[Solved] What does the PHP function substr($text, 2, 3) do? — Ans: Extracts 3 characters from $text starting at index 2 | PHP

PHP - String Functions

What does the PHP function substr($text, 2, 3) do?

AExtracts the first 3 characters of $text

BExtracts 2 characters from $text starting at index 3

CExtracts 3 characters from $text starting at index 2

DExtracts the last 3 characters of $text

Step-by-Step Solution

Solution:

Step 1: Understand substr parameters
The first parameter is the string, the second is the start index (0-based), and the third is the length of substring.
Step 2: Apply to given function
Starting at index 2 means the third character, and length 3 means extract 3 characters from there.
Final Answer:
Extracts 3 characters from $text starting at index 2 -> Option C
Quick Check:
substr(string, 2, 3) = 3 chars from index 2 [OK]

Quick Trick: Remember start is zero-based, length is how many chars [OK]

Common Mistakes:

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