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imported simplehtmldom parser

http://simplehtmldom.sourceforge.net/

$cd /opt/nginx/html/firetube/app/vendors
$wget http://ovh.dl.sourceforge.net/sourceforge/simplehtmldom/simplehtmldom_0_99.zip
$unzip simplehtmldom_0_99.zip
$rm simplehtmldom_0_99.zip
git add simplehtmldom
see why
http://mapopa.blogspot.com/2008/09/php-is-template-engine-i-wrote-about.html

thanks for Rasmums Lerdorf for the idea (go back to the php roots)
i think it was an talk on talks.php.net
  • Loading branch information...
commit 7169e7d190e1c9874e478e08f7d1056c9f940d9f 1 parent be5f75a
Popa Marius Adrian authored September 03, 2008
54  app/vendors/simplehtmldom/example/example_advanced_selector.php
... ...
@@ -0,0 +1,54 @@
  1
+<?php
  2
+// example of how to use advanced selector features
  3
+include('../simple_html_dom.php');
  4
+
  5
+// -----------------------------------------------------------------------------
  6
+// descendant selector
  7
+$str = <<<HTML
  8
+<div>
  9
+    <div>
  10
+        <div class="foo bar">ok</div>
  11
+    </div>
  12
+</div>
  13
+HTML;
  14
+
  15
+$html = str_get_html($str);
  16
+echo $html->find('div div div', 0)->innertext . '<br>'; // result: "ok"
  17
+
  18
+// -----------------------------------------------------------------------------
  19
+// nested selector
  20
+$str = <<<HTML
  21
+<ul id="ul1">
  22
+    <li>item:<span>1</span></li>
  23
+    <li>item:<span>2</span></li>
  24
+</ul>
  25
+<ul id="ul2">
  26
+    <li>item:<span>3</span></li>
  27
+    <li>item:<span>4</span></li>
  28
+</ul>
  29
+HTML;
  30
+
  31
+$html = str_get_html($str);
  32
+foreach($html->find('ul') as $ul) {
  33
+    foreach($ul->find('li') as $li)
  34
+        echo $li->innertext . '<br>';
  35
+}
  36
+
  37
+// -----------------------------------------------------------------------------
  38
+// parsing checkbox
  39
+$str = <<<HTML
  40
+<form name="form1" method="post" action="">
  41
+    <input type="checkbox" name="checkbox1" value="checkbox1" checked>item1<br>
  42
+    <input type="checkbox" name="checkbox2" value="checkbox2">item2<br>
  43
+    <input type="checkbox" name="checkbox3" value="checkbox3" checked>item3<br>
  44
+</form>
  45
+HTML;
  46
+
  47
+$html = str_get_html($str);
  48
+foreach($html->find('input[type=checkbox]') as $checkbox) {
  49
+    if ($checkbox->checked)
  50
+        echo $checkbox->name . ' is checked<br>';
  51
+    else
  52
+        echo $checkbox->name . ' is not checked<br>';
  53
+}
  54
+?>
37  app/vendors/simplehtmldom/example/example_basic_selector.php
... ...
@@ -0,0 +1,37 @@
  1
+<?php
  2
+// example of how to use basic selector to retrieve HTML contents
  3
+include('../simple_html_dom.php');
  4
+ 
  5
+// get DOM from URL or file
  6
+$html = file_get_html('http://www.google.com/');
  7
+
  8
+// find all link
  9
+foreach($html->find('a') as $e) 
  10
+    echo $e->href . '<br>';
  11
+
  12
+// find all image
  13
+foreach($html->find('img') as $e)
  14
+    echo $e->src . '<br>';
  15
+
  16
+// find all image with full tag
  17
+foreach($html->find('img') as $e)
  18
+    echo $e->outertext . '<br>';
  19
+
  20
+// find all div tags with id=gbar
  21
+foreach($html->find('div#gbar') as $e)
  22
+    echo $e->innertext . '<br>';
  23
+
  24
+// find all span tags with class=gb1
  25
+foreach($html->find('span.gb1') as $e)
  26
+    echo $e->outertext . '<br>';
  27
+
  28
+// find all td tags with attribite align=center
  29
+foreach($html->find('td[align=center]') as $e)
  30
+    echo $e->innertext . '<br>';
  31
+    
  32
+// extract text from table
  33
+echo $html->find('td[align="center"]', 1)->plaintext.'<br><hr>';
  34
+
  35
+// extract text from HTML
  36
+echo $html->plaintext;
  37
+?>
28  app/vendors/simplehtmldom/example/example_callback.php
... ...
@@ -0,0 +1,28 @@
  1
+<?php
  2
+include_once('../simple_html_dom.php');
  3
+
  4
+
  5
+// 1. Write a function with parameter "$element"
  6
+function my_callback($element) {
  7
+    if ($element->tag=='input')
  8
+        $element->outertext = 'input';
  9
+
  10
+    if ($element->tag=='img')
  11
+        $element->outertext = 'img';
  12
+
  13
+    if ($element->tag=='a')
  14
+        $element->outertext = 'a';
  15
+}
  16
+
  17
+
  18
+// 2. create HTML Dom
  19
+$html = file_get_html('http://www.google.com/');
  20
+
  21
+
  22
+// 3. Register the callback function with it's function name
  23
+$html->set_callback('my_callback');
  24
+
  25
+
  26
+// 4. Callback function will be invoked while dumping
  27
+echo $html;
  28
+?>
5  app/vendors/simplehtmldom/example/example_extract_html.php
... ...
@@ -0,0 +1,5 @@
  1
+<?php
  2
+include_once('../simple_html_dom.php');
  3
+
  4
+echo file_get_html('http://www.google.com/')->plaintext;
  5
+?>
18  app/vendors/simplehtmldom/example/example_modify_contents.php
... ...
@@ -0,0 +1,18 @@
  1
+<?php
  2
+// example of how to modify HTML contents
  3
+include('../simple_html_dom.php');
  4
+
  5
+// get DOM from URL or file
  6
+$html = file_get_html('http://www.google.com/');
  7
+
  8
+// remove all image
  9
+foreach($html->find('img') as $e)
  10
+    $e->outertext = '';
  11
+
  12
+// replace all input
  13
+foreach($html->find('input') as $e)
  14
+    $e->outertext = '[INPUT]';
  15
+
  16
+// dump contents
  17
+echo $html;
  18
+?>
44  app/vendors/simplehtmldom/example/scraping/example_scraping_digg.php
... ...
