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Sort Repeater in BACK end, Where Data is Entered 2

  • Please see my other thread, , which is marked solved for background on this. I didn’t see a way to mark it “unsolved” so I am creating a new thread.

    When I put define('WP_DEBUG', true); in wp-config.php. And have this in my functions.php file:

    function my_acf_load_value( $rows ) {
    	foreach ( $rows as $key => $row ) {
    		$column_id[ $key ] = $row[ 'field_593c04d244712' ];
    	array_multisort( $column_id, SORT_ASC, $rows );
    	return $rows;

    I get the following errors on the front end:

    Warning: Invalid argument supplied for foreach() in functions.php on line 110
    Warning: array_multisort(): Argument #1 is expected to be an array or a sort flag in functions.php on line 113

    Line 110:
    foreach ( $rows as $key => $row ) {

    Line 113:
    array_multisort( $column_id, SORT_ASC, $rows );

    Not sure how to keep this filter functional AND prevent these Warnings. What do I need to do to prevent them?

  • I think where you have field_593c04d244712 it should be the name of the field, not the key.

  • Getting the same errors — and using name of field, not the key, so that’s not the problem/solution. Function runs, and sorts as intended, but would be nice to not have those errors.

  • start by dumping the value $rows before the foreach to see what it holds.
    if the output is as expected, then dump $key and $row within the foreach.

    I think there is either an error in $rows or $key.

  • Thanks @beee — repeater was NULL on some pages, neglected to include the pre-repeater-loop sort in the if statement.

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