DOMNode::getLineNo

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    DOMNode::getLineNo — Get line number for a node

    说明

    publicDOMNode::getLineNo(): int

    Gets line number for where the node was defined at parse time.

    参数

    此函数没有参数。

    返回值

    Returns the line number where the node was defined at parse time. If the node was created manually, the return value will be 0.

    示例

    示例 #1 DOMNode::getLineNo() example

    <?php
    // XML dump for below example
    $xml = <<<XML
    <?xml version="1.0" encoding="utf-8"?>
    <root>
    <node />
    </root>
    XML;

    // Create a new DOMDocument instance
    $dom = new DOMDocument;

    // Load the XML
    $dom->loadXML($xml);

    // Print where the line where the 'node' element was defined in
    printf('The <node> tag is defined on line %d', $dom->getElementsByTagName('node')->item(0)->getLineNo());
    ?>

    以上示例会输出：

    The <node> tag is defined in line 3
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