w3resource

PHP: strtr() function

Description

The strtr() function is used to translate certain characters in a string.

Version:

(PHP 4 and above)

Syntax:

strtr(string_name, from_string, to_string) 

Parameters:

Name Description Required /
Optional
Type
string_name The string to be translated. Required String
from_string Contains characters to be translated. Required String
to_string Contains characters to be translated with. Required String

Another Syntax:

strtr(string_namer, translating_array)

Parameters:

Name Description Required /
Optional
Type
string_name The string to be translated Required String
translating_array Contains key value pairs. If values of the array elements are matched in the input string, then those characters in the input string are replaced with the corresponding keys of those values. Required Array

Return value:

Returns the translated string.

Value Type: String.

Pictorial Presentation

string_strtr

Example:

<?php
$string = 'Good Marning....';
echo  strtr($string, 'Ma', 'mo');
?>

Output:

Good morning....

View the example in the browser

See also

PHP Function Reference

Previous: strtoupper
Next: substr_compare



PHP: Tips of the Day

$_GET: An associative array of variables passed to the current script via the URL parameters

$_GET is an array that contains all the URL parameters; these are the whatever is after the ? in the URL.

Using http://www.example.com/index.php?myVar=myVal as an example. This information from this URL can be obtained by accessing in this format $_GET["myVar"] and the result of this will be myVal.

Using some code for those that don't like reading.

Example:

<?php
// URL = http://www.example.com/index.php?myVar=myVal
echo $_GET["myVar"] == "myVal" ? "true" : "false"; // returns "true"
?>

Output:

false

The above example makes use of the ternary operator.

This shows how you can access the value from the URL using the $_GET superglobal.

Now another example! gasp

// URL = http://www.example.com/index.php?myVar=myVal&myVar2=myVal2
echo $_GET["myVar"]; // returns "myVal"
echo $_GET["myVar2"]; // returns "myVal2"

Output:


It is possible to send multiple variables through the URL by separating them with an ampersand (&) character.

Security risk

It is very important not to send any sensitive information via the URL as it will stay in history of the computer and will be visible to anyone that can access that browser.