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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.
The strtolower() function converts a string to lowercase. The following table summarizes the technical details of this function. Return Value: Returns the modified string. Version: PHP 4+.
6 lip 2023 · By applying the `strtolower()` function to both the user input and the database value, we ensure that the comparison is not case-sensitive. This allows us to detect if the provided email address already exists in the database, regardless of the letter case used.
19 wrz 2016 · mb_strtolower() should only be used for user input/output where strtolower() should be used for system orientated case formatting. This being said; strtolower() will be sufficient for most of anyone's needs, even for user input/output but then the question arises where and how you apply that data.
Manipulacja stringami w PHP. Zamiana na małe litery, duże litery, korzystanie z funkcji strlen, PHP trim, strtoupper, strtolower i innych podobnych.
11 gru 2022 · Untuk mengubah huruf besar ke kecil dalam sebuah string PHP, kita bisa menggunakan fungsi strtolower(). Fungsi ini butuh 1 argument berupa string yang akan diubah. Berikut contoh penggunaan fungsi strtolower():