@@ -0,0 +1,44 @@
  1
+<?php
  2
+include_once('../../simple_html_dom.php');
  3
+
  4
+function scraping_digg() {
  5
+    // create HTML DOM
  6
+    $html = file_get_html('http://digg.com/');
  7
+
  8
+    // get news block
  9
+    foreach($html->find('div.news-summary') as $article) {
  10
+        // get title
  11
+        $item['title'] = trim($article->find('h3', 0)->plaintext);
  12
+        // get details
  13
+        $item['details'] = trim($article->find('p', 0)->plaintext);
  14
+        // get intro
  15
+        $item['diggs'] = trim($article->find('li a strong', 0)->plaintext);
  16
+
  17
+        $ret[] = $item;
  18
+    }
  19
+    
  20
+    // clean up memory
  21
+    $html->clear();
  22
+    unset($html);
  23
+
  24
+    return $ret;
  25
+}
  26
+
  27
+
  28
+// -----------------------------------------------------------------------------
  29
+// test it!
  30
+
  31
+// "http://digg.com" will check user_agent header...
  32
+ini_set('user_agent', 'My-Application/2.5');
  33
+
  34
+$ret = scraping_digg();
  35
+
  36
+foreach($ret as $v) {
  37
+    echo $v['title'].'<br>';
  38
+    echo '<ul>';
  39
+    echo '<li>'.$v['details'].'</li>';
  40
+    echo '<li>Diggs: '.$v['diggs'].'</li>';
  41
+    echo '</ul>';
  42
+}
  43
+
  44
+?>
51  app/vendors/simplehtmldom/example/scraping/example_scraping_imdb.php
... ...
@@ -0,0 +1,51 @@
  1
+<?php
  2
+include_once('../../simple_html_dom.php');
  3
+
  4
+function scraping_IMDB($url) {
  5
+    // create HTML DOM
  6
+    $html = file_get_html($url);
  7
+
  8
+    // get title
  9
+    $ret['Title'] = $html->find('title', 0)->innertext;
  10
+
  11
+    // get rating
  12
+    $ret['Rating'] = $html->find('div[class="general rating"] b', 0)->innertext;
  13
+
  14
+    // get overview
  15
+    foreach($html->find('div[class="info"]') as $div) {
  16
+        // skip user comments
  17
+        if($div->find('h5', 0)->innertext=='User Comments:')
  18
+            return $ret;
  19
+
  20
+        $key = '';
  21
+        $val = '';
  22
+
  23
+        foreach($div->find('*') as $node) {
  24
+            if ($node->tag=='h5')
  25
+                $key = $node->plaintext;
  26
+
  27
+            if ($node->tag=='a' && $node->plaintext!='more')
  28
+                $val .= trim(str_replace("\n", '', $node->plaintext));
  29
+
  30
+            if ($node->tag=='text')
  31
+                $val .= trim(str_replace("\n", '', $node->plaintext));
  32
+        }
  33
+
  34
+        $ret[$key] = $val;
  35
+    }
  36
+    
  37
+    // clean up memory
  38
+    $html->clear();
  39
+    unset($html);
  40
+
  41
+    return $ret;
  42
+}
  43
+
  44
+
  45
+// -----------------------------------------------------------------------------
  46
+// test it!
  47
+$ret = scraping_IMDB('http://imdb.com/title/tt0335266/');
  48
+
  49
+foreach($ret as $k=>$v)
  50
+    echo '<strong>'.$k.' </strong>'.$v.'<br>';
  51
+?>
38  app/vendors/simplehtmldom/example/scraping/example_scraping_slashdot.php
... ...
@@ -0,0 +1,38 @@
  1
+<?php
  2
+include_once('../../simple_html_dom.php');
  3
+
  4
+function scraping_slashdot() {
  5
+    // create HTML DOM
  6
+    $html = file_get_html('http://slashdot.org/');
  7
+
  8
+    // get article block
  9
+    foreach($html->find('div.article') as $article) {
  10
+        // get title
  11
+        $item['title'] = trim($article->find('div.title', 0)->plaintext);
  12
+        // get details
  13
+        $item['details'] = trim($article->find('div.details', 0)->plaintext);
  14
+        // get intro
  15
+        $item['intro'] = trim($article->find('div.intro', 0)->plaintext);
  16
+
  17
+        $ret[] = $item;
  18
+    }
  19
+    
  20
+    // clean up memory
  21
+    $html->clear();
  22
+    unset($html);
  23
+
  24
+    return $ret;
  25
+}
  26
+
  27
+// -----------------------------------------------------------------------------
  28
+// test it!
  29
+$ret = scraping_slashdot();
  30
+
  31
+foreach($ret as $v) {
  32
+    echo $v['title'].'<br>';
  33
+    echo '<ul>';
  34
+    echo '<li>'.$v['details'].'</li>';
  35
+    echo '<li>'.$v['intro'].'</li>';
  36
+    echo '</ul>';
  37
+}
  38
+?>
35  app/vendors/simplehtmldom/example/simple_html_dom_utility.php
... ...
@@ -0,0 +1,35 @@
  1
+<?php
  2
+include_once('../simple_html_dom.php');
  3
+
  4
+// -----------------------------------------------------------------------------
  5
+// remove HTML comments
  6
+function html_no_comment($url) {
  7
+    // create HTML DOM
  8
+    $html = file_get_html($url);
  9
+
  10
+    // remove all comment elements
  11
+    foreach($html->find('comment') as $e)
  12
+        $e->outertext = '';
  13
+
  14
+    $ret = $html->save();
  15
+
  16
+    // clean up memory
  17
+    $html->clear();
  18
+    unset($html);
  19
+
  20
+    return $ret;
  21
+}
  22
+
  23
+// -----------------------------------------------------------------------------
  24
+// search elements that contains an specific text
  25
+function find_contains($html, $selector, $keyword, $index=-1) {
  26
+    $ret = array();
  27
+    foreach ($html->find($selector) as $e) {
  28
+        if (strpos($e->innertext, $keyword)!==false)
  29
+            $ret[] = $e;
  30
+    }
  31
+
  32
+    if ($index<0) return $ret;
  33
+    return (isset($ret[$index])) ? $ret[$index] : null;
  34
+}
  35
+?>
113  app/vendors/simplehtmldom/manual/css/default.css
... ...
