hudolejev

<input id="foo" type="text" value="javascript:disabled=true" /><br />
<input id="bar" type="text" value="javascript:readonly=true" /><br />
<input id="baz" type="text" value="javascript:readOnly=true" /><br />

<script type="text/javascript">
document.getElementById('foo').disabled = true;
document.getElementById('bar').readonly = true;
document.getElementById('baz').readOnly = true;
</script>

hudolejev

$ echo 'afoobarfoobar' > a.txt
$ echo 'xyzzyfoobarfoobarfoo' > b.txt

# Print all occurrences in all files
$ grep -o foo a.txt b.txt
a.txt:foo
a.txt:foo
b.txt:foo
b.txt:foo
b.txt:foo

hudolejev

// Usage: $dnsOk = check_dns('example.org', array('1.1.1.1', '2.2.2.2'));
function check_dns($domain, $ips) {
	$result = true;
	$dnsIps = array();

	$dns = dns_get_record($domain, DNS_A);
	foreach ($dns as $entry) {
		$dnsIps[] = $entry['ip'];
	}