3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = <<<DATA Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus dictum, lorem et fringilla congue, velit libero sagittis eros, id lobortis nisi risus ac mauris. DATA; $regular_expression = '/\n(\n)+(?<namedGroup>([\w\d]+.*(\n)?)+)/m'; preg_match($regular_expression, $text, $result); print_r($result);

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)
8.5.10.0110.00616.74
8.5.00.0120.01020.27
8.4.150.0010.00114.05
8.4.140.0130.00917.76
8.4.130.0110.01017.92
8.4.120.0080.01224.02
8.4.110.0090.01022.27
8.4.100.0130.00620.40
8.4.90.0150.00518.83
8.4.80.0100.00818.56
8.4.70.0120.00518.32
8.4.60.0120.00818.79
8.4.50.0110.00918.63
8.4.40.0100.01018.61
8.4.30.0060.00318.94
8.4.20.0080.01217.89
8.4.10.0090.00919.78
8.3.280.0180.00618.64
8.3.270.0100.01016.61
8.3.260.0120.00716.53
8.3.250.0110.00718.83
8.3.240.0070.00917.13
8.3.230.0130.00716.48
8.3.220.0090.00918.89
8.3.210.0040.00418.34
8.3.200.0050.00516.76
8.3.190.0030.00617.05
8.3.180.0120.00816.47
8.3.170.0130.00618.57
8.3.160.0100.01018.27
8.3.150.0120.00619.07
8.3.140.0040.01517.20
8.3.130.0000.01018.59
8.3.120.0030.00618.91
8.3.110.0060.00320.94
8.3.100.0080.00024.06
8.3.90.0070.00326.77
8.3.80.0080.00418.43
8.3.70.0060.01018.56
8.3.60.0070.00716.75
8.3.50.0130.01016.82
8.3.40.0110.00422.09
8.3.30.0140.00021.90
8.3.20.0040.00424.18
8.3.10.0000.00724.66
8.3.00.0090.00026.16
8.2.290.0110.00820.26
8.2.280.0090.00820.47
8.2.270.0070.01117.32
8.2.260.0070.00318.36
8.2.250.0040.00418.77
8.2.240.0090.00020.89
8.2.230.0080.00022.58
8.2.220.0050.00337.54
8.2.210.0070.01026.77
8.2.200.0060.00318.31
8.2.190.0120.00416.58
8.2.180.0140.00716.47
8.2.170.0150.00019.06
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00018.90
8.2.110.0110.00720.56
8.2.100.0120.00919.11
8.2.90.0260.00818.77
8.2.80.0240.00318.68
8.2.70.0170.01718.61
8.2.60.0240.01018.89
8.2.50.0200.01018.89
8.2.40.0090.00418.81
8.2.30.0130.00018.65
8.2.20.0060.01018.84
8.2.10.0200.00318.96
8.2.00.0190.00618.99
8.1.330.0080.01121.75
8.1.320.0130.00716.38
8.1.310.0090.00916.75
8.1.300.0000.00919.80
8.1.290.0040.00430.84
8.1.280.0080.00825.92
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0020.00528.09
8.1.240.0170.00718.58
8.1.230.0110.00418.69
8.1.220.0090.00418.45
8.1.210.0140.00019.99
8.1.200.0200.01018.52
8.1.190.0130.00018.55
8.1.180.0230.00018.52
8.1.170.0140.00018.49
8.1.160.0120.00018.79
8.1.150.0120.00020.68
8.1.140.0110.00418.34
8.1.130.0090.00618.55
8.1.120.0110.00418.64
8.1.110.0090.00418.68
8.1.100.0110.00418.55
8.1.90.0140.00018.68
8.1.80.0130.00018.59
8.1.70.0040.00718.74
8.1.60.0130.00318.62
8.1.50.0160.00018.64
8.1.40.0110.00318.78
8.1.30.0030.00919.11
8.1.20.0160.00018.69
8.1.10.0100.01318.88
8.1.00.0110.01118.67
8.0.300.0170.01017.95
8.0.290.0370.00017.96
8.0.280.0280.00018.02
8.0.270.0160.00818.09
8.0.260.0170.00917.91
8.0.250.0170.00317.95
8.0.240.0160.00617.96
8.0.230.0110.00517.95
8.0.220.0120.00317.84
8.0.210.0070.00717.88
8.0.200.0250.00718.02
8.0.190.0200.00718.00
8.0.180.0100.00518.07
8.0.170.0120.00018.00
8.0.160.0150.00018.07
8.0.150.0120.00418.01
8.0.140.0160.00018.00
8.0.130.0100.00218.03
8.0.120.0150.00017.89
8.0.110.0030.01018.20
8.0.100.0120.00317.86
8.0.90.0290.00317.83
8.0.80.0200.00817.83
8.0.70.0250.00718.00
8.0.60.0280.00317.88
8.0.50.0260.00717.66
8.0.30.0340.00017.88
8.0.20.0260.01017.88
8.0.10.0230.00718.11
7.4.330.0120.00516.29

preferences:
19.78 ms | 403 KiB | 5 Q