@@ -0,0 +1,113 @@
  1
+/*$Rev: 46 $*/
  2
+
  3
+body {
  4
+margin: 0;
  5
+padding: 0;
  6
+font-family: verdana,arial,helvetica,sans-serif;
  7
+font-size: 11px;
  8
+color: #4F5155;
  9
+}
  10
+
  11
+#content {
  12
+margin: 0 20px 0 20px;
  13
+line-height: 16px;
  14
+padding: 0;
  15
+}
  16
+
  17
+h1 {
  18
+font-size: 18px;
  19
+margin: 0;
  20
+padding: 0 0 2px 0;
  21
+background-color: #D0D0D0;
  22
+text-align: center;
  23
+}
  24
+
  25
+h2 {
  26
+background-color: #727EA3;
  27
+border-right: 1px solid #D0D0D0;
  28
+border-bottom: 1px solid #D0D0D0;
  29
+color: #FFFFFF;
  30
+font-size: 14px;
  31
+font-weight: bold;
  32
+margin: 14px 0 4px 0;
  33
+padding: 1px 10px 1px 10px;
  34
+}
  35
+
  36
+ul {
  37
+margin-top: 0;
  38
+margin-bottom: 0;
  39
+line-height:1.5em;
  40
+list-style-image:url(bullet.gif);
  41
+list-style-type:square;
  42
+}
  43
+
  44
+.top {
  45
+font-size: 11px;
  46
+float: right;
  47
+}
  48
+
  49
+.code {
  50
+font-size: 11px;
  51
+font-family: Monaco, Verdana, Sans-serif;
  52
+line-height: 14px;
  53
+background-color: #f6f6f6;
  54
+border-bottom: 1px solid #D0D0D0;
  55
+border-top: 1px solid #A0A0A0;
  56
+border-left: 1px solid #A0A0A0;
  57
+border-right: 1px solid #D0D0D0;
  58
+color: #002166;
  59
+display: block;
  60
+margin: 2px 0 2px 0;
  61
+padding: 2px 10px 2px 10px;
  62
+}
  63
+
  64
+.code A:link {color: #002166; text-decoration: none; font-weight: bold;}
  65
+.code A:visited {color: #002166; text-decoration: none; font-weight: bold;}
  66
+.code A:active {color: #002166; text-decoration: none; font-weight: bold;}
  67
+.code A:hover {color: #0000ff; text-decoration: underline; font-weight: bold;}
  68
+
  69
+.code .keyword {
  70
+color: #007700;
  71
+}
  72
+
  73
+.code .comment {
  74
+font-size: 10px;
  75
+color: #888;
  76
+}
  77
+
  78
+.code .var {
  79
+color: #770000;
  80
+}
  81
+
  82
+th {
  83
+font-family: Lucida Grande, Verdana, Geneva, Sans-serif;
  84
+color: #000000;
  85
+background-color: #CFD4E6;
  86
+margin: 2px 2px 2px 2px;
  87
+padding: 2px 2px 2px 2px;
  88
+font-size: 13px;
  89
+font-weight: normal;
  90
+font-style: normal;
  91
+}
  92
+
  93
+td {
  94
+background-color: #dddddd;
  95
+}
  96
+
  97
+.description {
  98
+font-family: Lucida Grande, Verdana, Geneva, Sans-serif;
  99
+font-size: 11px;
  100
+color: #333;
  101
+text-ident: 30px;
  102
+font-style: normal;
  103
+}
  104
+
  105
+.returns {
  106
+font-family: Monaco, Verdana, Sans-serif;
  107
+font-size: 10px;
  108
+color: #888;
  109
+float: left;
  110
+text-align: right;
  111
+margin: 0 4px 0 0;
  112
+width: 48px;
  113
+}
116  app/vendors/simplehtmldom/manual/css/ui.tabs.css
... ...
@@ -0,0 +1,116 @@
  1
+/* Caution! Ensure accessibility in print and other media types... */
  2
+@media projection, screen { /* Use class for showing/hiding tab content, so that visibility can be better controlled in different media types... */
  3
+    .ui-tabs-hide {
  4
+        display: none;
  5
+    }
  6
+}
  7
+
  8
+/* Hide useless elements in print layouts... */
  9
+@media print {
  10
+    .ui-tabs-nav {
  11
+        display: none;
  12
+    }
  13
+}
  14
+
  15
+/* Skin */
  16
+.ui-tabs-nav, .ui-tabs-panel {
  17
+    font-family: "Trebuchet MS", Trebuchet, Verdana, Helvetica, Arial, sans-serif;
  18
+    font-size: 12px;
  19
+}
  20
+.ui-tabs-nav {
  21
+    list-style: none;
  22
+    margin: 0;
  23
+    padding: 0 0 0 4px;
  24
+}
  25
+.ui-tabs-nav:after { /* clearing without presentational markup, IE gets extra treatment */
  26
+    display: block;
  27
+    clear: both;
  28
+    content: " ";
  29
+}
  30
+.ui-tabs-nav li {
  31
+    float: left;
  32
+    margin: 0 0 0 1px;
  33
+    min-width: 84px; /* be nice to Opera */
  34
+}
  35
+.ui-tabs-nav a, .ui-tabs-nav a span {
  36
+    display: block;
  37
+    padding: 0 10px;
  38
+    background: url(../img/tab.png) no-repeat;
  39
+}
  40
+.ui-tabs-nav a {
  41
+    margin: 1px 0 0; /* position: relative makes opacity fail for disabled tab in IE */
  42
+    padding-left: 0;
  43
+    color: #27537a;
  44
+    font-weight: bold;
  45
+    line-height: 1.2;
  46
+    text-align: center;
  47
+    text-decoration: none;
  48
+    white-space: nowrap; /* required in IE 6 */    
  49
+    outline: 0; /* prevent dotted border in Firefox */
  50
+}
  51
+.ui-tabs-nav .ui-tabs-selected a {
  52
+    position: relative;
  53
+    top: 1px;
  54
+    z-index: 2;
  55
+    margin-top: 0;
  56
+    color: #000;
  57
+}
  58
+.ui-tabs-nav a span {
  59
+    width: 64px; /* IE 6 treats width as min-width */
  60
+    min-width: 64px;
  61
+    height: 18px; /* IE 6 treats height as min-height */
  62
+    min-height: 18px;
  63
+    padding-top: 6px;
  64
+    padding-right: 0;
  65
+}
  66
+*>.ui-tabs-nav a span { /* hide from IE 6 */
  67
+    width: auto;
  68
+    height: auto;
  69
+}
  70
+.ui-tabs-nav .ui-tabs-selected a span {
  71
+    padding-bottom: 1px;
  72
+}
  73
+.ui-tabs-nav .ui-tabs-selected a, .ui-tabs-nav a:hover, .ui-tabs-nav a:focus, .ui-tabs-nav a:active {
  74
+    background-position: 100% -150px;
  75
+}
  76
+.ui-tabs-nav a, .ui-tabs-nav .ui-tabs-disabled a:hover, .ui-tabs-nav .ui-tabs-disabled a:focus, .ui-tabs-nav .ui-tabs-disabled a:active {
  77
+    background-position: 100% -100px;
