PHP - Operators
Given the variables:
Which expression evaluates to
$a = false;
$b = true;
$c = false;
Which expression evaluates to
true?($a || $b) && !$cGiven the variables:
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Evaluate the OR inside parentheses
$a is false, $b is true, so$a || $bis true.Step 2: Evaluate the NOT operator on $c
$c is false, so!$cis true.Step 3: Evaluate the AND between results
true AND true equals true.Final Answer:
true -> Option DQuick Check:
(false OR true) AND NOT false = true [OK]
Quick Trick: Evaluate inside parentheses first, then NOT, then AND [OK]
Common Mistakes:
- Ignoring operator precedence
- Misapplying NOT operator
- Assuming OR returns false if one operand is false
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