[Solved] What does the following PHP code do?$num = (int) "123"; — Ans: Converts the string "123" to an integer 123 | PHP

PHP - Type Handling

What does the following PHP code do?
$num = (int) "123";

AConverts the string "123" to an integer 123

BConverts the integer 123 to a string

CThrows a syntax error

DLeaves the variable as a string

Step-by-Step Solution

Solution:

Step 1: Identify the type casting operation
The code uses (int) before a string variable, which means it converts the string to an integer.
Step 2: Understand the conversion result
The string "123" becomes the integer 123 after casting.
Final Answer:
Converts the string "123" to an integer 123 -> Option A
Quick Check:
Type casting (int) converts string "123" to integer 123 [OK]

Quick Trick: Casting (int) changes strings of digits to numbers [OK]

Common Mistakes:

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