  78
+}
  79
+.ui-tabs-nav .ui-tabs-selected a span, .ui-tabs-nav a:hover span, .ui-tabs-nav a:focus span, .ui-tabs-nav a:active span {
  80
+    background-position: 0 -50px;
  81
+}
  82
+.ui-tabs-nav a span, .ui-tabs-nav .ui-tabs-disabled a:hover span, .ui-tabs-nav .ui-tabs-disabled a:focus span, .ui-tabs-nav .ui-tabs-disabled a:active span {
  83
+    background-position: 0 0;
  84
+}
  85
+.ui-tabs-nav .ui-tabs-selected a:link, .ui-tabs-nav .ui-tabs-selected a:visited, .ui-tabs-nav .ui-tabs-disabled a:link, .ui-tabs-nav .ui-tabs-disabled a:visited { /* @ Opera, use pseudo classes otherwise it confuses cursor... */
  86
+    cursor: text;
  87
+}
  88
+.ui-tabs-nav a:hover, .ui-tabs-nav a:focus, .ui-tabs-nav a:active,
  89
+.ui-tabs-nav .ui-tabs-unselect a:hover, .ui-tabs-nav .ui-tabs-unselect a:focus, .ui-tabs-nav .ui-tabs-unselect a:active { /* @ Opera, we need to be explicit again here now... */
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+    cursor: pointer;
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+}
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+.ui-tabs-disabled {
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+    opacity: .4;
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+    filter: alpha(opacity=40);
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+}
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+.ui-tabs-panel {
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+    border-top: 1px solid #97a5b0;
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+    padding: 2px 4px 2px 4px;
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+    background: #fff; /* declare background color for container to avoid distorted fonts in IE while fading */
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+    border: 1px solid #D0D0D0;
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+    border-bottom: 1px solid #A0A0A0;
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+    border-right: 1px solid #A0A0A0;
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+}
  104
+.ui-tabs-loading em {
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+    padding: 0 0 0 20px;
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+    background: url(loading.gif) no-repeat 0 50%;
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+}
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+
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+/* Additional IE specific bug fixes... */
  110
+* html .ui-tabs-nav { /* auto clear, @ IE 6 & IE 7 Quirks Mode */
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+    display: inline-block;
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+}
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+*:first-child+html .ui-tabs-nav  { /* @ IE 7 Standards Mode - do not group selectors, otherwise IE 6 will ignore complete rule (because of the unknown + combinator)... */
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+    display: inline-block;
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+}
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+
BIN  app/vendors/simplehtmldom/manual/img/tab.png
11  app/vendors/simplehtmldom/manual/js/jquery-1.2.3.pack.js
... ...
@@ -0,0 +1,11 @@
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+/*
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+ * jQuery 1.2.3 - New Wave Javascript
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+ *
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+ * Copyright (c) 2008 John Resig (jquery.com)
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+ * Dual licensed under the MIT (MIT-LICENSE.txt)
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+ * and GPL (GPL-LICENSE.txt) licenses.
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+ *
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+ * $Date: 2008-02-06 00:21:25 -0500 (Wed, 06 Feb 2008) $
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+ * $Rev: 4663 $
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+ */
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10  app/vendors/simplehtmldom/manual/js/ui.tabs.pack.js
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  1
+/*
  2
+ * Tabs 3 - New Wave Tabs
  3
+ *
  4
+ * Copyright (c) 2007 Klaus Hartl (stilbuero.de)
  5
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
  6
+ * and GPL (GPL-LICENSE.txt) licenses.
  7
+ *
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+ * http://docs.jquery.com/UI/Tabs
  9
+ */
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+eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('(6($){$.4=$.4||{};$.2o.3=6(){7 b=1K 1q[0]==\'1X\'&&1q[0];7 c=b&&1P.1N.2g.2c(1q,1)||1q;l b==\'C\'?$.m(2[0],\'4-3\').$3.C:2.I(6(){5(b){7 a=$.m(2,\'4-3\');a[b].2n(a,c)}D 2l $.4.3(2,c[0]||{})})};$.4.3=6(e,f){7 d=2;2.q=e;2.8=$.1H({p:0,S:f.p===L,12:\'1A\',t:[],G:L,1l:\'2B&#2x;\',K:y,1R:\'4-3-\',1j:{},X:L,1Q:\'<E><a x="#{x}"><1h>#{1g}</1h></a></E>\',1v:\'<1L></1L>\',1f:\'4-3-2f\',w:\'4-3-p\',1t:\'4-3-S\',Q:\'4-3-t\',U:\'4-3-1e\',M:\'4-3-Y\',1s:\'4-3-2Y\'},f);5(f.p===L)2.8.p=L;2.8.12+=\'.4-3\';2.8.G=$.G&&$.G.28==2V&&2.8.G;$(e).1b(\'2T.4-3\',6(b,c,a){5((/^p/).27(c))d.1o(a);D{d.8[c]=a;d.11()}}).1b(\'2Q.4-3\',6(a,b){l 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441  app/vendors/simplehtmldom/manual/manual.htm
... ...
