PHP Case Conversion

In PHP, string related functions are most popular and widely used while programming. Among them, some set predefined string functions are used for working with string cases.

php_case_conversion

These functions are used to convert the string case from one another, and also, used to specify particular string with camel case representation. Such kind of PHP functions are listed below.

  • strtoupper() – To convert string case into uppercase letters.
  • strtolower() – To convert string case into lowercase letters.
  • ucfirst() – To convert first letter of the string to uppercase letters.
  • ucwords() – To convert first letter of each word in the string to uppercase letters.
  • Example: PHP Case Conversion

    $str = "welcome to PHPPOT";
    //Output: WELCOME TO PHPPOT
    echo $uppercase = strtoupper($str);
    //Output: welcome to phppot
    echo $lowercase = strtolower($str);
    //Output: Welcome to PHPPOT
    echo $uppercaseFirst = ucfirst($str);
    //Output: Welcome To PHPPOT
    echo $uppercaseWord = ucwords($str);
    

    This PHP code tutorial was published on May 11, 2013.

    ↑ Back to Top