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, $xml->sap);
function filterinput($string)
{
preg_match_all("/[\@\\.\s\w\p{L}\p{N}\p{Pd}]/u", $string, $result);
return implode('', $result[0]);
}
Compile PHP to Windows EXE
Insert image to HTML
function getDataURI($imagePath) {
$finfo = new finfo(FILEINFO_MIME_TYPE);
$type = $finfo->file($imagePath);
return 'data:'.$type.';base64,'.base64_encode(file_get_contents($imagePath));
}
//Use the above function like below:
echo '<img src="'.getDataURI('./images/my-file.svg').'" alt="">';
echo '<img src="'.getDataURI('./images/my-file.png').'" alt="">';
cURL fetch IMAP
$ch = curl_init();
if($ch) {
/* Set username and password */
curl_setopt($ch, CURLOPT_USERNAME, "user");
curl_setopt($ch, CURLOPT_PASSWORD, "secret");
/* This will fetch message 1 from the user's inbox */
curl_setopt($ch, CURLOPT_URL, "imap://imap.example.com/INBOX/;UID=1");
$proxy = '127.0.0.1:8888';
//$proxyauth = 'user:password';
curl_setopt($ch, CURLOPT_PROXY, $proxy);
//curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyauth);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
/* Perform the fetch */
$res = curl_exec($ch);
/* Always cleanup */
curl_close($ch);
}
Hello World
<?php
class Greeting {
public function sayHello($to)
{
echo "Hello $to";
}
}
$greeter = new Greeting();
$greeter->sayHello("World");
?>
WGS84 DMS to DD converter
<?php
/**
* Converts WGS84 coordinates from Degrees, Minutes, Seconds (DMS) format
* to Decimal Degrees (DD) format.
*
* @param string $dms Latitude or longitude in DMS format (e.g., "49°44'55.23\"N", "15°33'12.87\"E").
* @return float|null Decimal degrees, or null if the input format is invalid.
*/
function dmsToDd(string $dms): ?float
{
// Regular expression to parse DMS format
$pattern = '/^(\d+)°(\d+)\'([\d.]+)"([NSEW])$/i';
if (preg_match($pattern, $dms, $matches)) {
$degrees = intval($matches[1]);
$minutes = intval($matches[2]);
$seconds = floatval($matches[3]);
$direction = strtoupper($matches[4]);
$dd = $degrees + $minutes / 60 + $seconds / 3600;
// Adjust sign based on direction
if ($direction === "S" || $direction === "W") {
$dd *= -1;
}
return $dd;
} else {
return null; // Invalid format
}
}
$source = "49°26'07.78\"N,12°52'01.14\"E";
$source = explode("\n", $source);
$i = 0;
while ($source[$i]) {
$xy = explode(",", $source[$i]);
echo dmsToDd($xy[0]) . ";" . dmsToDd($xy[1]) . "\n";
$i++;
}
Enable ZEND opcache
zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20131226/opcache.so
opcache.enable=1
opcache.memory_consumption=128
opcache.max_accelerated_files=10000
opcache.revalidate_freq=120
opcache.fast_shutdown=1
opcache.enable_cli=0
opcache.save_comments=1
opcache.load_comments=0
opcache.enable_file_override=1