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
说明
class
DomElement
{
bool
has_attribute
( string name )
}
This functions checks to see if an attribute named
name
exists in the current node.
参数
-
name
-
The name of the tested attribute.
返回值
Returns
TRUE
if the asked attribute exists,
FALSE
otherwise.
范例
例子 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
.=
'>'
;
?>
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