Manual do PHP
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# DomElement->has_attribute()

(no version information, might be only in CVS)

DomElement->has_attribute() -- Checks to see if an attribute exists in the current node

## Descrição

class DomElement {
bool has_attribute ( string name )
}

This functions checks to see if an attribute named `name` exists in the current node.

## Parâmetros

`name`

  The name of the tested attribute.

## Valores de retornado

Returns `TRUE` if the asked attribute exists, `FALSE` otherwise.

## Exemplos

Exemplo 1. Testing the existence of an attribute
`<?php include("example.inc"); if (!$dom = domxml_open_mem($xmlstr)) { echo "Error while parsing the document\n"; exit; } $root = $dom->document_element(); $buffer = '<html'; if ($root->has_attribute('language')) { $buffer .= 'lang="' . $root->get_attribute('language') . '"'; } $buffer .= '>'; ?>`

## Migrating to PHP 5

Use DOMElement->hasAttribute().

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