PHP Functions Essential Reference

strtr

Original form:

string strtr(string string, string find, string replace) 

Alternate form (PHP 4+ only):

string strtr(string string, array map) 

string	String to operate on
map	Associative array of 'find' => 'replace' mappings

Replaces all occurrences of find within string with replace.

Returns:

String; FALSE on error

Description:

strtr() is used to translate sets of substrings within a string to another set of substrings. If the find and replace arguments are specified, each character in string that occurs in find is replaced with the corresponding character in replace . The find and replace strings should be of equal length—if they’re not, the additional characters in the longest string are ignored.

If the map argument is used instead, ...