PHP rawurlencode Function: Description, Parameters, and Examples

The rawurlencode() function in PHP encodes a string according to RFC 3986, converting all non‑alphanumeric characters except -_. into percent‑encoded sequences.

Signature: string rawurlencode(string $str) Parameters: $str – the URL or string to be encoded.

Return value: a string where characters other than -_. are replaced with % followed by two hexadecimal digits, preserving the original meaning of the URL.

Example 1:

<?php
echo '<a href="ftp://user:' . rawurlencode('foo @+%/') . '@ftp.example.com/x.txt">';
?>

Output:

<a href="ftp://user:foo%20%40%2B%25%[email protected]/x.txt">

Example 2:

<?php
echo '<a href="http://example.com/department_list_script/' . rawurlencode('sales and marketing/Miami') . '">';
?>

Output:

<a href="http://example.com/department_list_script/sales%20and%20marketing%2FMiami">