shortcode_parse_atts( string $text ): array|string

Retrieves all attributes from the shortcodes tag.

Contents

Description

The attributes list has the attribute name as the key and the value of the attribute as the value in the key/value pair. This allows for easier retrieval of the attributes, since all attributes have to be known.

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Parameters

$text string Required

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Return

array|string List of attribute values.
Returns empty array if '""' === trim( $text ).
Returns empty string if '' === trim( $text ).
All other matches are checked for not empty().

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Source

File: wp-includes/shortcodes.php. View all references 

function shortcode_parse_atts( $text ) {
	$atts    = array();
	$pattern = get_shortcode_atts_regex();
	$text    = preg_replace( "/[\x{00a0}\x{200b}]+/u", ' ', $text );
	if ( preg_match_all( $pattern, $text, $match, PREG_SET_ORDER ) ) {
		foreach ( $match as $m ) {
			if ( ! empty( $m[1] ) ) {
				$atts[ strtolower( $m[1] ) ] = stripcslashes( $m[2] );
			} elseif ( ! empty( $m[3] ) ) {
				$atts[ strtolower( $m[3] ) ] = stripcslashes( $m[4] );
			} elseif ( ! empty( $m[5] ) ) {
				$atts[ strtolower( $m[5] ) ] = stripcslashes( $m[6] );
			} elseif ( isset( $m[7] ) && strlen( $m[7] ) ) {
				$atts[] = stripcslashes( $m[7] );
			} elseif ( isset( $m[8] ) && strlen( $m[8] ) ) {
				$atts[] = stripcslashes( $m[8] );
			} elseif ( isset( $m[9] ) ) {
				$atts[] = stripcslashes( $m[9] );
			}
		}

		// Reject any unclosed HTML elements.
		foreach ( $atts as &$value ) {
			if ( false !== strpos( $value, '<' ) ) {
				if ( 1 !== preg_match( '/^[^<]*+(?:<[^>]*+>[^<]*+)*+$/', $value ) ) {
					$value = '';
				}
			}
		}
	} else {
		$atts = ltrim( $text );
	}

	return $atts;
}

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Changelog

Changelog
Version Description
2.5.0 Introduced.

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