Wordpress - Custom Fields and Meta Data
What will the following code output if the post with ID 10 has two meta values 'red' and 'blue' for the key 'color'?
print_r(get_post_meta(10, 'color', false));
What will the following code output if the post with ID 10 has two meta values 'red' and 'blue' for the key 'color'?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand get_post_meta() with third parameter false
It returns all meta values for the key as an array.Step 2: Check the meta values for 'color'
There are two values: 'red' and 'blue', so both appear in the array.Final Answer:
Array ( [0] => red [1] => blue ) -> Option AQuick Check:
Third parameter false returns all values as array [OK]
Quick Trick: Use false to get all meta values as array [OK]
Common Mistakes:
- Expecting a single string
- Confusing true and false parameter
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