Noderīgas funkcijas

function laikaParveide($s) { //Padodam UNIX timestampu
if(strtotime('today') < $s) {
	if(date('H', $s) >= 12 && date('H', $s) <= 17) {
		return 'Šodien '.date('H:i', $s);
	}
	elseif(date('H', $s) >= 18 && date('H', $s) <= 23) {
		return 'Šovakar '.date('H:i', $s);
	}
	elseif(date('H', $s) >= 00 && date('H', $s) <= 04) {
		return 'Šonakt '.date('H:i', $s);
	}
	elseif(date('H', $s) >= 05 && date('H', $s) <= 11) {
		return 'Šorīt '.date('H:i', $s);
	}
}
elseif((strtotime('today') - 86400) < $s) {
	return 'Vakardien '.date('H:i', $s);
}
elseif((strtotime('today') - 172800) < $s) {
	return 'Aizvakar '.date('H:i', $s);
}
else {
	$menesis=array('01'=>'jan', '02'=>'feb', '03'=>'mar', '04'=>'apr', '05'=>'mai', '06'=>'jūn', '07'=>'jūl', '08'=>'aug', '09'=>'sep', '10'=>'okt', '11'=>'nov', '12'=>'dec');
	return date('j', $s).'. '.$menesis[date('m', $s)].(date('Y') > date('Y', $s) ? ' '.date('Y', $s) : '').' '.date('H:i', $s);
}
}

briedis · January 17, 2010

Pārvērš naudu vārdos

$money - float skaitlis

$currency - "LVL" vai "EUR"

$lang - "ru" vai "lv"

$separator - (kas atdala latus no santīmiem)

Ierobežojumi

Pārvērš robežās no 1.00 līdz 99.99

	function getMoneyInWords($money,$currency="LVL",$lang="lv",$separator=","){
	$tens['lv'] = array("Desmit","Divdesmit","Trīsdesmit","Četrdesmit","Piecdesmit","Sešdesmit","Septiņdesmit","Astoņdesmit", "Deviņdesmit");
	$teens['lv'] = array("Vienpadsmit","Divpadsmit","Trīspadsmit","Četrpadsmit","Piecpadsmit","Sešpadsmit","Septiņpadsmit","Astoņpadsmit", "Deviņpadsmit");
	$ones['lv'] = array("Viens","Divi","Trīs","Četri","Pieci","Seši","Septiņi","Astoņi", "Deviņi");

	$tens['ru'] = array("Десять","Двадцать","Тридцать","Сорок","Пятьдесят","Шестьдесят","Семьдесят","Восемьдесят","Девяносто");
	$teens['ru'] = array("Одиннадцать","Двенадцать","Тринадцать","Четырнадцать","Пятнадцать","Шестнадцать","Семнадцать","Восемнадцать", "Девятнадцать");
	$ones['ru'] = array("Один","Два","Три","Четыри","Пять","Шесть","Семь","Восемь", "Девять");

	$money_type['lv']['LVL']['santimi'] = "santīmi";
	$money_type['lv']['LVL']['lati'] = "lati";
	$money_type['lv']['LVL']['lats'] = "lats";
	$money_type['lv']['EUR']['centi'] = "centi";
	$money_type['lv']['EUR']['eiro'] = "eiro";

	$money_type['ru']['LVL']['santimi'] = "сантимов";
	$money_type['ru']['LVL']['lati'] = "латов";
	$money_type['ru']['LVL']['lats'] = "лат";		
	$money_type['ru']['EUR']['centi'] = "цента";
	$money_type['ru']['EUR']['eiro'] = "Евро";


	$ready = ""; //Gatavā virkne
	$one = false; //ja true: lats; false: lati

	list($large,$small) = explode($separator,$money);
	$large = (int)$large; //Veselās naudas, piem. eiro, lati

	if($large > 9){
		if($large > 10 && $large < 20){
			$ready = $teens[$lang][$large-11];
		}else{
			$first = substr($large,0,1);
			$second = substr($large,1,1);

