Working with string become a daily routine for PHP developers. Lot of cool PHP function are available now for altering strings. From them 4 most popular and useful PHP string functions are strtolower(), strtoupper(), ucwords() and ucfirst(). Today we are going to discuss about these 4 string function and know how to use them in PHP. Let’s go-
1. strtolower():
The strtolower() function lowercases all the characters in a string.
// define string $string = "FREE WEB DEVELOPMENT TUTORIALS BLOG FOR WEB DEVELOPER AND DESIGNER"; // lowercase entire string $output = strtolower($string); echo $output; // result: "free web development tutorials blog for web developer and designer"
2. strtoupper():
The strtoupper() function uppercases all the characters in a string.
// define string $string = "free web development tutorials blog for web developer and designer"; // uppercase entire string $output = strtoupper($string); echo $output; // result: "FREE WEB DEVELOPMENT TUTORIALS BLOG FOR WEB DEVELOPER AND DESIGNER"
3. ucwords():
The ucwords() function, that capitalizes the first character of every word in the string. It’s very useful for page titles.
// define string $string = "free web development tutorials blog for web developer and designer"; // uppercase first character of every word of string $output = ucwords($string); echo $output; // result: "Free Web Development Tutorials Blog For Web Developer And Designer"
Live Demo
4. ucfirst():
The ucfirst() function works cool for more precise control on string. The ucfirst() function that capitalizes the first character of a string.
// define string $string = "free web development tutorials blog for web developer and designer"; // uppercase first character of string $output = ucfirst($string); echo $output; // result: "Free web development tutorials blog for web developer and designer"
Enjoy!