strncasecmp

Binary safe comparison of several characters at the beginning of a string (case insensitive)

Name:strncasecmp

Category:String

Programming Language:php

One-line Description:Comparison of strings for the first n characters (case insensitive).

Definition and usage

strncasecmp() function compares two strings.

Note: strncasecmp() is binary-safe and is not case sensitive.

Tip: This function is similar to strcasecmp() function. The difference is that strcasecmp() does not have a length parameter.

Compare two strings (case insensitive):

 <?php
echo strncasecmp ( "I love China!" , "I love Shanghai!" , 6 ) ;
?>

Try it yourself

Compare two strings (case insensitive, China and CHINA output the same):

 <?php
echo strncasecmp ( "China" , "China" , 6 ) ;
echo "<br>" ;
echo strncasecmp ( "China" , "CHINA" , 6 ) ;
?>

Try it yourself

 strncasecmp ( string1 ,
string2 , length )

parameter	describe
string1	Required. Specifies the first string to be compared.
string2	Required. Specifies the second string to be compared.
length	Required. Specifies the number of characters each string uses for comparison.

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