FILTER_SANITIZE_URL
$url = "https://www.plus 2 net.com ";
echo $url;
$url_new= filter_var($url, FILTER_SANITIZE_URL);
echo "<br> After FILTER_SANITIZE_URL : $url_new ";
Output is here ( space is removed )
https://www.plus 2 net.com
After FILTER_SANITIZE_URL : https://www.plus2net.com
We can sanitize a URL by using FILTER_SANITIZE_URL.
This function removes all chars except letters, digits and $-_.+!*'(),{}|\\^~[]`<>#%";/?:@&=.
Example
$url = 'https://www.plus 2 net.com?id=123&mem=alex_#rt$k';
echo $url;
$url_new= filter_var($url, FILTER_SANITIZE_URL);
echo "<br> After FILTER_SANITIZE_URL : $url_new ";
OUtput is here
https://www.plus 2 net.com?id=123&mem=alex_#rt$k
After FILTER_SANITIZE_URL : https://www.plus2net.com?id=123&mem=alex_#rt$k
← Filter reference
Validating URL →
Validating Boolean data →
Ctype_alnum to check alphanumeric characters →
Validating Email address →
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