3v4l.org

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

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)
8.3.70.0110.00418.43
8.3.60.0070.01016.63
8.3.50.0150.00016.45
8.3.40.0100.00718.89
8.3.30.0080.00818.75
8.3.20.0070.01121.96
8.3.10.0000.00821.90
8.3.00.0080.00021.00
8.2.180.0100.00718.66
8.2.170.0120.00322.96
8.2.160.0100.00322.32
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00022.37
8.2.120.0000.00826.16
8.2.110.0060.00320.38
8.2.100.0040.00817.78
8.2.90.0080.00018.98
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0040.00417.68
8.2.50.0060.00318.10
8.2.40.0050.00322.43
8.2.30.0000.00820.81
8.2.20.0080.00018.03
8.2.10.0060.00318.04
8.2.00.0000.00717.96
8.1.280.0070.01425.92
8.1.270.0040.00423.97
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00420.90
8.1.230.0080.00419.01
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0040.00417.00
8.1.190.0100.00017.23
8.1.180.0000.00718.10
8.1.170.0070.00318.68
8.1.160.0040.00419.00
8.1.150.0040.00420.45
8.1.140.0000.00719.45
8.1.130.0000.00718.81
8.1.120.0000.00717.57
8.1.110.0050.00317.33
8.1.100.0040.00417.37
8.1.90.0070.00017.41
8.1.80.0040.00417.41
8.1.70.0070.00017.49
8.1.60.0090.00017.63
8.1.50.0000.00817.54
8.1.40.0050.00317.46
8.1.30.0040.00417.66
8.1.20.0030.00617.77
8.1.10.0080.00017.45
8.1.00.0050.00317.48
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0070.00018.35
8.0.270.0000.00817.17
8.0.260.0000.00816.77
8.0.250.0070.00017.03
8.0.240.0000.00816.95
8.0.230.0040.00416.89
8.0.220.0030.00316.80
8.0.210.0030.00316.94
8.0.200.0000.00817.04
8.0.190.0030.00617.02
8.0.180.0070.00016.98
8.0.170.0040.00416.86
8.0.160.0040.00416.83
8.0.150.0000.00816.87
8.0.140.0000.01016.89
8.0.130.0070.00013.31
8.0.120.0040.00416.89
8.0.110.0000.00816.83
8.0.100.0020.00516.88
8.0.90.0000.00816.81
8.0.80.0100.01316.89
8.0.70.0040.00416.89
8.0.60.0070.00016.78
8.0.50.0030.00517.05
8.0.30.0070.01116.99
8.0.20.0090.01017.40
8.0.10.0040.00416.95
8.0.00.0000.01716.65
7.4.330.0020.00215.55
7.4.320.0060.00016.53
7.4.300.0050.00216.58
7.4.290.0040.00416.72
7.4.280.0000.00716.69
7.4.270.0000.00816.68
7.4.260.0030.00316.61
7.4.250.0000.00716.70
7.4.240.0030.00316.75
7.4.230.0000.00716.76
7.4.220.0130.00616.61
7.4.210.0060.01216.68
7.4.200.0000.00716.77
7.4.160.0100.00616.56
7.4.150.0090.00917.40
7.4.140.0130.00717.86
7.4.130.0060.01616.46
7.4.120.0150.00816.50
7.4.110.0090.00816.63
7.4.100.0000.01816.63
7.4.90.0140.00616.61
7.4.80.0060.01619.39
7.4.70.0130.00416.72
7.4.60.0130.00316.52
7.4.50.0050.00716.47
7.4.40.0060.01216.57
7.4.30.0030.01516.65
7.4.00.0120.00714.90
7.3.330.0070.00013.16
7.3.320.0000.00513.05
7.3.310.0030.00316.16
7.3.300.0040.00416.21
7.3.290.0030.00316.24
7.3.280.0080.00916.31
7.3.270.0120.00617.40
7.3.260.0110.00716.46
7.3.250.0130.00816.40
7.3.240.0080.00816.63
7.3.230.0120.00616.44
7.3.210.0060.00916.50
7.3.200.0080.00816.32
7.3.190.0030.01616.30
7.3.180.0060.01316.54
7.3.170.0060.00916.40
7.3.160.0120.00916.18
7.3.120.0060.01214.86
7.3.110.0070.01014.86
7.3.100.0030.00615.03
7.3.90.0060.00914.57
7.3.80.0030.00914.91
7.3.70.0030.00714.74
7.3.60.0070.00414.89
7.3.50.0030.00615.01
7.3.40.0070.00715.04
7.3.30.0000.01314.66
7.3.20.0070.00416.63
7.3.10.0150.00016.66
7.3.00.0130.00016.43
7.2.330.0090.00916.61
7.2.320.0190.00016.45
7.2.310.0140.00916.59
7.2.300.0130.00416.43
7.2.290.0130.00816.73
7.2.250.0060.01215.06
7.2.240.0070.01314.60
7.2.230.0140.00314.95
7.2.220.0050.00515.22
7.2.210.0030.01014.80
7.2.200.0000.01014.89
7.2.190.0070.00715.18
7.2.180.0120.00014.99
7.2.170.0060.00914.86
7.2.110.0170.01016.43
7.2.60.0060.00616.76
7.1.330.0100.00315.88
7.1.320.0070.00715.89
7.1.310.0040.00716.04
7.1.300.0100.00315.87
7.1.290.0040.01115.66
7.1.280.0060.00615.82
7.1.270.0140.00015.80
7.1.260.0030.00915.89
7.1.200.0100.00315.70
7.1.70.0030.00916.90
7.1.60.0530.00733.33
7.1.50.0930.01332.97
7.1.40.0600.00332.59
7.1.30.0700.00032.82
7.1.20.0530.00732.79
7.1.10.0430.01014.91
7.1.00.0430.00714.92
7.0.200.0500.01014.84
7.0.190.0530.01015.14
7.0.180.0430.01014.27
7.0.170.0400.01014.43
7.0.160.0970.01014.58
7.0.150.0470.00714.52
7.0.140.0370.01014.54
7.0.130.0400.00714.75
7.0.120.0330.01314.63
7.0.110.0370.01014.39
7.0.100.0400.00714.52
7.0.90.0470.01014.66
7.0.80.0570.00714.55
7.0.70.0370.01014.60
7.0.60.0430.01014.55
7.0.50.0370.00714.60
7.0.40.0400.00714.67
7.0.30.0330.01314.70
7.0.20.0400.00714.86
7.0.10.0470.00714.57
7.0.00.0330.01014.45

preferences:
50.79 ms | 400 KiB | 5 Q