w3resource

PHP: quotemeta() function

Description

The quotemeta() function is used to add backslash character (\) before meta characters i.e. ' .', '\', '+', '*', '?', '[', '^', ']',' (', '$', ')' in a string.

Version:

(PHP 4 and above)

Syntax:

quotemeta (input_string)

Parameter:

Name Description Required /
Optional		 Type
input_string The input string. Required string

Return value:

Returns the string with meta characters quoted.

Value Type: String.

Pictorial Presentation

php-string-quotemeta()

Example: 

<?php
$input_string = 'w3resource.com';
echo quotemeta($input_string);
?>

Output:

w3resource\.com

View the example in the browser

See also

PHP Function Reference

Previous: quoted_printable_ decode
Next: rtrim



PHP: Tips of the Day

Get the full URL in PHP

Have a look at $_SERVER['REQUEST_URI'], i.e.

Example:

$actual_link = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

(Note that the double quoted string syntax is perfectly correct)

If you want to support both HTTP and HTTPS, you can use

$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

Editor's note: using this code has security implications. The client can set HTTP_HOST and REQUEST_URI to any arbitrary value it wants.

Ref : https://bit.ly/2ZYItNJ