Online PHP editor | perf for 0nohr

<?php $str = <<<HTML <div class="article" id="titleDetails"> <span class="rightcornerlink"> </span> <div class="txt-block"> <h4 class="inline">Country:</h4> <a href="/country/us?ref_=tt_dt_dt" itemprop="url">USA</a> </div> <div class="txt-block"> <h4 class="inline">Language:</h4> <a href="/language/en?ref_=tt_dt_dt" itemprop="url">English</a> </div> </div> HTML; $html = HtmlParser::from_string($str); echo "<pre>"; var_dump(HtmlParser::css_to_xpath('#titleDetails h4')); foreach ($html->find('#titleDetails h4') as $r) { if (preg_match('/Country/', $r->text)) { var_dump($r->text); var_dump($r->parent()->find('a', 0)->text); } } echo "</pre>"; /** * Author: Hitesh Kumar, IIT Delhi. * License: http://en.wikipedia.org/wiki/WTFPL */ class HtmlParser { public static function from_string($str, $xml = false) { libxml_use_internal_errors(true); $html = new DOMDocument(); if($xml) { $html->loadXML($str); } else { $html->preserveWhiteSpace = true; $html->loadHTML($str); } libxml_clear_errors(); $dom_xpath = new DOMXPath($html); return new HtmlNode($html->documentElement, $dom_xpath); } public static function from_file($file, $xml = false) { $str = file_get_contents($file); return self::from_string($str, $xml); } // Converts a given CSS Selector expression to xpath expression. // This function is direct port of firebug's css to xpath convertor. public static function css_to_xpath($rule) { $reg_element = '/^([#.]?)([a-z0-9\\*_-]*)((\|)([a-z0-9\\*_-]*))?/i'; $reg_attr1 = '/^\[([^\]]*)\]/i'; $reg_attr2 = '/^\[\s*([^~=\s]+)\s*(~?=)\s*"([^"]+)"\s*\]/i'; $reg_attr3 = '/^\[\s*([^~=\s]+)\s*(~?=)\s*\'([^\']+)\'\s*\]/i'; $reg_attr4 = '/^\[\s*([^~=\s]+)\s*(~?=)\s*([^\]]+)\s*\]/i'; $reg_pseudo = '/^:([a-z_-]+)($[a-z_-]+$)?/i'; $reg_combinator = '/^(\s*[>+\s])?/i'; $reg_comma = '/^\s*,/i'; $index = 1; $parts = array(".//", "*"); $last_rule = null; while ($rule && $rule !== $last_rule) { $last_rule = $rule; // Trim leading whitespace $rule = trim($rule); if (!$rule) break; // Match the element identifier preg_match($reg_element, $rule, $m); if ($m) { if (!$m[1]) { // XXXjoe Namespace ignored for now if (isset($m[5])) $parts[$index] = $m[5]; else $parts[$index] = $m[2]; } else if ($m[1] == '#') $parts[] = "[@id='" . $m[2] . "']"; else if ($m[1] == '.') $parts[] = "[contains(concat(' ',@class,' '), ' " . $m[2] . " ')]"; $rule = substr($rule, strlen($m[0])); } // Match attribute selectors preg_match($reg_attr4, $rule, $m); if(!$m) preg_match($reg_attr3, $rule, $m); if(!$m) preg_match($reg_attr2, $rule, $m); if ($m) { if ($m[2] == "~=") $parts[] = "[contains(concat(' ', @" . $m[1] . ", ' '), ' " . $m[3] . " ')]"; else $parts[] = "[@" . $m[1] . "='" . $m[3] . "']"; $rule = substr($rule, strlen($m[0])); } else { preg_match($reg_attr1, $rule, $m); if ($m) { $parts[] = "[@" . $m[1] . "]"; $rule = substr($rule, strlen($m[0])); } } // Skip over pseudo-classes and pseudo-elements, which are of no use to us preg_match($reg_pseudo, $rule, $m); while ($m) { // Handle Later // if($m[1] && $m[2]) // { // $m[2] = substr($m[2], 1, -1); // switch($m[1]) // { // case 'contains': // $parts[] = '[contains(translate(normalize-space(string(.)),"ABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwxyz"),translate("'.$m[2].'","ABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwxyz"))]'; // } // } $rule = substr($rule, strlen($m[0])); preg_match($reg_pseudo, $rule, $m); } // Match combinators preg_match($reg_combinator, $rule, $m); if ($m && strlen($m[0])) { if (strpos($m[0], ">") !== false) $parts[] = "/"; else if (strpos($m[0], "+") !== false) $parts[] = "/following-sibling::"; else $parts[] = "//"; $index = count($parts); $parts[] = "*"; $rule = substr($rule, strlen($m[0])); } preg_match($reg_comma, $rule, $m); if ($m) { $parts[] = " | "; $parts[] = ".