@@ -0,0 +1,441 @@
  1
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  2
+<html>
  3
+<head>
  4
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  5
+<title>PHP Simple HTML DOM Parser: Manual</title>
  6
+<link href="css/default.css" rel="stylesheet" type="text/css">
  7
+<link rel="stylesheet" href="css/ui.tabs.css" type="text/css" media="print, projection, screen">
  8
+<script type="text/javascript" src="js/jquery-1.2.3.pack.js"></script>
  9
+<script type="text/javascript" src="js/ui.tabs.pack.js"></script>
  10
+<script language="JavaScript" type="text/JavaScript">
  11
+	$(document).ready(function(){
  12
+		$(function() {$('#container_quickstart > ul').tabs();});
  13
+		$(function() {$('#container_create > ul').tabs();});
  14
+		$(function() {$('#container_find > ul').tabs();});
  15
+		$(function() {$('#container_access > ul').tabs();});
  16
+		$(function() {$('#container_traverse > ul').tabs();});
  17
+		$(function() {$('#container_dump > ul').tabs();});
  18
+		$(function() {$('#container_callback > ul').tabs();});
  19
+	});
  20
+</script>
  21
+</head>
  22
+<body>
  23
+<h1><a name="top"></a>PHP Simple HTML DOM Parser Manual</h1>
  24
+<div id="content">
  25
+  <h2>Index</h2>
  26
+  <ul>
  27
+		<li><a href="#section_quickstart">Quick Start</a></li>
  28
+    <li><a href="#section_create">How to create HTML DOM object?</a></li>
  29
+    <li><a href="#section_find">How to find HTML elements?</a></li>
  30
+    <li><a href="#section_access">How to access the HTML element's attributes?</a> </li>
  31
+    <li><a href="#section_traverse">How to traverse the DOM tree?</a></li>
  32
+    <li><a href="#section_dump">How to dump contents of DOM object?</a></li>
  33
+		<li><a href="#section_callback">How to customize the parsing behavior?</a></li>
  34
+    <li><a href="manual_api.htm">API Reference</a></li>
  35
+    <li><a href="manual_faq.htm">FAQ</a></li>
  36
+  </ul>
  37
+	
  38
+	<a name="section_quickstart"></a>
  39
+  <h2>Quick Start</h2>
  40
+  <a class="top" href="#top">Top</a>
  41
+	<div id="container_quickstart">
  42
+    <ul>
  43
+      <li><a href="#fragment-11"><span>Get HTML elements</span></a></li>
  44
+      <li><a href="#fragment-12"><span>Modify HTML elements</span></a></li>
  45
+      <li><a href="#fragment-13"><span>Extract contents from HTML</span></a></li>
  46
+      <li><a href="#fragment-14"><span>Scraping Slashdot!</span></a></li>
  47
+    </ul>
  48
+    <div id="fragment-11">
  49
+      <div class="code">
  50
+        <span class="comment">// Create DOM from URL or file</span><br>
  51
+        $html = <strong>file_get_html</strong>(<span class="var">'http://www.google.com/'</span>);<br>
  52
+        <br>
  53
+        <span class="comment">// Find all images </span><br>
  54
+        foreach($html-&gt;<strong>find</strong>(<span class="var">'img'</span>) as $element) <br>
  55
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; echo $element-&gt;<strong>src</strong> . <span class="var">'&lt;br&gt;'</span>;<br>
  56
+<br>
  57
+<span class="comment">// Find all links </span><br>
  58
+foreach($html-&gt;<strong>find</strong>(<span class="var">'a'</span>) as $element) <br>
  59
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; echo $element-&gt;<strong>href</strong> . <span class="var">'&lt;br&gt;'</span>;      </div>
  60
+    </div>
  61
+    <div id="fragment-12">
  62
+      <div class="code">
  63
+        <span class="comment">// Create DOM from string</span><br>
  64
+        $html = <strong>str_get_html</strong>(<span class="var">'&lt;div id=&quot;hello&quot;&gt;Hello&lt;/div&gt;&lt;div id=&quot;world&quot;&gt;World&lt;/div&gt;'</span>);<span class="comment"><br>
  65
+        <br>
  66
+        </span>
  67
+        
  68
+$html-&gt;<strong>find</strong>(<span class="var">'div', 1</span>)-&gt;<strong>class</strong> = <span class="var">'bar'</span>;<br>
  69
+<br>
  70
+$html-&gt;<strong>find</strong>(<span class="var">'div[id=hello]', 0</span>)-&gt;<strong>innertext</strong> = <span class="var">'foo'</span>;<br>
  71
+        <br>
  72
+        echo $html; <span class="comment">// Output: &lt;div id=&quot;hello&quot;&gt;<strong>foo</strong>&lt;/div&gt;&lt;div id=&quot;world&quot; <strong>class=&quot;bar&quot;</strong>&gt;World&lt;/div&gt;</span> </div>
  73
+    </div>
  74
+    <div id="fragment-13">
  75
+      <div class="code"><br>
  76
+        <span class="comment">// Dump contents (without tags) from HTML</span><br>
  77
+        echo <strong>file_get_html</strong>(<span class="var">'http://www.google.com/'</span>)-&gt;<strong>plaintext</strong>;
  78
+				<br>
  79
+				<br>
  80
+      </div>
  81
+    </div>
  82
+    <div id="fragment-14">
  83
+      <div class="code">
  84
+        <span class="comment">// Create DOM from URL</span><br>
  85
+        $html = <strong>file_get_html</strong>(<span class="var">'http://slashdot.org/'</span>);<br>
  86
+        <br>
  87
+        <span class="comment">// Find all article blocks</span><br>
  88
+        foreach($html-&gt;<strong>find</strong>(<span class="var">'div.article'</span>) as $article) {<br>
  89
+&nbsp;&nbsp;&nbsp;&nbsp;$item[<span class="var">'title'</span>]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= $article-&gt;<strong>find</strong>(<span class="var">'div.title'</span>, <span class="var">0</span>)-&gt;<strong>plaintext</strong>;<br>
  90
+&nbsp;&nbsp;&nbsp;&nbsp;$item[<span class="var">'intro'</span>]&nbsp;&nbsp;&nbsp;&nbsp;= $article-&gt;<strong>find</strong>(<span class="var">'div.intro'</span>, <span class="var">0</span>)-&gt;<strong>plaintext</strong>;<br>
  91
+&nbsp;&nbsp;&nbsp;&nbsp;$item[<span class="var">'details'</span>]&nbsp;= $article-&gt;<strong>find</strong>(<span class="var">'div.details'</span>, <span class="var">0</span>)-&gt;<strong>plaintext</strong>;<br>
  92
+&nbsp;&nbsp;&nbsp;&nbsp;$articles[] = $item;<br>
  93
+        }<br>
  94
+        <br>
  95
+        print_r($articles);
  96
+      </div>
  97
+    </div>
  98
+  </div>
  99
+	
  100
+  <a name="section_create"></a>
  101
+  <h2>How to create HTML DOM object?</h2>
  102
+  <a class="top" href="#top">Top</a>
  103
+  <div id="container_create">
  104
+    <ul>
  105
+      <li><a href="#frag_create_quick"><span>Quick way</span></a></li>
  106
+      <li><a href="#frag_create_oo"><span>Object-oriented way</span></a></li>
  107
+    </ul>
  108
+    <div id="frag_create_quick">
  109
