Compare two strings in PHP
Description
The following code shows how to compare two strings.
Example
// w w w .ja v a2s . c om
<?php
echo substr_compare("Hello world","Hello world",0);
//Compare two strings, when start position in string1 for the comparison is 6th
echo substr_compare("Hello world","world",6);
//Using all parameters:
echo substr_compare("world","or",1,2);
echo substr_compare("world","ld",-2,2);
echo substr_compare("world","orl",1,2);
echo substr_compare("world","OR",1,2,TRUE);
echo substr_compare("world","or",1,3);
echo substr_compare("world","rl",1,2);
//Different return values:
echo substr_compare("Hello world!","Hello world!",0); // the two strings are equal
echo substr_compare("Hello world!","Hello",0); // string1 is greater than string2
echo substr_compare("Hello world!","Hello world! Hello!",0); // str1 is less than str2
?>
The code above generates the following result.