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<!DOCTYPE html><html><body>​<?phpecho strcasecmp("Hello world!","HELLO WORLD!")."<br>"; // The two strings are equalecho strcasecmp("Hello world!","HELLO")."<br>"; // String1 is greater than string2echo strcasecmp("Hello world!","HELLO WORLD! HELLO!")."<br>"; // String1 is less than string2 ?> </body></html>​