PHP - String Functions
What will be the output of the following PHP code?
$text = "Hello World!"; echo substr($text, 6, 5);
What will be the output of the following PHP code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Identify substring start and length
Start index is 6 (0-based), length is 5 characters.Step 2: Extract substring from "Hello World!"
Index 6 is 'W', next 5 chars are 'World'.Final Answer:
World -> Option AQuick Check:
substr("Hello World!", 6, 5) = "World" [OK]
Quick Trick: Count characters from zero, then take length chars [OK]
Common Mistakes:
- Including the exclamation mark mistakenly
- Starting count from 1 instead of 0
- Confusing length with end index
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