Random repeater row – only show active

• 

  • ladygeekgeek

  • May 18, 2017 at 11:23 pm

  Hi there I am showing a random repeater row on the front end, but would love the ability to only show a random row that also has an active sub field (true/false). Is this possible? Many thanks

  
  <?php 
     $rows = get_field( 'hero_blocks' ); // grab all rows from page ID 
   
        $rand_row = $rows[ array_rand( $rows ) ]; // get a random row
  
        $rand_row_image = $rand_row['hero_image' ]; // get the sub field value 
        $image = wp_get_attachment_image_src( $rand_row_image, 'featured_image' );
  
        $caption = $rand_row['caption'];
        $subtitle = $rand_row['subtitle'];
        $buttonLink = $rand_row['button_link'];
        $buttonText = $rand_row['button_text'];
  
  ?>
  
• 

  

  • John Huebner

  • May 20, 2017 at 2:31 am

  One way to do this would be to keep making selections until you find one that’s active

  
  // add a counter
  // this is an escape clause just in case no row is set to active
  // because the following code with create an infinite loop if that happens
  $escape_count = 0;
  do {
  	$rand_row = $rows[ array_rand( $rows ) ]; // get a random row
  	$escape_count++;
  } while (!$rand_row['active'] && $escape_count < 10);
  

  The other way would be to loop through the array first and eliminate all the inactive ones first.

  
  $rows = get_field( 'hero_blocks' ); // grab all rows from page ID 
  for ($i=0; $i<count($rows); $i++) {
  	if (!$rows[$i]['active']) {
  		unset($rows[$i]);
  	}
  }
  $rows = array_values($rows); // reindex the array
  $rand_row = $rows[ array_rand( $rows ) ]; // get a random row
  
• 

  • ladygeekgeek

  • May 22, 2017 at 5:11 pm

  Thanks John this is perfect!