PHP strtr() Function

Example

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

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

Run Instance

Definition and Usage

The strtr() function converts specific characters in the string.

Note:If from and to If the length of the parameters is different, they will be formatted 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 using array). Specifies the character to be changed.
to required (unless using array). Specifies the character to be changed to.
array required (unless using from and to). Array, where the key name is the original character to be changed, and the key value is the target character.

Technical Details

Return Value:

Returns the converted characters.

If array If the key name contains an empty string (""), FALSE will be returned.

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);
?>

Run Instance