//"; $index = count($parts); $parts[] = "*"; $rule = substr($rule, strlen($m[0])); } } $xpath = implode("", $parts); return $xpath; } } class HtmlNode { private $dom_xpath; private $node; public function __construct($node, $dom_xpath = null) { $this->node = $node; if($dom_xpath) $this->dom_xpath = $dom_xpath; } // use $node->text for node's text. // use $node->html for node's inner HTML. // use $node->anything for node's attribute. public function __get($name) { if($name == 'text' || $name == 'plaintext') return $this->text(); else if($name == 'html') return $this->html(); else if($this->node->hasAttribute($name)) return $this->node->getAttribute($name); else return null; } // finds nodes by css selector expression. // returns an array of nodes if $idx is not given, otherwise returns a single node at index $idx. // returns null if node not found or error in selector expression. // $idx can be negative (find from last). public function find($query, $idx = null) { $xpath = HtmlParser::css_to_xpath($query); return $this->xpath($xpath, $idx); } // finds nodes by xpath expression. public function xpath($xpath, $idx = null) { $result = $this->dom_xpath->query($xpath, $this->node); if($idx === null) { if(!$result) return array(); return self::wrap_nodes($result, $this->dom_xpath); } else if($idx >= 0) { if(!$result) return null; return self::wrap_node($result->item($idx), $this->dom_xpath); } else { if(!$result) return null; return self::wrap_node($result->item($result->length + $idx), $this->dom_xpath); } } public function child($idx = null) { if(!$this->node->hasChildNodes()) return array(); $nodes = array(); foreach($this->node->childNodes as $node) { if($node->nodeType === XML_ELEMENT_NODE) $nodes[] = $node; } if($idx === null) { if(!$nodes) return array(); return self::wrap_nodes($nodes, $this->dom_xpath); } else if($idx >= 0) { if(!$nodes) return null; return self::wrap_node($nodes[$idx], $this->dom_xpath); } else { if(!$nodes) return null; return self::wrap_node($nodes[count($nodes) + $idx], $this->dom_xpath); } } public function has_child() { if($this->node->hasChildNodes()) { foreach($this->node->childNodes as $node) { if($node->nodeType === XML_ELEMENT_NODE) return true; } } return false; } public function first_child() { $node = $this->node->firstChild; while($node && $node->nodeType !== XML_ELEMENT_NODE) { $node = $node->nextSibling; } return self::wrap_node($node, $this->dom_xpath); } public function last_child() { $node = $this->node->lastChild; while($node && $node->nodeType !== XML_ELEMENT_NODE) { $node = $node->previousSibling; } return self::wrap_node($node, $this->dom_xpath); } public function parent() { $node = $this->node->parentNode; while($node && $node->nodeType !== XML_ELEMENT_NODE) { $node = $node->parentNode; } return self::wrap_node($node, $this->dom_xpath); } public function next() { $node = $this->node->nextSibling; while($node && $node->nodeType !== XML_ELEMENT_NODE) { $node = $node->nextSibling; } return self::wrap_node($node, $this->dom_xpath); } public function prev() { $node = $this->node->previousSibling; while($node && $node->nodeType !== XML_ELEMENT_NODE) { $node = $node->previousSibling; } return self::wrap_node($node, $this->dom_xpath); } public function text() { return $this->node->nodeValue; } public function html() { $tag = $this->node_name(); return preg_replace('@(^<' . $tag . '[^>]*>)|(</' . $tag . '>$)@', '', $this->outer_html()); } public function inner_html() { return $this->html(); } public function outer_html() { $doc = new DOMDocument(); $doc->appendChild($doc->importNode($this->node, TRUE)); $html = trim($doc->saveHTML()); return $html; } public function node_name() { return $this->node->nodeName; } // Wrap given DOMNodes in HtmlNode and return an array of them. private static function wrap_nodes($nodes, $dom_xpath = null) { $wrapped = array(); foreach($nodes as $node) { $wrapped[] = new HtmlNode($node, $dom_xpath); } return $wrapped; } // Wrap a given DOMNode in HtmlNode. private static function wrap_node($node, $dom_xpath = null) { if($node == null) return null; return new HtmlNode($node, $dom_xpath); } }

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).

