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Convert all characters to lowercase: <?php. echo strtolower ("Hello WORLD."); ?> Try it Yourself » 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.
Use the strtolower() function to return a new string from a string with all characters converted to lowercase. Use the mb_strtolower() for a string with a specific encoding. Did you find this tutorial useful?
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.
10 sty 2024 · This tutorial provides an in-depth look at converting strings to both lowercase and uppercase, demonstrating functions like strtolower() and strtoupper() as well as more nuanced approaches suitable for multibyte character encodings.
13 cze 2012 · If you wish to lowercase all values in an nested array, use the following code: function nestedLowercase($value) { if (is_array($value)) { return array_map('nestedLowercase', $value); } return strtolower($value); } So: [ 'A', 'B', ['C-1', 'C-2'], 'D'] would return: [ 'a', 'b', ['c-1', 'c-2'], 'd']
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
Manipulating string case is crucial in PHP for various tasks such as data processing, text formatting, and standardizing user inputs. This tutorial will guide you on changing string cases in PHP, transforming strings to uppercase, lowercase, and proper case using PHP's built-in functions.
