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wp_kses_normalize_entities3 ›

Since2.7.0
Deprecatedn/a
wp_kses_normalize_entities3 ( $matches )
Access:
  • private
Parameters:
  • (array) $matches preg_replace_callback() matches array
    Required: Yes
Returns:
  • (string) Correctly encoded entity
Defined at:
Codex:

Callback for wp_kses_normalize_entities() for regular expression.

This function helps wp_kses_normalize_entities() to only accept valid Unicode numeric entities in hex form.



Source

function wp_kses_normalize_entities3( $matches ) {
	if ( empty( $matches[1] ) ) {
		return '';
	}

	$hexchars = $matches[1];
	return ( ! valid_unicode( hexdec( $hexchars ) ) ) ? "&#x$hexchars;" : '&#x' . ltrim( $hexchars, '0' ) . ';';
}