Freaks City

When processing user input or data from external sources, special characters can cause unexpected mismatches. This article presents a practical approach to normalize and compare strings that contain such characters. Converting Special Characters to Hexadecimal The bin2hex() function can be used to inspect the raw bytes of a string: $string = '1 ...

In C, a string is a sequence of characters enclosed in double quotes. Every string literal is implicitly terminated by a null character '\0', which marks the end of the string. If this terminator is missing in a manual built character array, functions like printf("%s", ...) will continue reading memory beyond the array until encounter ...