PHP urldecode() Function: Description, Parameters, Return Value, and Example
The article explains PHP's urldecode() function, detailing its purpose of decoding URL-encoded strings, the function signature, parameter description, return value, and provides a complete example demonstrating how to split a query string and decode each parameter.
urldecode() decodes an encoded URL string, converting any %## sequences and plus signs (+) to their corresponding characters.
Signature: string urldecode(string $str) Parameters: $str – the URL‑encoded string to decode.
Return value: The decoded string.
Example:
<?php
$query = "my=apples&are=green+and+red";
foreach (explode('&', $query) as $chunk) {
$param = explode('=', $chunk);
if ($param) {
printf("Value for parameter \"%s\" is \"%s\"<br/>
", urldecode($param[0]), urldecode($param[1]));
}
}
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