How to convert string to lowercase in php

How to convert a string into lowercase in php: You can use the built-in function strtolower() to convert. The strtolower() function can convert all uppercase letters in a string to lowercase, such as [strtolower("Hello WORLD.")].

strtolower() function converts a string to lowercase.

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Grammar:

strtolower(string)

Example:

Running results:

hello world.

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