3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = null; $c = 1; $r = preg_replace_callback('@/(<p( [^>]+)?>)/i@', function ($res) { global $c; return '<p'.$res[2].' id="'.intval($c++).'">'; }, $text); $r = preg_replace('/(<p.*?)id="'.($c-1).'"(>)/i', '\1id="Last"\2', $r); $text = $r; echo $text;

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)
8.3.60.0120.00318.68
8.3.50.0230.00422.04
8.3.40.0070.01019.15
8.3.30.0120.00319.07
8.3.20.0070.00020.21
8.3.10.0040.00422.09
8.3.00.0000.00822.46
8.2.180.0120.00916.75
8.2.170.0110.00422.96
8.2.160.0110.00320.92
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0040.00418.00
8.2.110.0060.00322.08
8.2.100.0040.00819.76
8.2.90.0080.00019.09
8.2.80.0080.00418.04
8.2.70.0000.00917.88
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0070.00018.22
8.2.30.0030.00618.01
8.2.20.0040.00417.75
8.2.10.0040.00417.91
8.2.00.0070.00018.00
8.1.280.0030.01025.92
8.1.270.0070.00021.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.87
8.1.230.0080.00318.98
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0090.00017.35
8.1.190.0060.00617.47
8.1.180.0050.00318.10
8.1.170.0050.00318.71
8.1.160.0040.00422.10
8.1.150.0000.00718.71
8.1.140.0040.00417.61
8.1.130.0030.00317.85
8.1.120.0050.00317.64
8.1.110.0030.00617.52
8.1.100.0040.00417.60
8.1.90.0050.00317.63
8.1.80.0070.00017.61
8.1.70.0030.00517.47
8.1.60.0000.00817.71
8.1.50.0000.00917.68
8.1.40.0000.00817.54
8.1.30.0080.00017.84
8.1.20.0000.00817.64
8.1.10.0000.00817.63
8.1.00.0000.00817.66
8.0.300.0070.00018.77
8.0.290.0060.00317.04
8.0.280.0000.00718.41
8.0.270.0030.00317.28
8.0.260.0030.00316.90
8.0.250.0030.00317.06
8.0.240.0040.00317.05
8.0.230.0030.00317.04
8.0.220.0070.00017.02
8.0.210.0070.00017.00
8.0.200.0060.00017.11
8.0.190.0040.00316.96
8.0.180.0040.00417.05
8.0.170.0000.00817.02
8.0.160.0040.00417.05
8.0.150.0040.00417.00
8.0.140.0040.00417.00
8.0.130.0000.00813.45
8.0.120.0040.00416.96
8.0.110.0050.00316.95
8.0.100.0050.00316.82
8.0.90.0000.00716.89
8.0.80.0090.00617.09
8.0.70.0040.00416.93
8.0.60.0000.00717.11
8.0.50.0040.00417.15
8.0.30.0170.00517.42
8.0.20.0070.01217.49
8.0.10.0000.00717.12
8.0.00.0140.00317.06
7.4.330.0050.00215.00
7.4.320.0060.00016.64
7.4.300.0030.00316.72
7.4.290.0030.00716.82
7.4.280.0070.00016.69
7.4.270.0000.00816.68
7.4.260.0030.00716.77
7.4.250.0000.00816.78
7.4.240.0020.00516.75
7.4.230.0030.00316.61
7.4.220.0140.00816.92
7.4.210.0030.01116.82
7.4.200.0030.00316.72
7.4.190.0000.00716.69
7.4.160.0100.00616.61
7.4.150.0120.00917.40
7.4.140.0100.00917.86
7.4.130.0140.00416.79
7.4.120.0110.00916.59
7.4.110.0070.01116.60
7.4.100.0070.01116.80
7.4.90.0140.00316.66
7.4.80.0050.01919.39
7.4.70.0090.00616.70
7.4.60.0030.01416.85
7.4.50.0050.00316.38
7.4.40.0060.00922.77
7.4.30.0040.01216.92
7.4.00.0090.00615.22
7.3.330.0060.00013.33
7.3.320.0000.00513.31
7.3.310.0000.00716.51
7.3.300.0000.00716.53
7.3.290.0120.00316.53
7.3.280.0070.01116.53
7.3.270.0030.01417.40
7.3.260.0070.01016.63
7.3.250.0100.00916.59
7.3.240.0130.00316.53
7.3.230.0060.01116.77
7.3.210.0070.01016.69
7.3.200.0110.00719.39
7.3.190.0060.01016.48
7.3.180.0070.01416.50
7.3.170.0080.00816.88
7.3.160.0120.00616.80
7.3.120.0070.00415.29
7.2.330.0040.01416.89
7.2.320.0100.01316.95
7.2.310.0080.00816.93
7.2.300.0070.01116.87
7.2.290.0100.00616.72
7.2.00.0030.01019.65
7.1.100.0060.00618.14
7.1.70.0070.00317.02
7.1.60.0060.01819.82
7.1.50.0170.00717.27
7.1.00.0000.07722.50
7.0.200.0070.01016.64
7.0.140.0100.07022.01
