Retrieves the head element section.
Parameters
$htmlstringrequired- The string of HTML to parse.
Source
private function get_document_head( $html ) {
$head_html = $html;
// Find the opening `<head>` tag.
$head_start = strpos( $html, '<head' );
if ( false === $head_start ) {
// Didn't find it. Return the original HTML.
return $html;
}
// Find the closing `</head>` tag.
$head_end = strpos( $head_html, '</head>' );
if ( false === $head_end ) {
// Didn't find it. Find the opening `<body>` tag.
$head_end = strpos( $head_html, '<body' );
// Didn't find it. Return the original HTML.
if ( false === $head_end ) {
return $html;
}
}
// Extract the HTML from opening tag to the closing tag. Then add the closing tag.
$head_html = substr( $head_html, $head_start, $head_end );
$head_html .= '</head>';
return $head_html;
}
Changelog
| Version | Description |
|---|---|
| 5.9.0 | Introduced. |
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