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.012	0.006	19.04
8.3.5	0.012	0.007	21.64
8.3.4	0.012	0.004	19.51
8.3.3	0.008	0.011	20.70
8.3.2	0.004	0.004	21.15
8.3.1	0.008	0.000	21.42
8.3.0	0.003	0.005	24.16
8.2.18	0.010	0.010	17.50
8.2.17	0.016	0.007	22.96
8.2.16	0.007	0.007	20.88
8.2.15	0.003	0.006	24.18
8.2.14	0.008	0.000	24.66
8.2.13	0.000	0.008	26.16
8.2.12	0.004	0.004	21.40
8.2.11	0.010	0.000	19.83
8.2.10	0.006	0.006	18.61
8.2.9	0.003	0.005	19.55
8.2.8	0.006	0.003	18.43
8.2.7	0.003	0.006	18.13
8.2.6	0.004	0.004	18.54
8.2.5	0.006	0.003	18.38
8.2.4	0.012	0.000	18.67
8.2.3	0.003	0.005	20.08
8.2.2	0.003	0.005	18.54
8.2.1	0.003	0.006	18.58
8.2.0	0.003	0.007	18.40
8.1.28	0.003	0.016	25.92
8.1.27	0.004	0.004	23.99
8.1.26	0.004	0.004	26.35
8.1.25	0.004	0.004	28.09
8.1.24	0.003	0.007	23.09
8.1.23	0.004	0.008	21.47
8.1.22	0.000	0.008	18.77
8.1.21	0.006	0.003	19.59
8.1.20	0.007	0.003	18.00
8.1.19	0.004	0.004	18.14
8.1.18	0.008	0.000	18.27
8.1.17	0.003	0.006	19.27
8.1.16	0.008	0.000	19.41
8.1.15	0.008	0.000	19.35
8.1.14	0.005	0.003	18.09
8.1.13	0.005	0.002	18.38
8.1.12	0.005	0.003	18.13
8.1.11	0.000	0.008	18.08
8.1.10	0.004	0.004	18.09
8.1.9	0.006	0.003	18.11
8.1.8	0.008	0.000	18.14
8.1.7	0.000	0.008	18.08
8.1.6	0.003	0.005	18.30
8.1.5	0.004	0.004	18.14
8.1.4	0.003	0.006	18.17
8.1.3	0.006	0.003	18.35
8.1.2	0.000	0.008	18.33
8.1.1	0.000	0.008	18.14
8.1.0	0.004	0.004	18.17
8.0.30	0.005	0.003	20.52
8.0.29	0.000	0.008	17.80
8.0.28	0.003	0.005	19.08
8.0.27	0.006	0.003	17.82
8.0.26	0.003	0.006	17.45
8.0.25	0.000	0.008	17.67
8.0.24	0.000	0.009	17.61
8.0.23	0.005	0.003	17.64
8.0.22	0.004	0.004	17.69
8.0.21	0.007	0.004	17.54
8.0.20	0.005	0.003	17.70
8.0.19	0.009	0.000	17.56
8.0.18	0.000	0.008	17.61
8.0.17	0.003	0.005	17.54
8.0.16	0.000	0.008	17.65
8.0.15	0.005	0.003	17.56
8.0.14	0.006	0.003	17.63
8.0.13	0.003	0.003	13.98
8.0.12	0.009	0.000	17.68
8.0.11	0.005	0.003	17.71
8.0.10	0.004	0.004	17.59
8.0.9	0.008	0.000	17.72
8.0.8	0.009	0.009	17.68
8.0.7	0.009	0.000	17.68
8.0.6	0.000	0.008	17.41
8.0.5	0.003	0.005	17.71
8.0.3	0.007	0.014	17.59
8.0.2	0.008	0.012	17.97
8.0.1	0.000	0.008	17.75
8.0.0	0.008	0.011	17.49
7.4.33	0.006	0.000	17.05
7.4.32	0.000	0.007	17.25
7.4.30	0.000	0.007	17.15
7.4.29	0.006	0.003	17.38
7.4.28	0.000	0.008	17.33
7.4.27	0.004	0.004	17.17
7.4.26	0.006	0.000	14.00
7.4.25	0.000	0.009	17.29
7.4.24	0.008	0.000	17.37
7.4.23	0.008	0.000	17.52
7.4.22	0.011	0.008	17.48
7.4.21	0.011	0.007	17.32
7.4.20	0.004	0.004	17.43