			$ready = $tens[$lang][$first-1];
			if($second){
				$ready .= " " . mb_strtolower($ones[$lang][$second-1],"UTF-8");
				if($second == 1){
					$one = true;
				}
			}
		}
	}else{
		$ready = $ones[$lang][$large-1];
		if($large == 1){
			$one = true;
		}
	}

	if($currency == "EUR"){
		$ready .= " {$money_type[$lang][$currency]['eiro']}, $small {$money_type[$lang][$currency]['centi']}";
	}else{
		$ready .= " " . ($one ? $money_type[$lang][$currency]['lats'] : $money_type[$lang][$currency]['lati']) . ", $small {$money_type[$lang][$currency]['santimi']}";
	}

	return $ready;
}

Edited January 17, 2010 by briedis

briedis · January 18, 2010

Samazina attēlu, lai iekļautos norādītajos izmēros.

Pārraksta samazināto pa virsu orģinālajam.

	function imageResize($path,$max_width=300,$max_height=400){
	if(!file_exists($path)){
		return false;
	}

	$max_height = (int)$max_height;
	$max_width = (int)$max_width;

	$src_img = imagecreatefromjpeg($path);

	$x = imagesx($src_img);
	$y = imagesy($src_img);

	if(($x >= $y) && ($x > $max_width)){
		$picsize = $max_width; 
		$new_w = imagesx($src_img);
		$new_h = imagesy($src_img);
		$aspect_ratio = $new_h / $new_w;
		$new_w = $picsize;
		$new_h = abs($new_w * $aspect_ratio);
	}

	if(($y > $x) && ($y > $max_height)){
		$picsize = $max_height; 
		$new_w = imagesx($src_img);
		$new_h = imagesy($src_img);
		$aspect_ratio = $new_w / $new_h;
		$new_h = $picsize;
		$new_w = abs($new_h * $aspect_ratio);
	}

	$dst_img = imagecreatetruecolor($new_w,$new_h);
	imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
	return imagejpeg($dst_img, $path, 80);
}

Edited January 18, 2010 by briedis

Pentiums · January 18, 2010

Nezinu cik šis ir pilnīgs, bet.. Pārbauda vai strings nav tukšs un nesatur tikai atstarpes

function navTukss($s) {
if(!empty($s)) {
	$s = trim($s);
	if(!empty($s)) {
		return true;
	}
	else {
		return false;
	}
}
else {
	return false;
}
}

briedis · January 18, 2010

1. funkcija - iegūst faila paplašinājumu

2. funkcija - pārbauda, vai fails ir attēls (tikai pēc paplašinājuma, kā jau mēs zinām, mime tips arī nav 100% drošs avots :))

	//Iegūstam faila paplašinājumu
function getFileExtension($file_name){
	$info = pathinfo($file_name);
	return $info['extension'];
}

//Pārbaudam, vai fails ir attēls
function isImage($file_name){
	switch(getFileExtension($file_name)){
		case "jpg" : return true;
		case "jpeg" : return true;
		case "gif" : return true;
		case "png" : return true;
		case "bmp" : return true;
	}
	return false;
}

briedis · January 18, 2010

Tā kā twittera API ir dažādi ierobežojumi uz pieprasījumu skaitu, vērtīgāk ir JSON datus iekešot lokāli (uzlabosies arī pieprasījuma ātrums), un atjaunot tikai reizi 5 minūtēs (vai līdz pirmajam apmeklētājam).

