03-02-2011
Yes. But I read ebooks on my computer. I learn by ebooks. Because it is really easy to find a electronic version other than going to buy a hard copy.
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Hi am new to this forum and want to start learning and using unix and am wondering if any body can tell me where to get a free ebook to read, i saw some books that was recommended, books by Rich stevens but over here i can't get those books in our stores and i don't have credit card to get it... (1 Reply)
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5. What is on Your Mind?
Time for a new poll. Just wondering how members in this forum prefer to read books.
Paper
E-reader
Tablet
Laptop/Desktop
Smartphone
Audiobook
Not much of a reader
Other
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LEARN ABOUT PHP
domdocument.getelementbyid
DOMDOCUMENT.GETELEMENTBYID(3) 1 DOMDOCUMENT.GETELEMENTBYID(3)
DOMDocument::getElementById - Searches for an element with a certain id
SYNOPSIS
public DOMElement DOMDocument::getElementById (string $elementId)
DESCRIPTION
This function is similar to "DOMDocument::getElementsByTagName" but searches for an element with a given id.
For this function to work, you will need either to set some ID attributes with "DOMElement::setIdAttribute" or a DTD which defines an
attribute to be of type ID. In the later case, you will need to validate your document with "DOMDocument::validate" or DOMDocument::$vali-
dateOnParse before using this function.
PARAMETERS
o $elementId
- The unique id value for an element.
RETURN VALUES
Returns the DOMElement or NULL if the element is not found.
EXAMPLES
Example #1
DOMDocument::getElementById() Example
The following examples use book.xml which contains the following:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE books [
<!ELEMENT books (book+)>
<!ELEMENT book (title, author+, xhtml:blurb?)>
<!ELEMENT title (#PCDATA)>
<!ELEMENT blurb (#PCDATA)>
<!ELEMENT author (#PCDATA)>
<!ATTLIST books xmlns CDATA #IMPLIED>
<!ATTLIST books xmlns:xhtml CDATA #IMPLIED>
<!ATTLIST book id ID #IMPLIED>
<!ATTLIST author email CDATA #IMPLIED>
]>
<?xml-stylesheet type="text/xsl" href="style.xsl"?>
<books xmlns="http://books.php/" xmlns:xhtml="http://www.w3.org/1999/xhtml">
<book id="php-basics">
<title>PHP Basics</title>
<author email="jim.smith@basics.php">Jim Smith</author>
<author email="jane.smith@basics.php">Jane Smith</author>
<xhtml:blurb><![CDATA[
<p><em>PHP Basics</em> provides an introduction to PHP.</p>
]]></xhtml:blurb>
</book>
<book id="php-advanced">
<title>PHP Advanced Programming</title>
<author email="jon.doe@advanced.php">Jon Doe</author>
</book>
</books>
<?php
$doc = new DomDocument;
// We need to validate our document before refering to the id
$doc->validateOnParse = true;
$doc->Load('book.xml');
echo "The element whose id is 'php-basics' is: " . $doc->getElementById('php-basics')->tagName . "
";
?>
The above example will output:
The element whose id is 'php-basics' is: book
SEE ALSO
DOMDocument::getElementsByTagName.
PHP Documentation Group DOMDOCUMENT.GETELEMENTBYID(3)