How to do match exactly the content using PHP : I need one help.I need to match two string using PHP.I am explaining the scenario below.



    <?php
    
    $fistno="9937229853";
    $secondno="+919937229853";
    
    ?>

Here I need the value in `$fistno` is present in `$secondno` or not. If the value in `$fistno` is present in `$secondno` it will return true. In this case `9937229853` is present in `$secondno` so it should return true. Please help.