A php script for reading file 📂

read-file.php

<?php
$fh = fopen('domain-push-to-ehr.csv','r');
while($line = fgets($fh)){
	$string = trim(preg_replace('/\s\s+/', '', $line));
	$file = $string."_data.txt";
	if (filter_var("$string", FILTER_VALIDATE_IP)) {
		echo("$string is valid IP")
    continue;
	} else {
		echo("$string is not a valid IP address");
	}
}
fclose($fh);
?>