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PHP passes string according to url encoding data

I am using a PHP file to send data from my website to JS. And I am posting data by php to url. For example. www.web.com/send.php?data=Change All. And my problem is that if someone sends a special character or emoticon, the PHP script won't work. Is there any function to encode a string for a string with letters and numbers only, and on the PHP side to decode it? Thanks for answers;).

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3 answers


In javascript use:

encodeURIComponent('Hello everybody')


In PHP use:

$data=$_GET['data'];
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In javascript, you have to use the following function to encode the url:

var url = 'www.web.com/send.php?data='+encodeURIComponent (' Hello every ');



in php you can use:

$ data = $ _GET ['data'];

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I am using these functions for decoding / encoding

public function encode($string)
    {

        $string=$string*1498158+825920496;
        return urlencode(base64_encode($string));

    }
///////////////////////////////////////////////////////////////////////////////
    public function decode($string)
    {
        $string=base64_decode(urldecode($string));
        $string=($string-825920496)/1498158;
        return  $string;
    }
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