PHP/File Directory/ LINE

Echoing the line and file predefined constants

 
<?php
echo "Executing line " . __LINE__ . " of PHP script " . __FILE__ . ".";
?>

Using __FILE__ and __LINE__

 
<?php
    function report_error($file, $line, $message) {
        echo "An error occured in $file on line $line: $message.";
    }
    report_error(__FILE__,__LINE__, "Something went wrong!");
?>