PHP - String Functions
What will be the output of the following PHP code?
$text = "Programming";
echo substr($text, 3, 4);
What will be the output of the following PHP code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Identify substring start and length
Start index is 3, length is 4. Counting from 0: P(0), r(1), o(2), g(3).Step 2: Extract substring
Characters at positions 3,4,5,6 are g, r, a, m, forming "gram".Final Answer:
gram -> Option AQuick Check:
substr from 3 length 4 = "gram" [OK]
Quick Trick: Count start index from 0, length counts chars after start [OK]
Common Mistakes:
- Counting start from 1
- Including wrong number of characters
- Confusing substring with slice
Master "String Functions" in PHP
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore PHP Quizzes