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Example. Convert all characters to uppercase: <?php. echo strtoupper ("Hello WORLD!"); ?> Try it Yourself » Definition and Usage. The strtoupper () function converts a string to uppercase. Note: This function is binary-safe. Related functions: strtolower () - converts a string to lowercase.
strtoupper (string $string): string Returns string with all ASCII alphabetic characters converted to uppercase. Bytes in the range "a" (0x61) to "z" (0x7a) will be converted to the corresponding uppercase letter by subtracting 32 from 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.
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.
How to convert string to uppercase in PHP? In this PHP tutorial, you shall learn how to convert a given string to uppercase using strtoupper () function, with example programs.
The strtoupper() function in PHP is a useful tool for converting all lowercase letters in a string to uppercase. It is particularly useful when working with text-based applications where case sensitivity is important.
ucfirst (string $string): string. Returns a string with the first character of string capitalized, if that character is an ASCII character in the range from "a" (0x61) to "z" (0x7a).
