PHP strtr() function

Example

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

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

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Definition and Usage

The strtr() function converts specific characters in a 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 characters to be changed.
to required (unless using array). Specifies the characters to be changed to.
array required (unless using from and to). Array, where the key names are the original characters to be changed and the key values are the target characters.

Technical Details

Return value:

Returns the converted characters.

If array If the parameter contains a key name with 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