tidyNode::isText()
(PHP 5, PHP 7)
检查节点是否表示文本(无标记)
说明
public tidyNode::isText(void): bool
返回值
Returns TRUE
if the node represent a text,FALSE
otherwise.
范例
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); } } } ?>
以上例程会输出:
# text node #1
Hello World
# text node #2
Outside HTML