PHP Fiddle
Multibyte UCFirst
function mb_ucfirst($string)
{
return mb_strtoupper(mb_substr($string, 0, 1)).mb_strtolower(mb_substr($string, 1));
}
function find_closest_ip($my_ip, $ips) {
$my_ip = ip2long($my_ip);
$distances = array();
foreach ($ips as $ip) {
$distances[$ip] = ceil(log(($my_ip ^ ip2long($ip)) + 1, 2));
}
return array_search(min($distances), $distances);
}
function check_email($email) {
$atom = '[-a-z0-9!#$%&\'*+/=?^_`{|}~]'; // znaky tvořící uživatelské jméno
$domain = '[a-z0-9]([-a-z0-9]{0,61}[a-z0-9])'; // jedna komponenta domény
return eregi("^$atom+(\\.$atom+)*@($domain?\\.)+$domain\$", $email);
}
Number with leading zeros
Import XML
$xmlendpoint = 'http://blabla/endpoint';
setlocale(LC_NUMERIC, 'C');
$file = file_get_contents($xmlendpoint, false);
$xml = new SimpleXMLElement($file);
foreach ($xml->neco as $neco) {
sql("INSERT INTO neco VALUES ('".$neco->typ."','".$neco->evcj."','".$neco->popis."')");
}
Sort Array by key
foreach($xml->sap as $id) {
$znakSort[] = $id->znak;
}
array_multisort($znakSort, SORT_ASC, SORT_STRING, $xml->sap);