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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.
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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.
Description. mb_strtolower (string $string, ? string $encoding = null): string. Returns string with all alphabetic characters converted to lowercase. Parameters. string. The string being lowercased. encoding. The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used. Return Values
10 sty 2024 · strtolower() – This function takes a string as its argument and returns the string with all alphabetic characters converted to lowercase. strtoupper() – Conversely, this function transforms all alphabetic characters in a given string to uppercase. Example usage: $lowerString = "HELLO WORLD!"; echo strtolower($lowerString);// Outputs: hello world!
Manipulacja stringami w PHP. Zamiana na małe litery, duże litery, korzystanie z funkcji strlen, PHP trim, strtoupper, strtolower i innych podobnych.
strtolower( string $string): string Returns string with all alphabetic characters converted to lowercase. Note that 'alphabetic' is determined by the current locale.
As the UTF-8 non-ascii letters are written with two or more bytes, the strtolower converts each byte separately, and if the byte happens to contain code equal to letters A-Z, it is converted. In the result the sequence is broken, and it no longer represents correct character.
