Return array php

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So I can’t seem to understand why I can’t return my array

Call to the function

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<?php

$args = array( 'post_type' => 'product', 
                'stock' => 1, 
                'posts_per_page' => 12, 
                'meta_key' => 'total_sales',
                'orderby' => 'meta_value_num' );

productsLoop($args);

?>

The function located in functions.php 

function productsLoop($args){

$post_ids = array();
    $loop = new WP_Query( $args );
    if ( $loop->have_posts() ) {
    while ( $loop->have_posts() ) : $loop->the_post();


    $post_ids[] = get_the_ID();


    endwhile;
    } else {
    echo __( 'No products found' );
    }

    wp_reset_query();
    return $post_ids;
}

Then on the original page I use the $post_ids in a for each loop, however it returns the error of undefined varibale

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1 comment

  1. The $post_ids variable isn’t available outside of the function. Since the function returns the array of IDs, you can assign that return value to a variable and use it in your loop.

    $ids = productsLoop($args);
// you can use the $ids variable now, for example...
foreach ($ids as $id) {
    echo $id . '<br>';
}

    Have a read through the variable scope section of the PHP manual for details.

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