7.4.19	0.008	0.000	17.29
7.4.16	0.012	0.006	17.53
7.4.15	0.013	0.010	17.40
7.4.14	0.010	0.009	17.86
7.4.13	0.005	0.014	17.18
7.4.12	0.010	0.009	17.43
7.4.11	0.004	0.015	17.21
7.4.10	0.007	0.011	17.29
7.4.9	0.003	0.016	17.22
7.4.8	0.013	0.006	19.39
7.4.7	0.015	0.003	17.31
7.4.6	0.018	0.006	17.12
7.4.5	0.004	0.004	16.94
7.4.4	0.006	0.012	22.77
7.4.3	0.011	0.008	17.20
7.4.0	0.003	0.013	15.45
7.3.33	0.000	0.006	14.00
7.3.32	0.006	0.000	14.04
7.3.31	0.003	0.006	17.00
7.3.30	0.003	0.006	17.07
7.3.29	0.006	0.009	16.99
7.3.28	0.010	0.010	17.05
7.3.27	0.007	0.011	17.40
7.3.26	0.012	0.015	18.24
7.3.25	0.008	0.013	17.18
7.3.24	0.006	0.012	17.26
7.3.23	0.006	0.012	17.22
7.3.21	0.015	0.003	17.21
7.3.20	0.004	0.016	19.39
7.3.19	0.010	0.010	17.11
7.3.18	0.009	0.009	17.32
7.3.17	0.003	0.017	17.40
7.3.16	0.013	0.006	17.24
7.3.12	0.004	0.015	15.14
7.2.33	0.006	0.015	17.30
7.2.32	0.010	0.016	17.34
7.2.31	0.007	0.014	17.30
7.2.30	0.014	0.003	17.41
7.2.29	0.006	0.012	17.29
7.2.0	0.004	0.011	19.94
7.1.20	0.003	0.010	16.08
7.1.10	0.004	0.013	18.81
7.1.7	0.006	0.003	17.68
7.1.6	0.003	0.010	19.17
7.1.5	0.020	0.013	34.74
7.1.0	0.000	0.053	22.57
7.0.20	0.006	0.003	16.83
7.0.14	0.013	0.067	22.31
7.0.10	0.020	0.077	20.30
7.0.9	0.010	0.080	20.26
7.0.8	0.007	0.070	20.25
7.0.7	0.020	0.073	20.28
7.0.6	0.003	0.087	20.22
7.0.5	0.003	0.087	20.64
7.0.4	0.007	0.087	20.29
7.0.3	0.007	0.077	20.30
7.0.2	0.007	0.080	20.31
7.0.1	0.003	0.067	20.25
7.0.0	0.023	0.027	20.25
5.6.28	0.003	0.077	21.30
5.6.25	0.010	0.083	20.99
5.6.24	0.007	0.050	20.96
5.6.23	0.020	0.070	20.79
5.6.22	0.003	0.087	20.94
5.6.21	0.013	0.043	20.82
5.6.20	0.007	0.083	21.30
5.6.19	0.017	0.080	21.20
5.6.18	0.010	0.077	21.35
5.6.17	0.007	0.080	21.21
5.6.16	0.010	0.080	21.26
5.6.15	0.003	0.077	21.29
5.6.14	0.013	0.080	21.28
5.6.13	0.010	0.047	21.35
5.6.12	0.017	0.070	21.22
5.6.11	0.013	0.037	21.28
5.6.10	0.017	0.073	21.20
5.6.9	0.010	0.087	21.18
5.6.8	0.010	0.077	20.73
5.6.7	0.010	0.053	20.71
5.6.6	0.007	0.057	20.57
5.6.5	0.010	0.047	20.59
5.6.4	0.013	0.057	20.58
5.6.3	0.003	0.053	20.69
5.6.2	0.007	0.077	20.67
5.6.1	0.013	0.073	20.66
5.6.0	0.017	0.067	20.70
5.5.38	0.010	0.067	20.72
5.5.37	0.017	0.067	20.59
5.5.36	0.007	0.087	20.79
5.5.35	0.010	0.077	20.68
5.5.34	0.023	0.073	21.14
5.5.33	0.013	0.073	21.03
5.5.32	0.010	0.077	21.13
5.5.31	0.003	0.040	21.07
5.5.30	0.007	0.073	21.09
5.5.29	0.020	0.030	21.04
5.5.28	0.003	0.083	21.04
5.5.27	0.010	0.073	21.13
5.5.26	0.007	0.043	21.13
