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PHP

Checks if a node represents text (no markup)


tidyNode::isText

(PHP 5 >= 5.0.1)

tidyNode::isTextChecks if a node represents text (no markup)

Description

bool tidyNode::isText ( void )

Tells if the node represents a text (without any markup).

Return Values

Returns TRUE if the node represent a text, FALSE otherwise.

Examples

Example #1 Extract text from a mixed HTML document

<?php

$html 
= <<< HTML
<html><head>
<?php echo '<title>title</title>'; ?>
<# 
  /* JSTE code */
  alert('Hello World'); 
#>
</head>
<body>

<?php
  // PHP code
  echo 'hello world!';
?>

<%
  /* ASP code */
  response.write("Hello World!")
%>

<!-- Comments -->
Hello World
</body></html>
Outside HTML
HTML;


$tidy tidy_parse_string($html);
$num 0;

get_nodes($tidy->html());

function 
get_nodes($node) {

    
// check if the current node is of requested type
    
if($node->isText()) {
        echo 
"\n\n# text node #" . ++$GLOBALS['num'] . "\n";
        echo 
$node->value;
    }

    
// check if the current node has childrens
    
if($node->hasChildren()) {
        foreach(
$node->child as $child) {
            
get_nodes($child);
        }
    }
}

?>

The above example will output:

 # text node #1 Hello World # text node #2 Outside HTML 

Notes

Note:

This function was named tidy_node::is_text() in PHP 4/Tidy 1.



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