php compare three strings code example

Example 1: php compare string

<?php
$var1 = "Hello";
$var2 = "hello";
if (strcmp($var1, $var2) !== 0) {
    echo '$var1 is not equal to $var2 in a case sensitive string comparison';
}
?>

Example 2: string compare in php

//In php to compare two string we can use strcmp() function
Syntax
strcmp(string1,string2);

//If both string is same then it will return 0
<?php
echo strcmp("Hello world!","Hello world!");
?>