如何修复wordpress中的coupon_store错误

Question

警告:为第9行的/home/content/52/11847652/html/coupons/wp-content/themes/deals/taxonomy-coupon_store.php中的foreach()提供的无效参数

这是给出这个错误的url页面。

<?php
$taxonomy='coupon_store';
$term = get_queried_object();
//get my store.
$store_obj = get_the_terms( $post->ID, 'coupon_store' );
foreach ( $store_obj as $element ) {
    $store_id = $element->term_id;
    $store_name = $element->name;
    $store_description = $element->description;
    $store_count = $element->count;
    $store_url = get_term_link( $element, 'coupon_store' );
}
$store_url = get_metadata('coupon_store', $store_id, 'junkie_store_url', true);
$store_aff_url = get_metadata('coupon_store', $store_id, 'junkie_store_aff_url', true);
$store_image_preview = junkie_get_store_image_url($store_id, 'term_id', 100);
?>

Answer 1

 <?php 
    $taxonomy='coupon_store'; 
    $term = get_queried_object(); //get my store. 
    $store_obj = get_the_terms( $post->ID, 'coupon_store' );
    if(!empty($store_obj)) 
    {
     foreach ( $store_obj as $element ) 
     { 
      $store_id = $element->term_id; 
      $store_name =  $element->name; 
      $store_description = $element->description; 
      $store_count = $element->count; 
      $store_url = get_term_link( $element, 'coupon_store' ); 
     } 
    }
    $store_url = get_metadata('coupon_store', $store_id, 'junkie_store_url', true);
    $store_aff_url = get_metadata('coupon_store', $store_id, 'junkie_store_aff_url', true);
    $store_image_preview = junkie_get_store_image_url($store_id, 'term_id', 100); 

?>

Answer 2

此错误是由于empty variable而产生的。

您需要检查变量是否为空。

参见下面的示例代码，

$coupons = array();
if( !empty($coupons) )
{
    foreach ($coupons as $coupon)
    {
        //Do your Stuff.
    }
}

希望它能成功。

Answer 3

请查看

$post->ID

我想->我是空白的。请查收。