Gets lowercase names of all attributes matching a given prefix in the current tag.
Description
Note that matching is case-insensitive. This is in accordance with the spec:
There must never be two or more attributes on the same start tag whose names are an ASCII case-insensitive match for each other.
- HTML 5 spec
Example:
$p = new WP_HTML_Tag_Processor( '<div data-ENABLED class="test" DATA-test-id="14">Test</div>' );
$p->next_tag( array( 'class_name' => 'test' ) ) === true;
$p->get_attribute_names_with_prefix( 'data-' ) === array( 'data-enabled', 'data-test-id' );
$p->next_tag() === false;
$p->get_attribute_names_with_prefix( 'data-' ) === null;See also
Parameters
$prefixstringrequired- Prefix of requested attribute names.
Source
public function get_attribute_names_with_prefix( $prefix ) {
if (
self::STATE_MATCHED_TAG !== $this->parser_state ||
$this->is_closing_tag
) {
return null;
}
$comparable = strtolower( $prefix );
$matches = array();
foreach ( array_keys( $this->attributes ) as $attr_name ) {
if ( str_starts_with( $attr_name, $comparable ) ) {
$matches[] = $attr_name;
}
}
return $matches;
}
Changelog
| Version | Description |
|---|---|
| 6.2.0 | Introduced. |
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