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prep_atom_text_construct [ ]

prep_atom_text_construct ( $data )
Parameters:
  • (string) $data Input string
Links:
Returns:
  • (array) array(type, value)
Defined at:
Codex



Determine the type of a string of data with the data formatted.

Tell whether the type is text, html, or xhtml, per RFC 4287 section 3.1.

In the case of WordPress, text is defined as containing no markup, xhtml is defined as "well formed", and html as tag soup (i.e., the rest).

Container div tags are added to xhtml values, per section 3.1.1.3.

Source

function prep_atom_text_construct($data) {
	if (strpos($data, '<') === false && strpos($data, '&') === false) {
		return array('text', $data);
	}

	$parser = xml_parser_create();
	xml_parse($parser, '<div>' . $data . '</div>', true);
	$code = xml_get_error_code($parser);
	xml_parser_free($parser);

	if (!$code) {
		if (strpos($data, '<') === false) {
			return array('text', $data);
		} else {
			$data = "<div xmlns='http://www.w3.org/1999/xhtml'>$data</div>";
			return array('xhtml', $data);
		}
	}

	if (strpos($data, ']]>') == false) {
		return array('html', "<![CDATA[$data]]>");
	} else {
		return array('html', htmlspecialchars($data));
	}
}

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