strcasecmp – PHP String Functions
Syntax :
strcasecmp ( string1, string2 );
Description :
strcasecmp() function will compare two strings.
Note : Binary safe case-insensitive string comparison function.
Parameter :
- string1 – This is a Required parameter. It is the first string which will be compared.
- string2 – This is a Required parameter. It is the second string which will be compared.
Output :
Return values in this function are:
- 0 – if the two strings are equal.
- < 0 – if string1 is less than string2.
- > 0 – if string1 is greater than string2.
Related articles : strcmp(), substr() , preg_match(), substr_compare(), stristr().
strcasecmp() – PHP Functions Example 1 : It returns 0, if the two strings are equal.
<?php
echo strcasecmp("Hi from tutorialmines.","hI FROM TUTORIALMINES."); // case-insensitive comparison
?>Output of above code in the browser is as below:
0
strcasecmp() – PHP Functions Example 2 : It returns 0, if the two strings are equal. Case of character does not matter for it.
<?php
echo strcasecmp("Hi from tutorialmines.","hI FROM TUTORIALMINES.");
echo "<br/>";
echo strcasecmp("Hi from tutorialmines.","hI from Tutorialmines.");
?>Output of above code in the browser is as below:
0
0
0
strcasecmp() – PHP Functions Example 3 :
<?php
echo "String1 is equal to string2<br/>";
echo strcasecmp("Hi from tutorialmines.","hI FROM TUTORIALMINES.");
echo "<br/>String1 is greater than string2<br/>";
echo strcasecmp("Hi from tutorialmines.","hI Tutorialmines.");
echo "<br/>String1 is less than string2<br/>";
echo strcasecmp("Hi from tutorialmines.","hI FROM TUTORIALMINES from PHP section.");
?>Output of above code in the browser is as below:
String1 is equal to string2
0
String1 is greater than string2
-14
String1 is less than string2
14
0
String1 is greater than string2
-14
String1 is less than string2
14
