PHP function strtr() that converts specific characters in a string

Example

Replace the character "ia" in string with "eo":

<?php
echo strtr("Hilla Warld","ia","eo");
?>

Definition and usage

strtr() FunctionConvert specific characters in a string.

Note: If the lengths of the from and to parameters are different, format them to the shortest length.

Syntax

strtr(string,from,to)

or

strtr(string,array)

Parameters	Description
string	Required. Specifies the string to be converted.
from	Required (unless array is used). Specifies the character to be changed.
to	Required (unless using an array). Specifies the character to change to.
array	Required (unless from and to are used). An array in which the key name is the original character and the key value is the target character.

Technical details

Return value:	Returns the converted characters. If the array parameter contains an empty string ("") key name, return FALSE.
PHP version:	4+

##More examples

Example 1

Replace the string "Hello world" with "Hi earth":

<?php
$arr = array("Hello" => "Hi", "world" => "earth");
echo strtr("Hello world",$arr);
?>

Example

<?php 
echo strtr("Hilla Warld","ia","eo"); 
?>

Output:

Hello World example 2

<?php 
$arr = array("Hello" => "Hi", "world" => "earth"); 
echo strtr("Hello world",$arr); 
?>

Output:

Hi earth

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