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Counting Repeater rows sharing same subfield value

  • I’m creating a progress indicator for projects using a repeater field. While I’m able to count the rows of the repeater field itself, I want to also count the number of rows that have a certain sub field value (i.e. projects marked ‘completed’), so I can then calculate a ‘progress percentage’.

    Is it possible to count rows with the same sub field value outside the repeater loop?

  • The repeater field stores the values as a serialized array in the database so I don’t think it will be easy to get an exact count outside of the repeater loop. If you need discreet access to this data I would use the acf/update_value and acf/delete_value filters to maintain the counts in different meta fields.

    $field_key = 'your field key'; // or use name, type, etc and the proper filters
    // Run on field value update
    add_filter( 'acf/update_value/key={$field_key}', function($values, $post_id, $field){
    	if ( $field['type'] == 'repeater' ){
    		// you might need to delete "old" value sums in the db that aren't on the current values
    		$sums = array();
    		foreach( $values as $value ){
    			if ( !isset( $sums[$value] ) ){
    				$sums[$value] = 1;
    			} else {
    		foreach( $sums as $value => $sum ){
    			// save the sum for each value in a different field
    }, 20, 3 );
    // Run when a value is deleted
    add_filter( 'acf/delete_value/key={$field_key}', function($value, $post_id, $field){
    	// probably do the exact same thing as when a value is updated... recalculate the sum of each value
    }, 20, 3 );
  • Hi jsilver, Thanks for your reply – I couldn’t get that working unfortunately, so I ended up adding the repeater loop with a counter to count all the rows with the required sub field value. Thanks again.

  • There isn’t a way to count how many sub fields have a specific value without looping over the repeater, or looping over something. A repeater will return a nested array of rows and you can loop over that.

    $total = 0;
    $repeater = get_field('repeater');
    if ($repeater) {
      foreach ($repeater as $row) {
        if ($row['sub_field_name'] == 'the value your looking for') {
    echo $total,' rows of ',count($repeater),
         ' total rows have the value the value your looking for';
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