Author: mcaskill

Function.HTML-Build-Attributes.php

@@ -1,6 +1,6 @@
 <?php
 
-if ( ! function_exists('html_build_attributes') ) :
+if (!function_exists('html_build_attributes')) {
 
 	/**
 	 * Generate a string of HTML attributes
@@ -10,52 +10,60 @@
 	 *                                    Defaults to `htmlspecialchars()`.
 	 * @return  string  Returns a string of HTML attributes.
 	 */
-	function html_build_attributes( array $attr, callable $callback = null )
+	function html_build_attributes(array $attr, callable $callback = null)
 	{
-		if ( ! count($attr) ) {
+		if (!count($attr)) {
 			return '';
 		}
 
 		$html = array_map(
-			function ( $val, $key ) use ( $callback ) {
-				if ( is_bool( $val ) ) {
-					return ( $val ? $key : '' );
-				} elseif ( isset( $val ) ) {
-					if ( $val instanceof \Closure ) {
+			function ($val, $key) use ($callback) {
+				if (is_bool($val)) {
+					return ($val ? $key : '');
+				} elseif (isset($val)) {
+					if ($val instanceof Closure) {
 						$val = $val();
-					} elseif ( $val instanceof \JsonSerializable ) {
+					} elseif ($val instanceof JsonSerializable) {
 						$val = json_encode(
 							$val->jsonSerialize(),
 							(JSON_UNESCAPED_SLASHES|JSON_UNESCAPED_UNICODE)
 						);
-					} elseif ( is_callable( [ $val, 'toArray' ] ) ) {
+					} elseif (is_callable([ $val, 'toArray' ])) {
 						$val = $val->toArray();
-					} elseif ( is_callable( [ $val, '__toString' ] ) ) {
-						$val = strval( $val );
+					} elseif (is_callable([ $val, '__toString' ])) {
+						$val = strval($val);
 					}
 
-					if ( is_array( $val ) ) {
-						$val = implode( ' ', $val );
+					if (is_array($val)) {
+						if (function_exists('is_blank')) {
+							$filter = function ($var) {
+								return !is_blank($var);
+							};
+						} else {
+							$filter = function ($var) {
+								return !empty($var) || is_numeric($var);
+							};
+						}
+						$val = implode(' ', array_filter($val, $filter));
 					}
 
-					if ( is_callable( $callback ) ) {
-						$val = call_user_func( $callback, $val );
-					} elseif ( function_exists('esc_attr') ) {
-						$val = esc_attr( $val );
+					if (is_callable($callback)) {
+						$val = call_user_func($callback, $val);
+					} elseif (function_exists('esc_attr')) {
+						$val = esc_attr($val);
 					} else {
-						$val = htmlspecialchars( $val, ENT_QUOTES );
+						$val = htmlspecialchars($val, ENT_QUOTES);
 					}
 
-					if ( is_string( $val ) ) {
-						return sprintf( '%1$s="%2$s"', $key, $val );
+					if (is_string($val)) {
+						return sprintf('%1$s="%2$s"', $key, $val);
 					}
 				}
 			},
 			$attr,
-			array_keys( $attr )
+			array_keys($attr)
 		);
 
-		return implode( ' ', $html );
+		return implode(' ', $html);
 	}
-
-endif;
+}