Php-mysql Course

The innerHTML() function presented in this page it is the equivalent of the innerHTML property from JavaScript. This function can be used in PHP to get the HTML content from a HTML element within a DOMDocument object.

Code of innerHTML()

// returns a string with the HTML content from a DOMDocument node element ($elm)
function innerHTML(DOMNode $elm) { 
  $innerHTML = ''; 
  $children  = $elm->childNodes;

  foreach($children as $child) { 
    $innerHTML .= $elm->ownerDocument->saveHTML($child);
  }

  return $innerHTML;
}
- Example usage of innerHTML().
<?php
// returns a string with the HTML content from a DOMDocument node element ($elm)
function innerHTML(DOMNode $elm) { 
  $innerHTML = ''; 
  $children  = $elm->childNodes;

  foreach($children as $child) { 
    $innerHTML .= $elm->ownerDocument->saveHTML($child);
  }

  return $innerHTML;
}

// string with HTML content
$strhtml = '<div id="dv1">Flash Games: https://marplo.net/jocuri/</div>
 <div id="dv2"><p class="cls">Free PHP Course: <a href="https://coursesweb.net/php-mysql/" title="PHP Course">CoursesWeb.net</a></p></div>';

// create the DOMDocument object, and load HTML from $strhtml
$dochtml = new DOMDocument();
$dochtml->loadHTML($strhtml);

// get the element with id="dv2"
$dv2 = $dochtml->getElementById('dv2');

// uses innerHTML() to get the HTML content from $dv2
$cnt_dv2 = innerHTML($dv2);

// output the HTML content
echo $cnt_dv2;
?>
- Output:
<p class="cls">Free PHP Course: <a href="https://coursesweb.net/php-mysql/" title="PHP Course">CoursesWeb.net</a></p>

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag is used to add definition lists into a <dl> element?
<dt> <dd> <li>
<dl>
 <dt>HTML</dt>
  <dd> - Hyper Text Markup Language</dd>
  <dd> - Language for web pages</dd>
</dl>
Which CSS property can hide an element on page, letting an empty space in its place?
display position visibility
#id {
  visibility: hidden;
}
Click on the event which is triggered when the mouse clicks on an object.
onclick onmouseover onfocus
document.getElementById("id").onclick = function(){
  alert("http://CoursesWeb.net/");
}
Indicate the PHP variable that contains the contents of both $_GET, $_POST, and $_COOKIE arrays.
$_SESSION $_GET $_REQUEST
if(isset($_REQUEST["id"])) {
  echo $_REQUEST["id"];
}
innerHTML in PHP

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