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FILTER_SANITIZE_URL constant in PHP
The FILTER_SANITIZE_URL constant removes all illegal URL characters from a string. It allows the following −
$-_.+!*'(),{}|\^~[]`"><#%;/?:@&=
Return
The FILTER_SANITIZE_URL constant does not return anything.
Example
<?php $var = "www.example"; var_dump(filter_var($var, FILTER_SANITIZE_URL)); ?>
Output
The following is the output.
string(11) "www.example"
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