PHP - Variables and Data Types
Which of the following is the correct way to declare an integer variable with value 10 in PHP?
Which of the following is the correct way to declare an integer variable with value 10 in PHP?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Review PHP integer declaration syntax
Integers are assigned without quotes and with a dollar sign variable name.Step 2: Analyze options
$num = 10; correctly assigns integer 10. $num = '10'; assigns a string. $num = 10.0; assigns a float. $num = (int)'ten'; tries to cast a non-numeric string to int, resulting in 0.Final Answer:
$num = 10; -> Option BQuick Check:
Integer declaration syntax = $num = 10; [OK]
Quick Trick: Integers assigned without quotes in PHP. [OK]
Common Mistakes:
- Using quotes around numbers for integers
- Confusing floats with integers
- Casting non-numeric strings to int expecting original value
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