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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>PHP Case Insensitive String Comparison of First N Characters</title> </head> <body> <?php // Sample strings $str1 = "Airport"; $str2 = "Airplane"; // Comparing the first five characters echo strncasecmp($str1, $str2, 5); ?> </body> </html>
