How to compare strings in php without case sensitivity

How to compare strings in PHP without case sensitivity: You can use the built-in function strncasecmp() to compare. If the function returns 0, it means the two strings are equal. If the return value is less than 0, it means string1 is less than string2.

strncasecmp() function compares two strings (not case sensitive).

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Syntax:

strncasecmp(string1,string2,length)

Parameters:

• string1 Required. Specifies the first string to compare.

• #string2 Required. Specifies the second string to be compared.​

• #length Required. Specifies the number of characters per string used for comparison.

Return value:

• 0 - If the two strings are equal

• <0 - If string1 is less than string2

• >0 - If string1 is greater than string2

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Example:

<?php
echo strncasecmp("Hello","Hello",6);
echo "<br>";
echo strncasecmp("Hello","hELLo",6);
?>

Output:

0
0

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