Posted By

zartgesotten on 06/27/09

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Last Edited at 06/27/09 03:12pm

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wordpress - automatically create Greybox imageset from images attached to post

/ Published in: PHP

I pieced together this code when I had to do this for a client:
- show the first image attached to a post (based on sort order in gallery tab) in medium size
- put all the other images attached to the post into an imageset so that when you click on the preview image you will see a greybox-gallery to click through with the full size images.

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<?php 
		//Die zum Post gehoerenden Bilder ins Array $images schreiben
		//Put images from post in to array $images. Order by menu order defined in post gallery
		$images = get_children( array('post_parent' => $post->ID, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID') );
	  		
		//Pruefen, ob dem Beitrag Bilder angehaengt wurden.
		//check if there are any images attached to the post
		if (isset($images))
		{
				//Den Zaehler auf 0 setzen
				//set counter to 0
				$count=0;	
				//Alle Bilder im Array $images nacheinander durchlaufen
				//go through all images in array $images
			foreach( $images as $image )
				{
					$imageID = $image->ID;
					//fuer jedes Bild im Array die URL von sowohl der Mittleren, als auch der grossen Groesse ermitteln.
					//get medium and large image url for image
					$medImageSrc = wp_get_attachment_image_src($imageID, $size='medium', $icon = false); 
					$largeImageSrc = wp_get_attachment_image_src($imageID, $size='large', $icon = false); 
					
						//Wenn es sich um das erste Bild im Array handelt...
						//If it's the first image in the array
						if ($count==0)
					{
						//Den Greybox-Code mit einem Vorschaubild ausgeben
						//output Greybox Code with medium size preview
						echo"<a href='$largeImageSrc[0]' rel='shadowbox[Bilder]'><img src='$medImageSrc[0]' border='0'></a>";
					}
					//alle Bilder ,die nach dem erstern Bild kommen
					//this is for all the images that come after the first one
					else
					{
					//unsichtbare Greybox-Verknuepfung darstellen.
					//create invisible Greybox-Links without preview image
					echo"<a href='$largeImageSrc[0]' rel='shadowbox[Bilder]'></a>";
					}
					//Zaehler erhoehen.
					//increase counter
					$count++;
				
				} //foreach
		}
				
			
	
?>

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