DOMElement::setAttribute

    (PHP 5, PHP 7, PHP 8)

    DOMElement::setAttribute — Adds new or modifies existing attribute

    说明

    public DOMElement::setAttribute(string $qualifiedName, string $value): DOMAttr|bool

    Sets an attribute with name qualifiedName to the given value. If the attribute does not exist, it will be created.

    参数

    qualifiedName

    The name of the attribute.

    value

    The value of the attribute.

    返回值

    The created or modified DOMAttr or false if an error occurred.

    错误／异常

    DOM_NO_MODIFICATION_ALLOWED_ERR

    Raised if the node is readonly.

    示例

    示例 #1 Setting an attribute

    <?php
    $doc     = new DOMDocument("1.0");
    $node = $doc->createElement("para");
    $newnode = $doc->appendChild($node);
    $newnode->setAttribute("align", "left");
    ?>

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