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Definition and Usage. The strtolower () function converts a string to lowercase. Note: This function is binary-safe. Related functions: strtoupper () - converts a string to uppercase. lcfirst () - converts the first character of a string to lowercase. ucfirst () - converts the first character of a string to uppercase.
strtolower (string $string): string. Returns string with all ASCII alphabetic characters converted to lowercase. Bytes in the range "A" (0x41) to "Z" (0x5a) will be converted to the corresponding lowercase letter by adding 32 to each byte value.
In this tutorial, you'll learn how to use the PHP strtolower() function to make the lowercase version of a string.
6 lip 2023 · In this example, we convert both the user input stored in `$userInput` and the value retrieved from the database stored in `$dbValue` to lowercase using `strtolower()`. Then, we compare the lowercase versions of the strings to check for a match.
27 gru 2023 · PHP strtolower() function. The strtolower() function is a string function, it accepts the string and returns an lowercase string. Syntax. The syntax of the strtolower() function: strtolower(string); Parameters. The parameters of the strtolower() function: string: An input parameter. Sample Input/Output Input: "This is my COMPUter!" Output ...
22 cze 2023 · The strtolower() function in PHP converts a string to lowercase. Syntax. strtolower($string); The strtolower() function takes one parameter, $string, as input and returns a new string with all the characters converted to lowercase. The $string can be any string value. Example.
strtolower( string $string): string Returns string with all alphabetic characters converted to lowercase. Note that 'alphabetic' is determined by the current locale.
