PHP: last key of an object

Question

I know that some array functions, such as array_rand, work for objects while you put (array) in front of the object. In this case, I am trying to get the identifier

$this->id = end($this->log->r); 

returns all elements of the last element. I just want to know what the key of this element is. This is a JSON_decoded object.

Answer 1

end() sets the pointer to the last property defined in the object and returns its value.

When the pointer moves, you can call the key() function to get the property name

 <?php $object = new stdClass(); $object->first_property = 'first value'; $object->second_property = 'second value'; $object->third_property = 'third value'; $object->last_property = 'last value'; // move pointer to end end($object); // get the key $key = key($object); var_dump($key); ?> 

Outputs

string 'last_property' (length=13)

This function is identical for arrays. How to get the last key in an array

Answer 2

You can cast an array before applying the end () method to an object:

 # $menu_items is an object returned by wp_get_nav_menu_items() wordpress method $menu_items = wp_get_nav_menu_items('nav_menu'); $last_item = (array) end($menu_items); print_r($last_item['title']);