+      <div class="code"><span class="comment">// Create a DOM object from a string</span><br>
  110
+        $html = <strong>str_get_html</strong>(<span class="var">'&lt;html&gt;&lt;body&gt;Hello!&lt;/body&gt;&lt;/html&gt;'</span>);<br>
  111
+        <br>
  112
+        <span class="comment">// Create a DOM object from a URL</span><br>
  113
+        $html = <strong>file_get_html</strong>(<span class="var">'http://www.google.com/'</span>);<br>
  114
+        <br>
  115
+        <span class="comment">// Create a DOM object from a HTML file</span><br>
  116
+        $html = <strong>file_get_html</strong>(<span class="var">'test.htm'</span>);<span class="comment"><br>
  117
+        </span></div>
  118
+    </div>
  119
+    <div id="frag_create_oo">
  120
+      <div class="code"><span class="comment">// Create a DOM object</span><br>
  121
+        $html = new <strong>simple_html_dom</strong>();<br>
  122
+        <br>
  123
+        <span class="comment">// Load HTML from a string</span><br>
  124
+        $html-&gt;<strong>load</strong>(<span class="var">'&lt;html&gt;&lt;body&gt;Hello!&lt;/body&gt;&lt;/html&gt;'</span>);<br>
  125
+        <br>
  126
+        <span class="comment">// Load HTML from a URL </span> <br>
  127
+        $html-&gt;<strong>load_file</strong>(<span class="var">'http://www.google.com/'</span>);<br>
  128
+        <br>
  129
+        <span class="comment">// Load HTML from a HTML file</span> <br>
  130
+        $html-&gt;<strong>load_file</strong>(<span class="var">'test.htm'</span>);</div>
  131
+    </div>
  132
+  </div>
  133
+  <a name="section_find"></a>
  134
+  <h2>How to find HTML elements?</h2>
  135
+  <a class="top" href="#top">Top</a>
  136
+  <div id="container_find">
  137
+    <ul>
  138
+      <li><a href="#frag_find_basic"><span>Basics</span></a></li>
  139
+      <li><a href="#frag_find_advanced"><span>Advanced</span></a></li>
  140
+      <li><a href="#frag_find_chain"><span>Descendant selectors</span></a></li>
  141
+      <li><a href="#frag_find_nested"><span>Nested selectors</span></a></li>
  142
+      <li><a href="#frag_find_attr"><span>Attribute Filters</span></a></li>
  143
+      <li><a href="#frag_find_textcomment"><span>Text &amp; Comments</span></a></li>
  144
+    </ul>
  145
+    <div id="frag_find_basic">
  146
+      <div class="code"> <span class="comment">// Find all <strong>anchors</strong>, returns a <strong>array</strong> of element objects</span><br>
  147
+        $ret = $html-&gt;find(<span class="var">'<strong>a</strong>'</span>);<br>
  148
+        <br>
  149
+        <span class="comment">// Find <strong>(N)th</strong>  <strong>anchor</strong>, returns element object or <strong>null</strong> if not found</span> <span class="comment">(zero based)</span><br>
  150
+        $ret = $html-&gt;find(<span class="var">'<strong>a</strong>', <strong>0</strong></span>);<br>
  151
+        <br>
  152
+        <span class="comment">// Find all <strong>&lt;div&gt;</strong> which attribute <strong>id=foo</strong></span><br>
  153
+$ret = $html-&gt;find(<span class="var">'<strong>div[id=foo]</strong>'</span>);        <br>
  154
+        <br>
  155
+        <span class="comment">// Find all <strong>&lt;div&gt;</strong> with the <strong>id</strong> attribute</span><br>
  156
+$ret = $html-&gt;find(<span class="var">'<strong>div[id]</strong>'</span>);<br>
  157
+<br>
  158
+<span class="comment">// Find all element has attribute<strong> id</strong></span><br>
  159
+$ret = $html-&gt;find(<span class="var">'<strong>[id]</strong>'</span>);<br>
  160
+      </div>
  161
+    </div>
  162
+    <div id="frag_find_advanced">
  163
+      <div class="code"><span class="comment">// Find all element which <strong>id</strong>=foo</span><br>
  164
+        $ret = $html-&gt;find(<span class="var">'<strong>#foo</strong>'</span>);<br>
  165
+        <br>
  166
+        <span class=comment>// Find all element which <strong>class</strong>=foo</span><br>
  167
+        $ret = $html-&gt;find(<span class=var>'<strong>.foo</strong>'</span>);<br>
  168
+        <br>
  169
+        <span class="comment">// Find all <strong>anchors</strong> and <strong>images</strong> </span><br>
  170
+$ret = $html-&gt;find(<span class="var">'<strong>a, img</strong>'</span>);        <br>
  171
+        <br>
  172
+        <span class="comment">// Find all <strong>anchors</strong> and <strong>images</strong> with the "title" attribute</span><br>
  173
+				$ret = $html-&gt;find(<span class="var">'<strong>a[title], img[title]</strong>'</span>);<br>
  174
+      </div>
  175
+    </div>
  176
+    <div id="frag_find_attr">
  177
+      <div class="code">
  178
+				Supports these operators in attribute selectors:<br><br>
  179
+        <table cellpadding="1" cellspacing="1">
  180
+          <tr>
  181
+            <th width="25%">Filter</th>
  182
+            <th width="75%">Description</th>
  183
+          </tr>
  184
+          <tr>
  185
+            <td>[attribute]</td>
  186
+            <td>Matches elements that <strong>have</strong> the specified attribute.</td>
  187
+          </tr>
  188
+          <tr>
  189
+            <td>[attribute=value]</td>
  190
+            <td>Matches elements that have the specified attribute with a <strong>certain value</strong>.</td>
  191
+          </tr>
  192
+          <tr>
  193
+            <td>[attribute!=value]</td>
  194
+            <td>Matches elements that <strong>don't have</strong> the specified attribute with a certain value.</td>
  195
+          </tr>
  196
+          <tr>
  197
+            <td>[attribute^=value]</td>
  198
+            <td>Matches elements that have the specified attribute and it <strong>starts</strong> with a certain value.</td>
  199
+          </tr>
  200
+          <tr>
  201
+            <td>[attribute$=value]</td>
  202
+            <td>Matches elements that have the specified attribute and it <strong>ends</strong> with a certain value.</td>
  203
+          </tr>
  204
+          <tr>
  205
+            <td>[attribute*=value]</td>
  206
+            <td>Matches elements that have the specified attribute and it <strong>contains</strong> a certain value.</td>
  207
+          </tr>
  208
+        </table>
  209
+      </div>
  210
+    </div>
  211
+    <div id="frag_find_chain">
  212
+      <div class="code"><span class="comment">// Find all &lt;li&gt; in &lt;ul&gt; </span><br>
  213
+        $es = $html-&gt;find(<span class="var">'<strong>ul li</strong>'</span>);<br>
  214
+        <br>
  215
