3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Filter { protected $pattern; protected $repl; function __construct($pattern, $repl) { $this->pattern = $pattern; $this->repl = $repl; } function filter($data) { return preg_replace($this->pattern, $this->repl, $data); } }; class Post { protected $title; protected $text; protected $filters; function __construct($title, $text, $filters) { $this->title = $title; $this->text = $text; $this->filters = $filters; } function get_title() { return htmlspecialchars($this->title); } function display_post() { $text = htmlspecialchars($this->text); foreach ($this->filters as $filter) $text = $filter->filter($text); return $text; } function __destruct() { // debugging stuff $s = "<!-- POST " . htmlspecialchars($this->title); $text = htmlspecialchars($this->text); foreach ($this->filters as $filter) $text = $filter->filter($text); $s = $s . ": " . $text; $s = $s . " -->"; echo $s; } }; $standard_filter_set = [new Filter("/\[i\](.*)\[\/i\]/i", "<i>\\1</i>"), new Filter("/\[b\](.*)\[\/b\]/i", "<b>\\1</b>"), new Filter("/\[img\](.*)\[\/img\]/i", "<img src='\\1'>"), new Filter("/\[br\]/i", "<br>")]; echo serialize(new Post("hue", "br", $standard_filter_set));

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)
8.3.60.0150.00018.61
8.3.50.0130.00821.35
8.3.40.0040.01819.10
8.3.30.0110.00419.22
8.3.20.0040.00420.16
8.3.10.0080.00023.48
8.3.00.0030.00519.63
8.2.180.0110.00416.63
8.2.170.0070.01122.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0050.00322.39
8.2.110.0050.00522.39
8.2.100.0080.00418.03
8.2.90.0040.00419.21
8.2.80.0060.00317.97
8.2.70.0040.00817.75
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0090.00020.07
8.2.30.0040.00418.25
8.2.20.0060.00317.98
8.2.10.0050.00218.13
8.2.00.0000.00717.81
8.1.280.0120.00425.92
8.1.270.0050.00323.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00421.91
8.1.230.0080.00420.98
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.50
8.1.190.0030.00517.48
8.1.180.0040.00418.10
8.1.170.0000.00818.84
8.1.160.0040.00422.10
8.1.150.0000.00718.98
8.1.140.0030.00517.69
8.1.130.0070.00017.99
8.1.120.0000.00717.50
8.1.110.0040.00417.55
8.1.100.0070.00017.65
8.1.90.0090.00017.54
8.1.80.0070.00017.68
8.1.70.0030.00317.52
8.1.60.0040.00817.83
8.1.50.0050.00317.62
8.1.40.0080.00017.61
8.1.30.0040.00417.87
8.1.20.0030.00517.73
8.1.10.0000.00817.71
8.1.00.0080.00017.64
8.0.300.0040.00418.77
8.0.290.0050.00217.00
8.0.280.0000.00718.50
8.0.270.0000.00717.33
8.0.260.0000.00717.37
8.0.250.0040.00417.04
8.0.240.0000.00717.12
8.0.230.0000.00716.99
8.0.220.0040.00416.96
8.0.210.0000.00816.97
8.0.200.0050.00217.09
8.0.190.0080.00017.13
8.0.180.0040.00416.98
8.0.170.0040.00417.09
8.0.160.0040.00317.06
8.0.150.0050.00316.94
8.0.140.0040.00416.87
8.0.130.0000.00613.53
8.0.120.0080.00016.99
8.0.110.0000.00817.09
8.0.100.0000.00717.13
8.0.90.0040.00417.13
8.0.80.0060.01017.09
8.0.70.0040.00416.97
8.0.60.0050.00317.11
8.0.50.0040.00416.96
8.0.30.0100.01017.02
8.0.20.0130.01117.40
8.0.10.0030.00517.16
8.0.00.0140.00516.89
7.4.330.0050.00015.17
7.4.320.0070.00016.68
7.4.300.0030.00316.75
7.4.290.0000.00716.75
7.4.280.0000.00716.82
7.4.270.0000.00716.84
7.4.260.0030.00316.72
7.4.250.0070.00016.63
7.4.240.0020.00516.86
7.4.230.0030.00316.77
7.4.220.0170.00316.69
7.4.210.0030.01016.84
7.4.200.0040.00416.77
7.4.160.0080.00816.89
7.4.150.0100.01017.40
7.4.140.0250.01717.86
7.4.130.0080.01116.73
7.4.120.0120.00516.83
7.4.110.0070.01116.82
7.4.100.0140.00316.80
7.4.90.0100.00716.90
7.4.80.0100.01319.39
7.4.70.0080.00816.85
7.4.60.0100.01016.70
7.4.50.0000.00816.68
7.4.40.0040.01416.89
7.4.30.0060.01016.61
7.4.00.0130.00315.25
7.3.330.0030.00313.32
7.3.320.0000.00513.30
7.3.310.0050.00216.37
7.3.300.0030.00316.49
7.3.290.0120.00516.49
7.3.280.0110.00816.49
7.3.270.0120.00617.40
7.3.260.0200.00316.55
7.3.250.0120.00916.77
7.3.240.0090.00916.91
7.3.230.0000.01916.76
