tidyNode::hasChildren
tidyNode::hasChildren
(PHP 5 >= 5.0.1, PHP 7)
tidyNode :: hasChildren - 检查节点是否有子节点
描述
bool tidyNode::hasChildren ( void )
告诉节点是否有孩子。
返回值
返回TRUE
节点是否有子节点,FALSE
否则返回。
例子
Example #1 tidyNode::hasChildren() example
<?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
$num = 0;
// the head tag
var_dump($tidy->html()->child[0]->hasChildren()
// the php inside the head tag
var_dump($tidy->html()->child[0]->child[0]->hasChildren()
?>
上面的例子将输出:
bool(true)
bool(false)
← tidyNode::getParent
tidyNode::hasSiblings →