07-02-2008
Try separating them with a semi colon
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LEARN ABOUT PHP
urlencode
URLENCODE(3) 1 URLENCODE(3)
urlencode - URL-encodes string
SYNOPSIS
string urlencode (string $str)
DESCRIPTION
This function is convenient when encoding a string to be used in a query part of a URL, as a convenient way to pass variables to the next
page.
PARAMETERS
o $str
- The string to be encoded.
RETURN VALUES
Returns a string in which all non-alphanumeric characters except -_. have been replaced with a percent ( %) sign followed by two hex dig-
its and spaces encoded as plus ( +) signs. It is encoded the same way that the posted data from a WWW form is encoded, that is the same way
as in application/x-www-form-urlencoded media type. This differs from the RFC 3986 encoding (see rawurlencode(3)) in that for historical
reasons, spaces are encoded as plus (+) signs.
EXAMPLES
Example #1
urlencode(3) example
<?php
echo '<a href="mycgi?foo=', urlencode($userinput), '">';
?>
Example #2
urlencode(3) and htmlentities(3) example
<?php
$query_string = 'foo=' . urlencode($foo) . '&bar=' . urlencode($bar);
echo '<a href="mycgi?' . htmlentities($query_string) . '">';
?>
NOTES
Note
Be careful about variables that may match HTML entities. Things like &, © and £ are parsed by the browser and the
actual entity is used instead of the desired variable name. This is an obvious hassle that the W3C has been telling people about for
years. The reference is here: http://www.w3.org/TR/html4/appendix/notes.html#h-B.2.2.
PHP supports changing the argument separator to the W3C-suggested semi-colon through the arg_separator .ini directive. Unfortu-
nately most user agents do not send form data in this semi-colon separated format. A more portable way around this is to use &
instead of & as the separator. You don't need to change PHP's arg_separator for this. Leave it as &, but simply encode your URLs
using htmlentities(3) or htmlspecialchars(3).
SEE ALSO
urldecode(3), htmlentities(3), rawurlencode(3), rawurldecode(3), RFC 3986.
PHP Documentation Group URLENCODE(3)