<?
function updateTwitter(){
	$path = "js/twitter.json"; //Vieta, kur glabājas JSON dati
	$username = "username"; //Lietotājvārds
	$entry_count = 6; //Atgriežamo ierakstu skaits
	$update_interval = 300; // 5 minūtes

	$url = "http://twitter.com/statuses/user_timeline/$username.json?callback=twitterCallback2&count=$entry_count";
	$stat = stat($path);
	$last_mod = (int)$stat[9];
	$delta_mins = time() - $last_mod;
	if($delta_mins > $update_interval){
		if($json_data = @file_get_contents($url)){ //Suppress warnings, ja neizdodas dabūt datus
			file_put_contents($path,$json_data);
		}else{
			touch($path);//Pabakstam failu, lai nav jāmēģina atkal, ja neizdevās dabūt datus
		}
	}	
}
?>

Edited January 18, 2010 by briedis

2easy · January 18, 2010

Nezinu cik šis ir pilnīgs, bet.. Pārbauda vai strings nav tukšs un nesatur tikai atstarpes

tā funkcija tiešām ir pilnīga tādā šī vārda nozīmē kā "resna/korpulenta/uzblīdusi" jeb angliski bloated :P

omg, kā tā var rakstīt!

if(!empty($s)) {
return true;
}
else {
return false;
}

ja jau empty() izdod bool, tad to var uzreiz lietot

return !empty($s);

ja vajag pārbaudīt tikai stringu

function hasStr($s) {return trim($s) != '';}

14x rindiņas vs 1x rindiņa ;) feel the difference?

bet ja vajag vispārīgāku pārbaudi uz dažādiem datu tipiem, tad arī to var izdarīt ar 1x statement

function hasVal($v) {return (bool) (is_string($v) ? trim($v) : $v);}  // has value - checks if $v has value

pieņemsim, ka šī ir mana funkcija šim topikam ;)

test it...

foreach (array(null, true, false, 0, 123, '', ' ', 'asdf', array()) as $v) echo (hasVal($v) ? 'true' : 'false') . '<br />';
/*
false
true
false
false
true
false
false
true
false
*/

vsp par tādiem nosaukumiem kā "navTukss()" - tas ir kkādā lv mentalitātes stilā 4erez noliegumu noliegšanu. imho, labāk definēt daudzmaz konstruktīvi "irVertiba()" vai "navVertiba()" (choose atkarībā no biežākā usage)

rausis · January 18, 2010

1. pārvērš baitus normālos lielumos

2. izveido SEO stringu

function mksize($bytes) {
   $symbol = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
   $exp = $converted_value = 0;
   if ($bytes > 0) {
       $exp = floor(log($bytes) / log(1024));
       $converted_value = $bytes / pow(1024, floor($exp));
   }
   return sprintf('%.2f '.$symbol[$exp], $converted_value);
}

function seo_string($str, $separator = '-') {
   setlocale(LC_ALL, 'en_US.UTF8');
   return str_replace(' ', $separator, trim(preg_replace('/[^ A-Za-z0-9_]/', ' ', trim(iconv('UTF-8', 'ASCII//TRANSLIT', preg_replace('/[ -]+/', '-', $str))))));
}

Edited January 18, 2010 by rausis

Kavacky · January 18, 2010

Šitā dažkārt ir bijusi reāli useful:

// (:
function doNothing()
{
return 1;
}

Nopietni.

briedis · January 18, 2010

Kavacky, ja tā, tad lūdzu pielietojuma piemērus studijā! :)

Edited January 18, 2010 by briedis

codez · January 18, 2010

Rekursīva funkcija, lai arī N reizes var neko nedarīt.

function doNothing($i){
 return $i==1?1:doNothing($i-1);
}

foxsk8 · January 19, 2010

SEO title funkcija.

http://paste.php.lv/38be3112138193590d7e0428b7f2b52b?lang=php

$seotitle = $row['title'];
$seotitle = teksts_uz_url($seotitle, $l = 'lv');

.htaccess
RewriteRule ^offer/([^/\.]+)/([^/\.]+)/$ ads_item.php?id=$1&title=$2 [L]

2easy · January 19, 2010

es zinu, kur Kavacky lieto to funkciju. droši vien noder, kodējot valsts pasūtījumus ;)

