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PHP - Manual: tidyNode::hasChildren - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: tidyNode::hasChildren

2025-06-02

tidyNode::hasChildren

(PHP 5, PHP 7, PHP 8)

tidyNode::hasChildrenChecks if a node has children

说明

public tidyNode::hasChildren(): bool

Tells if the node has children.

参数

此函数没有参数。

返回值

Returns true if the node has children, false otherwise.

示例

示例 #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());

?>

以上示例会输出:

bool(true)
bool(false)
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官方地址:https://www.php.net/manual/en/tidynode.haschildren.php

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