Which of the following is the correct syntax to compare two variables $a and $b using the spaceship operator in PHP?

easy📝 Syntax Q12 of 15

PHP - Operators

Which of the following is the correct syntax to compare two variables $a and $b using the spaceship operator in PHP?

A$a <=> $b;

B$a => $b;

C$a <==> $b;

D$a <-> $b;

Step-by-Step Solution

Solution:

Step 1: Recall the spaceship operator syntax
The spaceship operator is written as <=> between two values.
Step 2: Check each option
$a <=> $b; uses <=> correctly. Others have invalid or incorrect symbols.
Final Answer:
$a <=> $b; -> Option A
Quick Check:
Correct operator is <=> [OK]

Quick Trick: Spaceship operator is exactly <=> with no extra symbols [OK]

Common Mistakes:

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