peadig-bootstrap-components.php

<?php
	/**
	 * Bootstrap Alert Dialog
	 *
	 * @link http://v4-alpha.getbootstrap.com/components/alerts/
	 *
	 * @param $a array containing the options for this function. Expected array keys are below
	 *          html - string - this is the HTML that will be outputted
	 *	        type - string - type of alert info(default), success, warning, danger
	 *	        close_button - bool- true or false to display
	 *	        extra_classes - string - if the user needs any other classes in here
	 *	        attrs - string - if the user needs any other attributes and values to the tag
	 *
	 * @author ShaneJones
	 * @since 2.0.0
	 *
	 */
	static function alert($a) {

		$html = (isset($a['html'])?$a['html']:null);
		$type = (isset($a['type'])?$a['type']:'info');
		$close_button = (isset($a['close_button'])?$a['close_button']:null);
		$extra_classes = (isset($a['extra_classes'])?$a['extra_classes']:null);
		$extra_ids = (isset($a['extra_ids'])?$a['extra_ids']:null);
		$attrs = (isset($a['attrs'])?$a['attrs']:null);


		/** check for ahrefs in $html */
		preg_match_all('/(<a.*?>)/', $html, $links);
		$links = $links[0];

		if(sizeof($links)>0){
			$links = array_unique($links);

			foreach($links as $link){
				$current_link = $link;
				$updated_link = $link;

				if(strpos($updated_link, 'alert-link') == true){
					// this link is fine so bail
					break;

				} else if(strpos($updated_link, 'class=') == true){
					// this needs the class name appending to the current class
					preg_match('/(class=".*?")/', $link, $class);

					$class = array_unique($class);

					$current_class = $class[0];
					$updated_class = $class[0];

					$updated_class = substr($updated_class, 0, -1);

					$updated_class .=  ' alert-link"';

					$html = str_replace($current_class, $updated_class, $html);

				} else {
					// this needs the class attribute adding
					$updated_link = substr($updated_link, 0, -1);

					if(substr($updated_link, -1) == ' '){
						$updated_link .=  'class="alert-link">';
					} else {
						$updated_link .=  ' class="alert-link">';
					}

					$html = str_replace($current_link, $updated_link, $html);

				}

			}

		}

		if($extra_ids){
			$extra_ids = 'id="' . $extra_ids . '"';
		}



		/** Output the alert with all of the options */
		?>
		<div class="alert alert-<?php echo $type ?> <?php echo $extra_classes; ?>" <?php echo $extra_ids ?> role="alert" <?php echo $attrs ?>>
			<?php if($close_button): ?>
			<button type="button" class="close" data-dismiss="alert" aria-label="Close">
				<span aria-hidden="true">&times;</span>
			</button>
			<? endif; ?>
			<?php echo $html; ?>
		</div>
		<?php
	}