+        <span class="comment">// Find Nested &lt;div&gt; </span><span class="comment">tags</span><br>
  216
+        $es = $html-&gt;find(<span class="var">'<strong>div div div</strong>'</span>); <br>
  217
+        <br>
  218
+        <span class="comment">// Find all &lt;td&gt; in &lt;table&gt; which class=hello </span><br>
  219
+        $es = $html-&gt;find(<span class="var">'<strong>table.hello td</strong>'</span>);<br>
  220
+        <br>
  221
+        <span class="comment">// Find all td tags with attribite align=center in table tags </span><br>
  222
+        $es = $html-&gt;find(<span class="var">''<strong>table</strong><strong> td[align=center]</strong>'</span>);<br>
  223
+      </div>
  224
+    </div>
  225
+    <div id="frag_find_textcomment">
  226
+      <div class="code"><span class="comment"> // Find all text blocks </span><br>
  227
+        $es = $html-&gt;find(<span class="var">'<strong>text</strong>'</span>);<br>
  228
+        <br>
  229
+        <span class="comment">// Find all comment (&lt;!--...--&gt;) blocks </span><br>
  230
+        $es = $html-&gt;find(<span class="var">'<strong>comment</strong>'</span>);<br>
  231
+      </div>
  232
+    </div>
  233
+    <div id="frag_find_nested">
  234
+      <div class="code"> <span class="comment">// Find all &lt;li&gt; in &lt;ul&gt; </span><br>
  235
+        foreach($html-&gt;find(<span class="var">'<strong>ul</strong>'</span>) as $ul) <br>
  236
+        {<br>
  237
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; foreach($ul-&gt;find(<span class="var">'<strong>li</strong>'</span>) as $li) <br>
  238
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {<br>
  239
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span class="comment">// do something...</span><br>
  240
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br>
  241
+        }<br>
  242
+        <br>
  243
+        <span class="comment">// Find first &lt;li&gt; in first &lt;ul&gt;</span> <br>
  244
+        $e = $html-&gt;find(<span class="var">'<strong>ul</strong>', <strong>0</strong></span>)-&gt;find(<span class="var">'<strong>li</strong>', <strong>0</strong></span>);<br>
  245
+      </div>
  246
+    </div>
  247
+  </div>
  248
+  <a name="section_access"></a>
  249
+  <h2>How to access the HTML element's attributes?</h2>
  250
+  <a class="top" href="#top">Top</a>
  251
+  <div id="container_access">
  252
+    <ul>
  253
+      <li><a href="#frag_access_attr"><span>Get, Set and Remove attributes</span></a></li>
  254
+      <li><a href="#frag_access_special"><span>Magic attributes</span></a></li>
  255
+      <li><a href="#frag_access_tips"><span>Tips</span></a></li>
  256
+    </ul>
  257
+    <div id="frag_access_attr">
  258
+      <div class="code"> 
  259
+        <span class="comment">// <strong>Get</strong> a attribute ( If the attribute is <strong>non-value</strong> attribute (eg. checked, selected...), it will returns <strong>true</strong> or <strong>false</strong>)</span><br>
  260
+        $value = $e-&gt;<strong>href</strong>;<br>
  261
+        <br>
  262
+        <span class="comment">// <strong>Set</strong> a attribute(If the attribute is <strong>non-value</strong> attribute (eg. checked, selected...), set it's value as <strong>true</strong> or <strong>false</strong>)</span><br>
  263
+        $e-&gt;<strong>href</strong> = <span class="var">'my link'</span>;<br>
  264
+        <br>
  265
+        <span class="comment">// <strong>Remove</strong> a attribute, set it's value as null! </span><br>
  266
+        $e-&gt;<strong>href</strong> = <strong><span class="var">null</span></strong>;<br>
  267
+        <br>
  268
+        <span class="comment">// <strong>Determine</strong> whether a attribute exist?</span> <br>
  269
+if(isset($e-&gt;<strong>href</strong>)) <br>
  270
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo <span class="var">'href exist!'</span>;<br>
  271
+      </div>
  272
+    </div>
  273
+    <div id="frag_access_special">
  274
+      <div class="code"> <span class="comment">// Example</span><br>
  275
+        <span class="hl-var">$</span><span class="hl-code">html = </span>str_get_html<span class="hl-brackets">(</span><span class="var">&quot;&lt;div&gt;foo &lt;b&gt;bar&lt;/b&gt;&lt;/div&gt;&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;</span> <br>
  276
+        $e = $html-&gt;find(<span class="var">&quot;div&quot;</span>, <span class="var">0</span>);<br>
  277
+        <br>
  278
+        echo $e-&gt;<strong>tag</strong>; <span class="comment">// Returns: &quot; <strong>div</strong>&quot;</span><br>
  279
+        echo $e-&gt;<strong>outertext</strong>; <span class="comment">// Returns: &quot; <strong>&lt;div&gt;foo &lt;b&gt;bar&lt;/b&gt;&lt;/div&gt;</strong>&quot;</span><br>
  280
+        echo $e-&gt;<strong>innertext</strong>; <span class="comment">// Returns: &quot; <strong>foo &lt;b&gt;bar&lt;/b&gt;</strong>&quot;</span><br>
  281
+        echo $e-&gt;<strong>plaintext</strong>; <span class="comment">// Returns: &quot; <strong>foo </strong><strong>bar</strong>&quot;<br>
  282
+        <br>
  283
+        </span>
  284
+        <table cellspacing="1" cellpadding="1">
  285
+          <tr bgcolor="#CCCCCC">
  286
+            <th width="25%">Attribute Name</th>
  287
+            <th width="75%">Usage</th>
  288
+          </tr>
  289
+          <tr>
  290
+            <td>$e-&gt;<strong>tag</strong></td>
  291
+            <td>Read or write the <strong>tag name</strong> of element.</td>
  292
+          </tr>
  293
+          <tr>
  294
+            <td>$e-&gt;<strong>outertext</strong></td>
  295
+            <td>Read or write the <strong>outer HTML text </strong> of element.</td>
  296
+          </tr>
  297
+          <tr>
  298
+            <td>$e-&gt;<strong>innertext</strong></td>
  299
+            <td>Read or write the <strong>inner HTML text </strong> of element.</td>
  300
+          </tr>
  301
+          <tr>
  302
+            <td>$e-&gt;<strong>plaintext</strong></td>
  303
+            <td>Read or write the <strong>plain text </strong> of element.</td>
  304
+          </tr>
  305
+        </table>
  306
+      </div>
  307
+    </div>
  308
+    <div id="frag_access_tips">
  309
+      <div class="code"><span class="comment">// <strong>Extract</strong> contents from HTML </span><br>
  310
+echo <strong>$html</strong>-&gt;<strong>plaintext</strong>;<br>
  311
+<br> 
  312
+<span class="comment">
  313
+        // <strong>Wrap</strong> a element</span><br>