// (:
function doNothing()
{
return 1;
}

class Valsts {
private $budzets, $aizdevums;
function __construct($budzets) {
	$this->budzets = $budzets;
}
public function ievaktNodoklus() {  // noslaukt tautu...
	@nodoklisParGaisaElposhanuUnParvietoshanos();
	@kaaAriCinamiesArProblemamApliekotTasArNodokliem();  // ;)
}
public function izpilditValstsFunkcijas() {  // infrastruktūras izveidošana/uzturēšana, efektīvas preču/pakalpojumu ražošanas veicināšana, izglītība, medicīna, policija, ugunsdzeseji, kultūra, ...
	if (rand(0, 9)) {  // piekāst nodokļu maksātājus
		if (rand(0, 1)) {
			doNothing(); // <--------------------------- šeit!!! :D:D:D
		}
		else {
			while ($this->budzets > 0) {
				$this->iekamptPriekshSavasPartijas();
			}
			$this->aiznemtiesNoStarptautiskajiemAizdevejiem(7000000000);
			while ($this->aizdevums > 0) {
				$this->iekamptPriekshSavasPartijas();
			}
		}
	}
	else {  // 10% varbūt tiek iztērēti arī kkam noderīgam
		@doSomethingUseful();
	}
}
private function iekamptPriekshSavasPartijas() {
	if ($this->budzets > 0) {
		$this->budzets -= 100000000;
	}
	elseif ($this->aizdevums > 0) {
		$this->aizdevums -= 100000000;
	}
}
private function aiznemtiesNoStarptautiskajiemAizdevejiem($kreditaSumma) {
	$this->aizdevums = $kreditaSumma;
}
}

$lv = new Valsts(4000000000);
$lv->ievaktNodoklus();
$lv->izpilditValstsFunkcijas();

Val · January 19, 2010

vēl viens SEO title veids

function seo_string($string, $len = 10, $seperator = '-') {
$string = str_replace(array("ş", "Ş", "Ţ", "ţ", "ă", "î", "â"), array("s", "s", "t", "t", "a", "i", "a"), $string);  //RO translit
$string = str_replace(array("ā","č", "ē", "ģ", "ķ", "ļ", "ī", "ū", "š", "ņ", "ž"), array("a", "c", "e", "g", "k", "l", "i", "u", "s", "n", "z"), $string); //LV translit
$string = str_replace(array("Ā","Č", "Ē", "Ģ", "Ķ", "Ļ", "Ī", "Ū", "Š", "Ņ", "Ž"), array("A", "C", "E", "G", "K", "L", "I", "U", "S", "N", "Z"), $string); //LV translit CAPS LOCK
$string = str_replace(array("Ё","Ж","Ч","Ш","Щ","Э","Ю","Я","ё","ж","ч","ш","щ","э","ю","я","А","Б","В","Г","Д","Е","З","И","Й","К","Л","М","Н","О","П","Р","С","Т","У","Ф","Х","Ц","Ы","а","б","в","г","д","е","з","и","й","к","л","м","н","о","п","р","с","т","у","ф","х","ц","ь","ы"),array("JO","ZH","CH","SH","SCH","JE","JY","JA","jo","zh","ch","sh","sch","je","jy","ja","A","B","V","G","D","E","Z","I","J","K","L","M","N","O","P","R","S","T","U","F","H","C","Y","a","b","v","g","d","e","z","i","j","k","l","m","n","o","p","r","s","t","u","f","h","c","'","y"), $string); //RU translit
$string = strtolower($string);
$string = trim($string);
$string = trim(@ereg_replace("[^ A-Za-z0-9_]", " ", $string));
#$string = ereg_replace("[ tnr]+", "-", $string);
$string = str_replace(" ", $seperator, $string);
$string = @ereg_replace("[ -]+", "-", $string);

$t = explode($seperator, $string);
if(count($t)>$len) {
	$out = array_slice($t, 0, $len);
	$string = implode($seperator, $out);
};
return $string;
};

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