3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Parser { // main public static function parse($xmlData) { $res = null; libxml_use_internal_errors(true); $dom = new DOMDocument(); $dom->recover = true; if(!$dom->loadXML($xmlData)) { $res['error'] = libxml_get_errors(); libxml_clear_errors(); } else { self::read($res, $dom); } return $res; } // tools // TODO use alternate class private static function parseText($str) { return trim(htmlentities($str)); } // void private static function read(&$res, &$dom) { $rss = $dom->getElementsByTagName('rss'); if($rss->length == 0) { $res['error'] = 'No rss node.'; } else { $channel = $rss->item(0)->getElementsByTagName('channel'); if($channel->length == 0) { $res['error'] = 'No channel node.'; } else { self::getNodes($res, $channel, array('title', 'link', 'description')); } } } private static function getNode(&$res, &$channel, $name) { $node = $channel->item(0)->getElementsByTagName($name); if($node->length == 0) { $res[$name] = null; } else { $res[$name] = self::parseText($node->item(0)->nodeValue); } } private static function getNodes(&$res, &$channel, $names) { foreach($names as $name) { self::getNode($res, $channel, $name); } } } $file = file_get_contents('https://secure.php.net/feed.atom'); if(!$file) { echo 'err cannot read file'; // TODO curl internet } else { $res = Parser::parse($file); var_dump($res); }

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)
8.3.60.0140.00016.73
8.3.50.0110.00416.48
8.3.40.0070.00718.70
8.3.30.0110.00418.67
8.3.20.0130.00720.34
8.3.10.0080.00021.73
8.3.00.0040.00421.89
8.2.180.0120.00316.75
8.2.170.0110.00422.96
8.2.160.0100.00720.57
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00020.79
8.2.120.0070.00026.35
8.2.110.0000.00919.39
8.2.100.0040.00818.15
8.2.90.0030.00619.05
8.2.80.0030.00517.97
8.2.70.0060.00317.48
8.2.60.0030.00617.93
8.2.50.0040.00418.09
8.2.40.0060.00320.63
8.2.30.0030.00519.52
8.2.20.0040.00417.76
8.2.10.0060.00318.20
8.2.00.0000.00918.11
8.1.280.0140.00725.92
8.1.270.0120.00422.27
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0090.00022.38
8.1.230.0040.00717.95
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0030.00517.25
8.1.180.0030.00518.10
8.1.170.0040.00418.83
8.1.160.0000.00820.78
8.1.150.0080.00018.93
8.1.140.0000.00819.64
8.1.130.0040.00417.84
8.1.120.0000.00717.52
8.1.110.0000.00717.55
8.1.100.0030.00517.57
8.1.90.0030.00517.55
8.1.80.0030.00417.42
8.1.70.0000.00717.57
8.1.60.0040.00417.68
8.1.50.0050.00517.50
8.1.40.0020.00517.58
8.1.30.0060.00317.77
8.1.20.0050.00317.79
8.1.10.0040.00417.59
8.1.00.0030.00617.53
8.0.300.0000.00918.77
8.0.290.0040.00417.00
8.0.280.0070.00018.52
8.0.270.0040.00417.40
8.0.260.0000.00617.39
8.0.250.0000.00717.13
8.0.240.0040.00417.09
8.0.230.0000.00717.17
8.0.220.0070.00017.14
8.0.210.0040.00417.03
8.0.200.0030.00317.04
8.0.190.0030.00517.25
8.0.180.0080.00017.13
8.0.170.0000.00817.14
8.0.160.0000.00716.99
8.0.150.0040.00417.04
8.0.140.0030.00617.13
8.0.130.0050.00013.52
8.0.120.0080.00017.12
8.0.110.0040.00417.12
8.0.100.0040.00417.07
8.0.90.0000.00817.09
8.0.80.0120.00317.11
8.0.70.0050.00317.10
8.0.60.0000.00716.98
8.0.50.0000.00717.03
8.0.30.0150.00317.11
8.0.20.0090.01017.40
8.0.10.0040.00417.21
8.0.00.0110.01316.89
7.4.330.0020.00216.66
7.4.320.0030.00316.69