  314
+        $e-&gt;<strong>outertext</strong> = <span class="var">'&lt;div class=&quot;wrap&quot;&gt;'</span> . $e-&gt;<strong>outertext</strong> . <span class="var">'&lt;div&gt;</span>';<br>
  315
+        <br>
  316
+        <span class="comment">// <strong>Remove</strong> a element, set it's outertext as an empty string </span><br>
  317
+        $e-&gt;<strong>outertext</strong> = <span class="var">''</span>;<br>
  318
+        <br>
  319
+        <span class="comment">// <strong>Append</strong> a element</span><br>
  320
+$e-&gt;<strong>outertext</strong> = $e-&gt;<strong>outertext</strong> . <span class="var">'&lt;div&gt;foo</span><span class="var">&lt;div&gt;</span>';<br>
  321
+<br>
  322
+<span class="comment">// <strong>Insert</strong> a element</span><br>
  323
+$e-&gt;<strong>outertext</strong> = <span class="var">'&lt;div&gt;foo</span><span class="var">&lt;div&gt;</span>' . $e-&gt;<strong>outertext</strong>;<br>
  324
+      </div>
  325
+    </div>
  326
+  </div>
  327
+  <a name="section_traverse"></a>
  328
+  <h2>How to traverse the DOM tree?</h2>
  329
+  <a class="top" href="#top">Top</a>
  330
+  <div id="container_traverse">
  331
+    <ul>
  332
+      <li><a href="#frag_traverse_background"><span>Background Knowledge</span></a></li>
  333
+      <li><a href="#frag_traverse_traverse"><span>Traverse the DOM tree</span></a></li>
  334
+    </ul>
  335
+    <div id="frag_traverse_background">
  336
+      <div class="code"> <span class="comment">// If you are not so familiar with HTML DOM, check this <a href="http://php.net/manual/en/book.dom.php" target="_blank"><span class="var">link</span></a> to learn more... </span><br>
  337
+        <br>
  338
+        <span class="comment">// Example</span><br>
  339
+        echo $html-&gt;<strong>find</strong>(<span class="var">&quot;#div1&quot;, 0</span>)-&gt;<strong>children</strong>(<span class="var">1</span>)-&gt;<strong>children</strong>(<span class="var">1</span>)-&gt;<strong>children</strong>(<span class="var">2</span>)-&gt;<span class="var">id</span>;<br>
  340
+        <span class="comment">// or</span> <br>
  341
+        echo $html-&gt;<strong>getElementById</strong>(<span class="var">&quot;div1&quot;</span>)-&gt;<strong>childNodes</strong>(<span class="var">1</span>)-&gt;<strong>childNodes</strong>(<span class="var">1</span>)-&gt;<strong>childNodes</strong>(<span class="var">2</span>)-&gt;<strong>getAttribute</strong>(<span class="var">'id'</span>); </div>
  342
+    </div>
  343
+    <div id="frag_traverse_traverse">
  344
+      <div class="code">You can also call methods with <a href="manual_api.htm#camel"><span class="var">Camel naming convertions</span></a>.<br>
  345
+        <table cellspacing="1" cellpadding="1">
  346
+          <tr>
  347
+            <th> Method </th>
  348
+            <th> Description</th>
  349
+          </tr>
  350
+          <tr>
  351
+            <td>
  352
+              <div class="returns">mixed</div>$e-&gt;<strong>children</strong> ( <span class="var">[int $index]</span> ) </td>
  353
+            <td>Returns the Nth <strong>child object</strong> if <strong>index</strong> is set, otherwise return an <strong>array of children</strong>. </td>
  354
+          </tr>
  355
+          <tr>
  356
+            <td>
  357
+              <div class="returns">element</div>$e-&gt;<strong>parent</strong> () </td>
  358
+            <td>Returns the <strong>parent</strong> of element. </td>
  359
+          </tr>
  360
+          <tr>
  361
+            <td>
  362
+              <div class="returns">element</div>$e-&gt;<strong>first_child</strong> () </td>
  363
+            <td>Returns the <strong>first child</strong> of element, or <strong>null</strong> if not found. </td>
  364
+          </tr>
  365
+          <tr>
  366
+            <td>
  367
+              <div class="returns">element</div>$e-&gt;<strong>last_child</strong> () </td>
  368
+            <td>Returns the <strong>last child</strong> of element, or <strong>null</strong> if not found. </td>
  369
+          </tr>
  370
+          <tr>
  371
+            <td>
  372
+              <div class="returns">element</div>$e-&gt;<strong>next_sibling</strong> () </td>
  373
+            <td>Returns the <strong>next sibling</strong> of element, or<strong> null</strong> if not found. </td>
  374
+          </tr>
  375
+          <tr>
  376
+            <td>
  377
+              <div class="returns">element</div>$e-&gt;<strong>prev_sibling</strong> () </td>
  378
+            <td>Returns the <strong>previous sibling</strong> of element, or <strong>null</strong> if not found. </td>
  379
+          </tr>
  380
+        </table>
  381
+      </div>
  382
+    </div>
  383
+    
  384
+  </div>
  385
+  <a name="section_dump"></a>
  386
+  <h2>How to dump contents of DOM object?</h2>
  387
+  <a class="top" href="#top">Top</a>
  388
+  <div id="container_dump">
  389
+    <ul>
  390
+      <li><a href="#frag_dump_quick"><span>Quick way</span></a></li>
  391
+      <li><a href="#frag_dump_oo"><span>Object-oriented way</span></a></li>
  392
+    </ul>
  393
+    <div id="frag_dump_oo">
  394
+      <div class="code"><span class="comment">// </span><span class="comment">Dumps the internal DOM tree back into string </span><br>
  395
+        $str = $html-&gt;<strong>save</strong>();<br>
  396
+        <br>
  397
+        <span class="comment">// Dumps the internal DOM tree back into a file</span> <br>
  398
+        $html-&gt;<strong>save</strong>(<span class="var">'result.htm'</span>);</div>
  399
+    </div>
  400
+    <div id="frag_dump_quick">
  401
+      <div class="code"><span class="comment">// </span><span class="comment">Dumps the internal DOM tree back into string </span><br>
  402
+        $str = $html;<br>
  403
+        <br>
  404
+        <span class="comment">// Print it!</span><br>
  405
+        echo $html; <br>
  406
+      </div>
  407
+    </div>
  408
+  </div>
  409
+	<a name="section_callback"></a>
  410
+  <h2>How to customize the parsing behavior?</h2>
  411
+  <a class="top" href="#top">Top</a>
  412
+  <div id="container_callback">
  413
+    <ul>
  414
+      <li><a href="#frag_callback"><span>Callback function</span></a></li>
  415
+    </ul>
  416
+    <div id="frag_callback">
  417
+      <div class="code"><span class="comment">// Write a function with parameter &quot;<strong>$element</strong>&quot;</span><br>
  418
+        function my_callback(<span class="var">$element</span>) {<br>