Handling and Comparing Special Characters in PHP

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 ...

Posted on Tue, 19 May 2026 08:29:26 +0000 by marty_arl