php教程

tidy::root

tidy_get_root

(PHP 5, PHP 7, PECL tidy 0.5.2-1.0.0)

tidy::root -- tidy_get_rootReturns a tidyNode object representing the root of the tidy parse tree

说明

面向对象风格

public tidy::root ( void ) : tidyNode

过程化风格

tidy_get_root ( tidy $object ) : tidyNode

Returns a tidyNode object representing the root of the tidy parse tree.

参数

object

The Tidy 对象。

返回值

Returns the tidyNode object.

范例

Example #1 tidy::root() example

<?php

$html 
= <<< HTML
<html><body>

<p>paragraph</p>
<br/>

</body></html>
HTML;

$tidy tidy_parse_string($html);
dump_nodes($tidy->root(), 1);


function 
dump_nodes($node$indent) {

    if(
$node->hasChildren()) {
        foreach(
$node->child as $child) {
            echo 
str_repeat('.'$indent*2) . ($child->name $child->name '"'.$child->value.'"'). "\n";

            
dump_nodes($child$indent+1);
        }
    }
}
?>

以上例程会输出:

..html
....head
......title
....body
......p
........"paragraph"
......br

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