8.0.230.0080.00017.21
8.0.220.0070.00016.99
8.0.210.0040.00416.94
8.0.200.0030.00317.08
8.0.190.0000.00717.15
8.0.180.0050.00217.09
8.0.170.0060.00617.13
8.0.160.0120.00717.09
8.0.150.0130.00516.95
8.0.140.0160.00317.04
8.0.130.0120.00616.95
8.0.120.0130.00617.02
8.0.110.0140.00717.03
8.0.100.0150.00717.10
8.0.90.0210.00017.05
8.0.80.0130.00817.04
8.0.70.0130.00816.96
8.0.60.0130.00617.04
8.0.50.0140.00717.01
8.0.30.0160.00617.02
8.0.20.0160.00517.05
8.0.10.0160.00517.15
7.4.330.0000.00515.55
7.4.320.0000.00616.73
7.4.300.0030.00316.76
7.4.290.0060.00516.80
7.4.280.0150.00716.68
7.4.270.0160.00616.71
7.4.260.0150.00616.64
7.4.250.0160.00416.73
7.4.240.0180.00516.71
7.4.230.0190.00516.63
7.4.220.0140.00516.73
7.4.210.0130.00616.76
7.4.200.0170.00316.69
7.4.190.0170.00416.79
7.4.180.0170.00416.74
7.4.160.0140.00516.71
7.4.150.0170.00416.73
7.4.140.0190.00216.72
7.4.130.0160.00416.62
7.4.120.0120.01016.53
7.4.110.0170.00316.66
7.4.100.0100.00516.67
7.4.90.0130.00416.75
7.4.80.0130.00516.60
7.4.70.0130.00516.67
7.4.60.0110.00616.67
7.4.50.0150.00416.51
7.4.40.0150.00516.59
7.4.30.0120.00416.62
7.4.20.0110.00416.59
7.4.10.0130.00216.58
7.4.00.0080.00916.56

preferences:
49.84 ms | 401 KiB | 5 Q