How do you correctly assign a custom error handler function named handleError using set_error_handler in PHP?

easy📝 Syntax Q3 of 15

PHP - Error and Exception Handling

How do you correctly assign a custom error handler function named handleError using set_error_handler in PHP?

Aset_error_handler('handleError');

Bset_error_handler(handleError);

Cset_error_handler(&handleError);

Dset_error_handler(handleError());

Step-by-Step Solution

Solution:

Step 1: Understand function parameter
The set_error_handler function expects the name of the handler as a string.
Step 2: Analyze options
set_error_handler('handleError'); passes the function name as a string, which is correct. set_error_handler(handleError); passes it as a bareword (undefined constant), C uses an invalid reference, and D calls the function immediately, which is incorrect.
Final Answer:
set_error_handler('handleError'); -> Option A
Quick Check:
Function name must be a string [OK]

Quick Trick: Function name must be a string [OK]

Common Mistakes:

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