Which of the following PHP statements correctly uses the ternary operator to assign $result based on $num being greater than 0?

easy📝 Syntax Q3 of 15

PHP - Conditional Statements

A$result = $num > 0 ? 'Positive'; 'Non-positive';

B$result = ($num > 0) ? 'Positive' 'Non-positive';

C$result = ($num > 0) ? 'Positive' : 'Non-positive';

D$result = ($num > 0) ? 'Positive' && 'Non-positive';

Step-by-Step Solution

Solution:

Step 1: Identify the ternary operator syntax
The ternary operator syntax is: condition ? value_if_true : value_if_false.
Step 2: Check each option
$result = ($num > 0) ? 'Positive' : 'Non-positive'; correctly uses the syntax with parentheses and colon separating true and false values. Options B, C, and D have syntax errors or misuse operators.
Final Answer:
$result = ($num > 0) ? 'Positive' : 'Non-positive'; -> Option C
Quick Check:
Colon separates true and false parts [OK]

Quick Trick: Ternary needs '?' and ':' to separate parts [OK]

Common Mistakes:

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