[Solved] Identify the error in the following code snippet:add_action('wp_head', 'my_function', 'high', 2); function my_function($arg1, $arg2) { echo $arg1 . $arg2; } | Wordpress

Wordpress - WordPress Hooks System

Identify the error in the following code snippet:

add_action('wp_head', 'my_function', 'high', 2);
function my_function($arg1, $arg2) {
  echo $arg1 . $arg2;
}

AAccepted args must be the third parameter

BFunction name must be passed without quotes

CPriority should be an integer, not a string

DHook name is invalid

Step-by-Step Solution

Solution:

Step 1: Check parameter types in add_action
The third parameter is priority and must be an integer, but 'high' is a string.
Step 2: Verify other parameters
Function name is correctly quoted, accepted args is fourth parameter, hook name is valid.
Final Answer:
Priority should be an integer, not a string -> Option C
Quick Check:
Priority must be integer, not string [OK]

Quick Trick: Priority is always a number, never a string [OK]

Common Mistakes:

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