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strcasecmp (string $string1, string $string2): int Binary safe case-insensitive string comparison. The comparison is not locale aware; only ASCII letters are compared in a case-insensitive way.
Definition and Usage. The strcasecmp () function compares two strings. Tip: The strcasecmp () function is binary-safe and case-insensitive. Tip: This function is similar to the strncasecmp () function, with the difference that you can specify the number of characters from each string to be used in the comparison with strncasecmp ().
The strcasecmp() function is a useful tool for comparing two strings without regard to case in PHP. It can be used to compare user input, perform operations that depend on the comparison of two strings, and more.
See Also ¶. strcasecmp () - Binary safe case-insensitive string comparison. preg_match () - Perform a regular expression match. substr_compare () - Binary safe comparison of two strings from an offset, up to length characters. strncmp () - Binary safe string comparison of the first n characters.
echo strcasecmp("Hello world!","HELLO WORLD!"); ?>. <p>If this function returns 0, the two strings are equal. </p>.
Learn how to use strcasecmp () to compare two strings regardless of their case in PHP. See practical examples of basic usage, case-insensitive sorting, and handling special characters.
31 sie 2022 · It takes two strings as arguments and returns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal. There is also a case-insensitive version named strcasecmp() that first converts strings to lowercase and then compares them.
