[Solved] Find the mistake in this code to display a custom field:$value = get_post_meta(20, 'subtitle');echo $value; | Wordpress

Wordpress - Custom Fields and Meta Data

Find the mistake in this code to display a custom field:

$value = get_post_meta(20, 'subtitle');
echo $value;

AMeta key should be uppercase

BWrong post ID type

CEcho cannot print variables

DMissing third parameter to get single value

Step-by-Step Solution

Solution:

Step 1: Check get_post_meta parameters
Without third parameter, it returns an array of values.
Step 2: Echoing array causes error or prints 'Array'
To get a string, third parameter true is needed.
Final Answer:
Missing third parameter to get single value -> Option D
Quick Check:
Third param true returns string, else array [OK]

Quick Trick: Add true as third param to get string, not array [OK]

Common Mistakes:

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