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PHP strcasecmp() Function

PHP strcasecmp() function is used to compare two given strings. It is case-insensitive and binary-safe. It is similar to PHP strncasecmp() function but it specify the number of characters to be used from each string for the comparison.

Syntax:

  strcasecmp($string1, $string2);

Parameter Values

Parameter	Description
string1	This is a required parameter. This parameter contains the first string to compare.
string2	This is a required parameter. This parameter contains the second string to compare.

Here is an example of strcasecmp() function in PHP:

<html>
<body>

<?php
$str1 = "PHPTPOINT";
$str2 = "PhpTpoint";

echo strcasecmp($str1,$str2);    //return value 0 means both string are same
?>
 
</body>
</html>

Output:
0

Here is an example of strcasecmp() function in PHP:

<html>
<body>

<?php
$str1 = "Hello Everyone..";
$str2 = "Hello Everyone.. I am Jerry.";

echo strcasecmp($str1,"hElLo evErYoNE..")."<br>"; // Both strings are equal
echo strcasecmp($str2,$str1)."<br>"; // 1st string is greater than 2nd
echo strcasecmp($str1,$str2)."<br>"; // 1st string is less than 2nd 
?>
 
</body>
</html>

Output:
0
12
-12

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