PHP FILTER_SANITIZE_URL Filter
 Complete PHP Filter Reference
Definition and Usage
The FILTER_SANITIZE_URL filter removes all illegal URL characters from a
string.
This filter allows all letters, digits and $-_.+!*'(),{}|\\^~[]`"><#%;/?:@&=
- Name: "url"
- ID-number: 518
Example
<?php
$var="http://www.w3schooåøls.coøm";
var_dump(filter_var($var, FILTER_SANITIZE_URL));
?>
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The output of the code will be:
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string(24) "http://www.w3schools.com"
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Complete PHP Filter Reference
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