7.3.210.0130.01016.47
7.3.200.0150.00619.39
7.3.190.0090.01516.42
7.3.180.0110.00716.47
7.3.170.0110.00616.86
7.3.160.0120.00916.80
7.2.330.0060.01216.95
7.2.320.0070.01116.96
7.2.310.0060.01016.88
7.2.300.0090.01316.84
7.2.290.0160.00316.87
7.2.60.0060.00617.09
7.2.00.0030.01019.55
7.1.200.0070.00716.02
7.1.100.0070.00418.11
7.1.70.0000.00717.06
7.1.60.0110.01419.11
7.1.50.0160.00916.95
7.1.00.0070.07322.49
7.0.200.0060.00317.00
7.0.140.0030.07322.10
7.0.60.0100.08019.94
7.0.50.0030.07017.99
7.0.40.0130.08020.20
7.0.30.0230.04020.47
7.0.20.0200.03720.12
7.0.10.0130.04320.10
7.0.00.0030.04020.09
5.6.280.0000.07320.93
5.6.210.0070.07020.57
5.6.200.0070.08018.15
5.6.190.0100.05320.45
5.6.180.0270.07720.44
5.6.170.0470.06720.54
5.6.160.0130.07720.47
5.6.150.0170.03018.14
5.6.140.0100.08018.12
5.6.130.0100.05318.23
5.6.120.0070.07021.01
5.6.110.0170.08321.05
5.6.100.0030.04021.09
5.6.90.0030.04020.86
5.6.80.0030.04320.40
5.6.70.0170.04720.53
5.5.350.0100.07020.44
5.5.340.0130.05017.95
5.5.330.0070.06020.35
5.5.320.0130.08720.30
5.5.310.0300.07320.38
5.5.300.0100.07717.98
5.5.290.0170.05018.14
5.5.280.0070.07720.75
5.5.270.0030.05720.97
5.5.260.0030.04720.88
5.5.250.0030.04020.80
5.5.240.0100.05020.29
5.4.450.0700.05719.48
5.4.440.0670.05719.49
5.4.430.0700.06019.67
5.4.420.0670.00019.38
5.4.410.0670.00019.43
5.4.400.0770.00019.09
5.4.390.0630.00019.11
5.4.380.0670.00019.11
5.4.370.0800.00019.21
5.4.360.0600.00019.07
5.4.350.0670.00018.98
5.4.340.0060.03412.03
5.4.320.0060.03512.52
5.4.310.0050.03912.52
5.4.300.0110.03212.52
5.4.290.0060.03812.51
5.4.280.0040.03612.41
5.4.270.0060.03512.41
5.4.260.0050.03712.41
5.4.250.0050.03812.41
5.4.240.0070.03412.41
5.4.230.0040.03812.40
5.4.220.0060.03612.40
5.4.210.0040.03612.40
5.4.200.0080.03412.40
5.4.190.0070.03412.39
5.4.180.0050.03712.40
5.4.170.0060.03612.41
5.4.160.0070.03412.40
5.4.150.0060.03612.39
5.4.140.0040.03912.08
5.4.130.0070.03512.07
5.4.120.0050.03712.02
5.4.110.0060.03612.02
5.4.100.0060.03712.02
5.4.90.0080.03412.02
5.4.80.0070.03512.02
5.4.70.0040.03612.02
5.4.60.0070.03312.02
5.4.50.0080.03212.02
5.4.40.0080.03212.01
5.4.30.0070.03512.01
5.4.20.0060.03512.01
5.4.10.0050.03512.01
5.4.00.0100.03111.50
5.3.290.0060.03912.80
5.3.280.0060.03812.71
5.3.270.0070.03712.72
5.3.260.0080.03712.72
5.3.250.0080.03412.72
5.3.240.0080.03412.71
5.3.230.0070.03612.70
5.3.220.0070.03612.68
5.3.210.0080.03912.68
5.3.200.0070.04412.68
5.3.190.0060.03712.68
5.3.180.0070.03412.68
5.3.170.0060.03612.67
5.3.160.0120.02912.67
5.3.150.0050.03712.67
5.3.140.0070.03512.66
5.3.130.0030.04112.66
5.3.120.0030.04112.66
5.3.110.0060.04012.66
5.3.100.0030.03912.14
5.3.90.0080.03312.12
5.3.80.0040.03712.11
5.3.70.0070.03512.10
5.3.60.0040.04012.10
5.3.50.0050.03912.04
5.3.40.0040.04012.04
5.3.30.0070.03412.00
5.3.20.0060.03511.78
5.3.10.0030.03811.75
5.3.00.0040.03811.73
5.2.170.0040.0319.23
5.2.160.0070.0389.24
5.2.150.0080.0309.23
5.2.140.0060.0309.23
5.2.130.0050.0309.20
5.2.120.0050.0299.19
5.2.110.0040.0399.20
5.2.100.0040.0299.20
5.2.90.0030.0309.20
5.2.80.0050.0299.19
5.2.70.0060.0289.19
5.2.60.0070.0279.15
5.2.50.0060.0289.12
5.2.40.0010.0329.09
5.2.30.0070.0279.07
5.2.20.0060.0279.05
5.2.10.0040.0288.96
5.2.00.0050.0288.82
5.1.60.0040.0248.11
5.1.50.0030.0258.11
5.1.40.0040.0248.09
5.1.30.0020.0278.44
5.1.20.0050.0258.46
5.1.10.0040.0258.19
5.1.00.0050.0248.19
5.0.50.0050.0186.66
5.0.40.0050.0176.53
5.0.30.0000.0346.34
5.0.20.0030.0196.30
5.0.10.0040.0196.28
5.0.00.0040.0296.28
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0000.0184.76
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0154.85
4.4.00.0030.0244.76
4.3.110.0030.0144.67
4.3.100.0030.0144.67
4.3.90.0020.0144.64
4.3.80.0020.0244.58
4.3.70.0030.0134.63
4.3.60.0050.0114.62
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0030.0153.30
4.3.20.0020.0163.28
4.3.10.0000.0173.24
4.3.00.0000.0276.63

preferences:
43.23 ms | 401 KiB | 5 Q