How to fix error end() expects parameter 1 to be array?

• vex700

• May 25, 2022 at 3:26 pm

$test = get_field(‘testing’, $post->ID);
$last_row = end($test);

causes

PHP Warning: end() expects parameter 1 to be array, bool given in url/test.php on line 678
PHP Notice: Trying to access array offset on value of type null in url/test.php on line 685
PHP Notice: Trying to access array offset on value of type null in url/test.php on line 686

How to fix that?

• John Huebner

• May 26, 2022 at 8:55 am

You need to test to make sure the field returns an array before using end(). If the field has no value it will return NULL.

if (is_array($test)) {
  // do stuff with the array
}