PHP web development
by admin

What is strtr() function in PHP? and Its use?

The strtr() function in PHP is used to translate certain characters in a string. It takes two parameters: the first is the string that you want to translate, and the second is an array of translations. The array should contain the characters or strings that you want to replace as the keys, and the replacement characters or strings as the values. For example, you could use strtr() to replace all the vowels in a string with the letter 'x':

$string = "Hello, world!";
$trans = array("a" => "x", "e" => "x", "i" => "x", "o" => "x", "u" => "x");
$new_string = strtr($string, $trans);

strtr() function is useful in various ways, some of the common uses include:

  1. Replacing specific characters or strings in a string: The function can be used to replace certain characters or strings in a string with other characters or strings. For example, you can use strtr() to replace all the vowels in a string with the letter 'x'.
  2. Encryption/Decryption: strtr() can be used to encrypt or decrypt a string by replacing the characters with other characters. For example, you can use it to encrypt a string by replacing each character with its corresponding ASCII value.
  3. Transliteration: strtr() can be used to convert non-latin characters to their latin equivalent.
  4. Removing unwanted characters: You can use strtr() to remove unwanted characters from a string by replacing them with an empty string.
  5. Case conversion: strtr() can be used to convert all the characters of a string to lowercase or uppercase.
  6. Translation: You can use strtr() to translate a string from one language to another.
  7. Token Replacement: strtr() can be used to replace tokens in a string with their corresponding values.
  8. Sanitizing Input: strtr() can be used to sanitize user input by removing any unwanted characters or strings from it.

Get CMTech Brisbane-based PHP development company, to help you with your web development project. We are based in Brisbane and have supporting clients across Australia since 2010. Call us on 07 3272 7155 or fill out the enquiry form to discuss your PHP web development.

Bottom Tags : Web Design Brisbane, Web Development Brisbane, web design company brisbane, Custom Software Development Brisbane