7.0.60.0170.07719.84
7.0.50.0070.08018.05
7.0.40.0070.04020.30
7.0.30.0200.04320.10
7.0.20.0300.08320.21
7.0.10.0130.08020.32
7.0.00.0100.08720.25
5.6.280.0030.07021.05
5.6.210.0100.08020.67
5.6.200.0070.06318.16
5.6.190.0030.05320.64
5.6.180.2600.04720.61
5.6.170.0200.04020.56
5.6.160.0000.06020.43
5.6.150.0100.08018.15
5.6.140.0070.07718.15
5.6.130.0070.08018.17
5.6.120.0070.08021.02
5.6.110.0170.07321.14
5.6.100.0200.07321.13
5.6.90.0100.08321.11
5.6.80.0000.04720.42
5.6.70.4370.03320.37
5.5.350.0370.07720.53
5.5.340.0000.06317.98
5.5.330.0030.05720.58
5.5.320.0270.04320.52
5.5.310.0270.04320.31
5.5.300.0100.04318.04
5.5.290.0070.08017.98
5.5.280.0070.07020.80
5.5.270.0030.04020.80
5.5.260.0170.03320.96
5.5.250.0130.03020.71
5.5.240.0230.07720.19
5.4.450.0700.05719.38
5.4.440.0130.06319.53
5.4.430.0130.05019.38
5.4.420.0070.05719.52
5.4.410.0100.07719.04
5.4.400.0100.05018.76
5.4.390.0170.04718.79
5.4.380.0030.06018.79
5.4.370.0130.06018.59
5.4.360.0270.04318.53
5.4.350.0230.06318.72
5.4.340.0200.05718.77
5.4.320.0050.03712.50
5.4.310.0020.04112.50
5.4.300.0080.04712.50
5.4.290.0060.03912.50
5.4.280.0060.03512.39
5.4.270.0060.03612.38
5.4.260.0050.03712.38
5.4.250.0060.03712.37
5.4.240.0040.03812.38
5.4.230.0080.03412.37
5.4.220.0060.03512.37
5.4.210.0080.03212.37
5.4.200.0070.03612.36
5.4.190.0060.03512.36
5.4.180.0070.03512.37
5.4.170.0040.04012.38
5.4.160.0090.03212.37
5.4.150.0060.03512.37
5.4.140.0060.04112.05
5.4.130.0040.04012.04
5.4.120.0070.03412.00
5.4.110.0090.03311.99
5.4.100.0090.03211.99
5.4.90.0060.03711.99
5.4.80.0050.03711.99
5.4.70.0030.03711.98
5.4.60.0070.03411.98
5.4.50.0070.03411.98
5.4.40.0040.03711.97
5.4.30.0080.03311.97
5.4.20.0060.03511.97
5.4.10.0040.03711.97
5.4.00.0060.03711.46
5.3.290.0090.03912.80
5.3.280.0070.03812.71
5.3.270.0080.03712.72
5.3.260.0040.04012.72
5.3.250.0090.03312.72
5.3.240.0090.03912.72
5.3.230.0080.03512.71
5.3.220.0060.04212.68
5.3.210.0070.03712.68
5.3.200.0040.04212.68
5.3.190.0030.04112.68
5.3.180.0050.03712.67
5.3.170.0080.04112.67
5.3.160.0070.03512.68
5.3.150.0090.03412.68
5.3.140.0060.03612.66
5.3.130.0090.04512.66
5.3.120.0060.04212.66
5.3.110.0140.04012.66
5.3.100.0070.03612.12
5.3.90.0070.03512.09
5.3.80.0060.03712.08
5.3.70.0070.03712.07
5.3.60.0060.03512.07
5.3.50.0040.03712.00
5.3.40.0070.03412.00
5.3.30.0040.03611.98
5.3.20.0060.04311.75
5.3.10.0070.04011.71
5.3.00.0100.03711.70
5.2.170.0050.0349.15
5.2.160.0040.0309.15
5.2.150.0050.0309.15
5.2.140.0060.0299.15
5.2.130.0080.0269.11
5.2.120.0040.0299.11
5.2.110.0080.0319.11
5.2.100.0100.0389.11
5.2.90.0040.0299.11
5.2.80.0060.0299.10
5.2.70.0070.0339.10
5.2.60.0040.0349.05
5.2.50.0020.0339.03
5.2.40.0110.0289.00
5.2.30.0040.0308.98
5.2.20.0050.0298.96
5.2.10.0040.0288.89
5.2.00.0040.0308.75
5.1.60.0050.0238.04
5.1.50.0050.0248.04
5.1.40.0020.0318.02
5.1.30.0050.0258.37
5.1.20.0060.0268.40
5.1.10.0050.0258.13
5.1.00.0020.0278.12
5.0.50.0060.0186.59
5.0.40.0030.0196.45
5.0.30.0030.0396.27
5.0.20.0030.0206.24
5.0.10.0040.0196.22
5.0.00.0030.0316.21
4.4.90.0030.0154.78
4.4.80.0020.0164.76
4.4.70.0040.0154.75
4.4.60.0000.0184.75
4.4.50.0020.0174.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0030.0214.85
4.4.00.0040.0234.75
4.3.110.0050.0134.67
4.3.100.0020.0154.66
4.3.90.0050.0124.63
4.3.80.0020.0254.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0040.0224.54
4.3.30.0020.0153.28
4.3.20.0000.0183.25
4.3.10.0010.0163.22
4.3.00.0170.0176.61

preferences:
39.01 ms | 401 KiB | 5 Q