PHP strnatcasecmp() Function

The strnatcasecmp() function is in-built function of PHP. It is used to compare two strings using a "natural order" algorithm. This function accepts two string as parameter and return integer value. It is similar to strnatcmp() function.

Note: This function strnatcasecmp() is case-insensitive.

Syntax:

Example 1

Output:

Your string is: Hello world! Hello world!
By using 'strnatcasecmp()' function: 0

Example 2

Output:

Your string is: 2Hello world!10Hello WORLD!
By using 'strnatcasecmp()' function: -1

Example 3

Output:

Your string is: 10Hello world!2Hello WORLD!
By using 'strnatcasecmp()' function: 1

See Also

• trim() : It is used to remove whitespace.
• ltrim() : It is used to remove whitespace from the left side of a string.
• rtrim() : It is used to remove whitespace from the right side of a string.

Reference:

http://php.net/manual/en/function.strnatcasecmp.php