Replace the characters "ia" in the string with "eo":
The strtr() function translates certain characters in a string.
Note: If the from and to parameters are different in length, both will be formatted to the length of the shortest.
|string||Required. Specifies the string to translate|
|from||Required (unless array is used). Specifies what characters to change|
|to||Required (unless array is used). Specifies what characters to change into|
|array||Required (unless to and from is used). An array containing what to change from as key, and what to change to as value|
|Return Value:||Returns the translated string.
If the array parameter contains a key which is an empty string (""), it will return FALSE.
Replace the string "Hello world" with "Hi earth":