5.5.25	0.007	0.080	20.79
5.5.24	0.017	0.060	20.39
5.5.23	0.010	0.073	20.50
5.5.22	0.013	0.070	20.50
5.5.21	0.010	0.067	20.49
5.5.20	0.013	0.063	20.40
5.5.19	0.017	0.067	20.42
5.5.18	0.003	0.080	20.44
5.5.16	0.013	0.077	20.39
5.5.15	0.007	0.070	20.44
5.5.14	0.010	0.063	20.32
5.5.13	0.010	0.077	20.43
5.5.12	0.007	0.080	20.43
5.5.11	0.000	0.077	20.41
5.5.10	0.010	0.067	20.36
5.5.9	0.007	0.077	20.27
5.5.8	0.007	0.083	20.22
5.5.7	0.010	0.083	20.31
5.5.6	0.007	0.040	20.32
5.5.5	0.003	0.080	20.36
5.5.4	0.023	0.040	20.27
5.5.3	0.010	0.037	20.32
5.5.2	0.017	0.050	20.34
5.5.1	0.003	0.047	20.22
5.5.0	0.013	0.070	20.28
5.4.45	0.010	0.073	19.59
5.4.44	0.000	0.087	19.43
5.4.43	0.007	0.073	19.66
5.4.42	0.020	0.053	19.71
5.4.41	0.017	0.053	19.56
5.4.40	0.003	0.060	19.20
5.4.39	0.013	0.070	19.13
5.4.38	0.020	0.067	19.11
5.4.37	0.007	0.083	19.27
5.4.36	0.010	0.077	19.26
5.4.35	0.010	0.067	19.30
5.4.34	0.007	0.073	19.10
5.4.32	0.010	0.067	19.31
5.4.31	0.007	0.070	19.35
5.4.30	0.013	0.047	19.29
5.4.29	0.007	0.047	19.22
5.4.28	0.007	0.083	19.31
5.4.27	0.003	0.040	19.38
5.4.26	0.010	0.047	19.10
5.4.25	0.007	0.043	19.40
5.4.24	0.003	0.067	19.32
5.4.23	0.013	0.073	19.34
5.4.22	0.003	0.047	19.34
5.4.21	0.003	0.070	19.38
5.4.20	0.007	0.083	19.33
5.4.19	0.003	0.070	19.30
5.4.18	0.007	0.070	19.09
5.4.17	0.007	0.063	19.21
5.4.16	0.020	0.067	19.27
5.4.15	0.003	0.040	19.37
5.4.14	0.007	0.070	16.70
5.4.13	0.013	0.070	16.50
5.4.12	0.010	0.067	16.59
5.4.11	0.007	0.073	16.67
5.4.10	0.007	0.077	16.57
5.4.9	0.000	0.080	16.72
5.4.8	0.007	0.037	16.77
5.4.7	0.007	0.047	16.77
5.4.6	0.003	0.050	16.64
5.4.5	0.010	0.073	16.69
5.4.4	0.000	0.053	16.61
5.4.3	0.003	0.077	16.68
5.4.2	0.017	0.057	16.72
5.4.1	0.010	0.053	16.56
5.4.0	0.000	0.067	15.96
5.3.29	0.003	0.077	14.91
5.3.28	0.013	0.070	14.84
5.3.27	0.007	0.073	14.93
5.3.26	0.013	0.050	15.01
5.3.25	0.003	0.067	14.96
5.3.24	0.007	0.077	14.93
5.3.23	0.010	0.070	14.92
5.3.22	0.003	0.063	14.98
5.3.21	0.003	0.040	14.89
5.3.20	0.017	0.067	14.91
5.3.19	0.007	0.073	14.97
5.3.18	0.003	0.043	14.88
5.3.17	0.003	0.080	14.89
5.3.16	0.003	0.047	14.82
5.3.15	0.000	0.073	14.93
5.3.14	0.000	0.060	14.88
5.3.13	0.003	0.063	14.99
5.3.12	0.007	0.060	14.80
5.3.11	0.013	0.063	14.95
5.3.10	0.010	0.033	14.46
5.3.9	0.013	0.063	14.37
5.3.8	0.007	0.060	14.28
5.3.7	0.017	0.063	14.32
5.3.6	0.003	0.063	14.19
5.3.5	0.007	0.073	14.29
5.3.4	0.017	0.050	14.28
5.3.3	0.010	0.070	14.19
5.3.2	0.007	0.070	13.94
5.3.1	0.007	0.053	13.90
5.3.0	0.010	0.043	13.84