7.4.300.0060.00316.54
7.4.290.0000.00716.67
7.4.280.0060.00316.70
7.4.270.0040.00416.67
7.4.260.0030.00516.56
7.4.250.0080.00016.54
7.4.240.0070.00016.60
7.4.230.0070.00016.68
7.4.220.0150.00316.60
7.4.210.0040.01116.79
7.4.200.0020.00516.61
7.4.160.0090.00616.62
7.4.150.0100.00917.40
7.4.140.0130.01017.86
7.4.130.0120.00916.65
7.4.120.0100.00716.65
7.4.110.0140.00316.61
7.4.100.0040.01916.64
7.4.90.0090.00916.58
7.4.80.0120.00819.39
7.4.70.0130.00316.59
7.4.60.0130.00716.50
7.4.50.0040.00816.35
7.4.40.0100.00716.59
7.4.30.0060.01216.62
7.4.00.0090.00614.91
7.3.330.0000.00613.27
7.3.320.0050.00013.40
7.3.310.0000.00716.41
7.3.300.0040.00416.29
7.3.290.0080.00816.40
7.3.280.0070.00916.43
7.3.270.0100.01017.40
7.3.260.0120.00616.42
7.3.250.0090.00916.37
7.3.240.0080.01116.31
7.3.230.0140.00316.55
7.3.210.0090.00916.61
7.3.200.0140.00319.39
7.3.190.0060.01516.43
7.3.180.0140.00316.63
7.3.170.0060.00916.59
7.3.160.0120.00316.44
7.2.330.0060.01216.78
7.2.320.0160.00716.66
7.2.310.0110.00716.75
7.2.300.0100.00716.47
7.2.290.0150.00416.56
7.2.60.0060.00916.77
7.2.00.0080.00819.71
7.1.200.0050.00315.85
7.1.100.0320.00412.03
7.1.70.0090.00617.41
7.1.60.0050.01417.33
7.1.50.0130.01317.30
7.1.40.0080.01116.84
7.1.30.0120.00416.95
7.1.20.0120.01017.21
7.1.10.0160.00016.80
7.1.00.0000.01016.94
7.0.200.0000.01117.06
7.0.190.0060.01216.55
7.0.180.0120.00016.37
7.0.170.0080.00416.54
7.0.160.0040.01216.36
7.0.150.0070.00716.17
7.0.140.0130.00016.68
7.0.130.0090.00316.75
7.0.120.0000.01416.68
7.0.110.0070.00716.70
7.0.100.0080.00816.67
7.0.90.0120.00416.62
7.0.80.0060.00616.37
7.0.70.0000.01616.34
7.0.60.0110.00716.50
7.0.50.0110.00616.42
7.0.40.0100.00315.11
7.0.30.0070.00715.11
7.0.20.0000.01315.11
7.0.10.0080.00415.11
7.0.00.0000.00915.11
5.6.300.0120.04121.00
5.6.290.0100.06421.17
5.6.280.0120.03721.05
5.6.270.0110.06021.06
5.6.260.0060.04221.05
5.6.250.0070.04720.99
5.6.240.0060.04521.21
5.6.230.0100.04421.21
5.6.220.0140.04421.08
5.6.210.0000.04520.80
5.6.200.0030.05621.22
5.6.190.0130.04220.92
5.6.180.0040.04221.00
5.6.170.0000.04620.95
5.6.160.0070.04221.01
5.6.150.0000.05221.21
5.6.140.0070.04021.16
5.6.130.0070.04021.11
5.6.120.0040.04620.99
5.6.110.0060.05421.14
5.6.100.0220.05820.95
5.6.90.0100.04020.94
5.6.80.0070.04020.41
5.6.70.0110.03920.38
5.6.60.0040.05520.52
5.6.50.0120.03420.47
5.6.40.0080.04220.29
5.6.30.0100.04520.58
5.6.20.0180.02920.53
5.6.10.0060.04220.42
5.6.00.0130.04120.36
5.5.380.0000.04717.89
5.5.370.0030.06817.81
5.5.360.0090.04917.74
5.5.350.0130.03417.80
5.5.340.0030.05918.00
5.5.330.0000.05018.21
5.5.320.0030.07717.87
5.5.310.0090.03518.32
5.5.300.0210.03118.29
5.5.290.0060.03818.20
5.5.280.0030.04218.20
5.5.270.0070.04418.25
5.5.260.0090.03718.20
5.5.250.0120.03717.84
5.5.240.0030.04617.44
5.5.230.0040.04017.74
5.5.220.0000.04417.41
5.5.210.0000.04717.63
5.5.200.0040.04317.71
5.5.190.0090.03417.27
5.5.180.0040.03917.56
5.5.160.0090.03517.62
5.5.150.0100.03317.49
5.5.140.0000.04317.60
5.5.130.0030.04517.28
5.5.120.0070.03817.58
5.5.110.0040.05017.40
5.5.100.0040.04017.54
5.5.90.0070.04017.61
5.5.80.0120.03717.19
5.5.70.0070.04117.47
5.5.60.0090.03617.59
5.5.50.0040.03917.53
5.5.40.0000.04617.50
5.5.30.0090.03717.38
5.5.20.0120.03417.18
5.5.10.0040.04617.58
5.5.00.0160.03117.43

preferences:
67.8 ms | 401 KiB | 5 Q