What are some common use cases for converting strings to hexadecimal representation in PHP?

Converting strings to hexadecimal representation in PHP is commonly used for encoding data for secure transmission or storage, generating unique identifiers, or converting binary data to a human-readable format. This conversion can be useful when working with cryptographic functions, encoding URLs, or displaying data in a visually distinct format. 

// Convert a string to its hexadecimal representation
$string = "Hello, World!";
$hexString = bin2hex($string);

echo $hexString;

Keywords

hexadecimal representation string conversion PHP functions encoding data manipulation

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