X
HOME HTML5 CSS3 JAVASCRIPT SQL PHP5 JQUERY ANGULAR BOOTSTRAP3 XML MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

PHP strcmp() Function

PHP String Reference PHP String Reference

Example

Compare two strings (case-sensitive):

<?php
echo strcmp("Hello world!","Hello world!");
?>

Run example »

Definition and Usage

The strcmp() function compares two strings.

Note: The strcmp() function is binary-safe and case-sensitive.

Tip: This function is similar to the strncmp() function, with the difference that you can specify the number of characters from each string to be used in the comparison with strncmp().


Syntax

strcmp(string1,string2)

Parameter Description
string1 Required. Specifies the first string to compare
string2 Required. Specifies the second string to compare

Technical Details

Return Value: This function returns:
  • 0 - if the two strings are equal
  • <0 - if string1 is less than string2
  • >0 - if string1 is greater than string2
PHP Version: 4+


More Examples

Example 1

Compare two strings (case-sensitive = Hello and hELLo will not output the same):

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

Run example »

Example 2

Different return values:

<?php
echo strcmp("Hello world!","Hello world!"); // the two strings are equal
echo strcmp("Hello world!","Hello"); // string1 is greater than string2
echo strcmp("Hello world!","Hello world! Hello!"); // string1 is less than string2
?>

Run example »


PHP String Reference PHP String Reference

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates

SHARE THIS PAGE

facebook