3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('#<(link)(\s[^>]*|)>#i', '<link>', $matches));var_dump($matches); var_dump(preg_match('#<(link)(\s[^>]*|)>#i', '<link/>', $matches));var_dump($matches); var_dump(preg_match('#<(link)(\s[^>]*|)>#i', '<link rel=test>', $matches));var_dump($matches); var_dump(preg_match('#<(link)((?:\s[^>]*)?)>#i', '<link>', $matches));var_dump($matches); var_dump(preg_match('#<(link)((?:\s[^>]*)?)>#i', '<link/>', $matches));var_dump($matches); var_dump(preg_match('#<(link)((?:\s[^>]*)?)>#i', '<link rel=test>', $matches));var_dump($matches);

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)
8.3.60.0110.01416.38
8.3.50.0040.01116.16
8.3.40.0130.00318.69
8.3.30.0150.00318.63
8.3.20.0070.00720.21
8.3.10.0040.00421.96
8.3.00.0080.00020.88
8.2.180.0180.00418.41
8.2.170.0070.00722.96
8.2.160.0080.00622.20
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00022.23
8.2.120.0050.00326.16
8.2.110.0060.00320.25
8.2.100.0060.00617.78
8.2.90.0040.00419.11
8.2.80.0060.00317.97
8.2.70.0050.00317.62
8.2.60.0030.00617.91
8.2.50.0040.00418.10
8.2.40.0060.00322.45
8.2.30.0080.00020.81
8.2.20.0050.00317.90
8.2.10.0070.00017.84
8.2.00.0000.00817.84
8.1.280.0110.00425.92
8.1.270.0080.00024.01
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00320.82
8.1.230.0040.00719.10
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0070.00317.35
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0030.00618.69
8.1.160.0040.00418.97
8.1.150.0000.00820.63
8.1.140.0040.00419.40
8.1.130.0030.00318.90
8.1.120.0070.00017.40
8.1.110.0050.00317.47
8.1.100.0040.00417.51
8.1.90.0000.00817.39
8.1.80.0000.00717.49
8.1.70.0000.00717.46
8.1.60.0040.00417.58
8.1.50.0060.00317.46
8.1.40.0050.00317.54
8.1.30.0000.00717.71
8.1.20.0000.00817.67
8.1.10.0030.00617.57
8.1.00.0080.00017.41
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.34
8.0.270.0040.00417.12
8.0.260.0030.00316.72
8.0.250.0030.00317.02
8.0.240.0040.00416.85
8.0.230.0000.00716.84
8.0.220.0040.00416.89
8.0.210.0050.00316.93
8.0.200.0000.00616.97
8.0.190.0000.00916.95
8.0.180.0020.00516.95
8.0.170.0000.00816.92
8.0.160.0000.00716.88
8.0.150.0080.00016.87
8.0.140.0050.00216.86
8.0.130.0050.00313.38
8.0.120.0030.00616.85
8.0.110.0000.00716.91
8.0.100.0050.00216.87
8.0.90.0070.00017.02
8.0.80.0100.01016.98
8.0.70.0000.00716.90
8.0.60.0030.00516.94
8.0.50.0040.00416.70
8.0.30.0090.01217.11
8.0.20.0140.00717.40
8.0.10.0000.00816.90
8.0.00.0130.00716.86
7.4.330.0030.00315.55
7.4.320.0000.00716.61
7.4.300.0020.00516.70
7.4.290.0030.00516.66
7.4.280.0060.00316.68
7.4.270.0000.00716.60
7.4.260.0100.00013.34
7.4.250.0050.00216.65
7.4.240.0050.00216.73
7.4.230.0000.00716.79
7.4.220.0190.00616.60
7.4.210.0040.01216.60
7.4.200.0030.00316.78
7.4.160.0090.00916.58
7.4.150.0130.00417.40
7.4.140.0110.00917.86
7.4.130.0090.00916.57
7.4.120.0070.01316.56
7.4.110.0080.00916.45
7.4.100.0150.00316.43
7.4.90.0030.01516.73
7.4.80.0080.01419.39
7.4.70.0090.00916.68
7.4.60.0100.00716.61
7.4.50.0000.01216.41
7.4.40.0080.00816.63
7.4.30.0130.00616.54
7.4.00.0030.01514.77
7.3.330.0050.00313.11
7.3.320.0070.00013.20
7.3.310.0040.00416.44
7.3.300.0030.00616.29
7.3.290.0000.00716.34
7.3.280.0080.01016.29
7.3.270.0130.00717.40
7.3.260.0080.00916.55
7.3.250.0130.00816.25
7.3.240.0090.00916.38
7.3.230.0090.00916.63
7.3.210.0100.01016.36
7.3.200.0040.01516.59
7.3.190.0150.00616.54
7.3.180.0070.01616.25
7.3.170.0070.01016.36
7.3.160.0170.00616.31
7.2.330.0150.00616.51
7.2.320.0120.00616.70
7.2.310.0070.01016.62
7.2.300.0070.01716.60
7.2.290.0130.01016.55
7.2.60.0040.00816.57
7.1.200.0060.00315.66
7.1.70.0070.01616.96
7.1.60.0530.00733.60
7.1.50.0530.00732.95
7.1.40.0470.01332.65
7.1.30.0570.00732.72
7.1.20.0700.02033.01
7.1.10.0370.01314.79
7.1.00.0400.00715.20
7.0.200.0800.01315.12
7.0.190.0570.00315.20
7.0.180.0370.01014.44
7.0.170.0430.01014.45
7.0.160.0700.01014.44
7.0.150.0370.01014.59
7.0.140.0400.00714.55
7.0.130.0400.00714.83
7.0.120.0430.00714.68
7.0.110.0400.00714.62
7.0.100.0530.00314.71
7.0.90.0500.00714.86
7.0.80.0400.01014.54
7.0.70.0430.00314.63
7.0.60.0370.00714.24
7.0.50.0500.00714.89
7.0.40.0470.00714.57
7.0.30.0430.01014.84
7.0.20.0470.00314.63
7.0.10.0330.01014.63
7.0.00.0330.01314.80

preferences:
52.95 ms | 400 KiB | 5 Q