Answer Posted / Rizwan Alam Khan.
In PHP, you can convert a string to hexadecimal using the dechex() function and back to a string using hexdec(). Here's an example:nn```phpn$str = 'example';n$hex_string = dechex($str); // Convert string to hexadecimalnecho $hex_string; // Output: 656d6173706fn$str_back = pack('H*', $hex_string); // Convert hexadecimal back to a stringnecho $str_back; // Output: example``
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