[Solved] Why does PHP require parameters with default values to be placed after parameters without defaults? — Ans: To avoid ambiguity when calling functions with missing arguments. | PHP

PHP - Functions

Why does PHP require parameters with default values to be placed after parameters without defaults?

ATo avoid ambiguity when calling functions with missing arguments.

BBecause PHP does not support default values at all.

CTo force all parameters to have default values.

DBecause parameters are always passed by reference.

Step-by-Step Solution

Solution:

Step 1: Understand function call ambiguity
If default parameters came before required ones, PHP wouldn't know which argument matches which parameter when some are missing.
Step 2: Recognize PHP's design choice
Placing defaults last ensures clear matching of arguments to parameters.
Final Answer:
To avoid ambiguity when calling functions with missing arguments. -> Option A
Quick Check:
Parameter order prevents call ambiguity [OK]

Quick Trick: Defaults last prevent confusion in function calls [OK]

Common Mistakes:

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Why does PHP require parameters with default values to be placed after parameters without defaults?