What does the PHP function strlen() do?

easy📝 Conceptual Q11 of 15

PHP - String Functions

What does the PHP function strlen() do?

AIt removes spaces from a string.

BIt converts a string to uppercase.

CIt splits a string into an array.

DIt returns the number of characters in a string.

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of strlen()
The strlen() function counts all characters in a string, including letters, spaces, and symbols.
Step 2: Compare with other options
Other options describe different string functions, not strlen().
Final Answer:
It returns the number of characters in a string. -> Option D
Quick Check:
strlen() counts characters [OK]

Quick Trick: Remember: strlen() counts all characters in a string [OK]

Common Mistakes:

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