Gists - PHP

On gists

PHP - sleep, outputbuffer (fake loading)

29.11.2019

PHP

sleep.php #

<?php

if (ob_get_level() == 0) ob_start();

for ($i = 0; $i<10; $i++){

        echo "<br> $i Line to show.";
        echo str_pad('',4096)."\n";   

        ob_flush();
        flush();
        sleep(1);
}

echo "<br> Done.";

ob_end_flush();

On gists

Csv to UTF-8

26.11.2019

PHP

csv.php #

<?php

	$csv = file_get_contents(INDEX_DIR . '/../temp/slozky-csv.csv');
	$csv = iconv("windows-1250//TRANSLIT//IGNORE", 'utf-8', $csv);
	$csv = explode("\n", $csv);

On gists

Recursive array walk with replace

22.11.2019

PHP

recursive.php #

<?php

	protected function parseQueryData(&$array, $data) 
	{
		array_walk_recursive($array, function(&$item, $key) use ($data) 
		{
			if(substr($item, 0, 1) == '%') 
			{
				$item = $data[substr($item, 1)];
			}
		});
	}

On gists

Parsing og tags

1.11.2019

PHP PHP-PHPDOM

parser.php #

<?php 


function autoUTF($s)
{
    if (preg_match('#[\x80-\x{1FF}\x{2000}-\x{3FFF}]#u', $s)) // detect UTF-8
    {
        return $s;
    }
    elseif (preg_match('#[\x7F-\x9F\xBC]#', $s)) // detect WINDOWS-1250
    {
        return iconv('WINDOWS-1250', 'UTF-8', $s);
    }
    else // assume ISO-8859-2
    {
        return iconv('ISO-8859-2', 'UTF-8', $s);
    }
}
 

$url = 'https://navratdoreality.cz/uzdraveny-fotbalista-8853.html';

$html = file_get_contents($url);

libxml_use_internal_errors(true); // Yeah if you are so worried about using @ with warnings
$doc = new DomDocument();
$doc->loadHTML($html);
$xpath = new DOMXPath($doc);
$query = '//*/meta[starts-with(@property, \'og:\')]';
$metas = $xpath->query($query);
$rmetas = array();
foreach ($metas as $meta) {
    $property = $meta->getAttribute('property');
    $content = $meta->getAttribute('content');
    $rmetas[$property] = html_entity_decode(autoUTF($content));
}
var_dump($rmetas);



// $pattern='/<\s*meta\s+property="og:([^"]+)"\s+content="([^"]*)/i';
// preg_match_all($pattern, $html, $out);
// var_dump(array_combine($out[1], $out[2]));

On gists

Array multisort

31.10.2019

PHP

example1.php #

<?php


$hodnoty = array(
                
                "baku" => array(3, 4, 7),
                "kcko" => array(2, 5, 7),
                "guest" => array(1, 2, 2)
                );

$data = array();

foreach ($hodnoty as $pole => $k)
 {
   $counter = 0;
   foreach ($k as $i)
    {
      $counter++;
      //echo "$pole - $i [$counter] <br />";
      $data[$pole]["komentar" . $counter] = $i;
      if ($counter ==3 )
       {
        $data[$pole]["komentarCelkem"] = array_sum($hodnoty[$pole]);
       }
    }
 }


print_r($data);

$dataSort = valuesToColumns($data); 

 array_multisort(
                 
                 $dataSort["komentarCelkem"], SORT_NUMERIC, SORT_DESC,
                 $dataSort["komentar1"], SORT_NUMERIC, SORT_DESC,
                 $dataSort["komentar2"], SORT_NUMERIC, SORT_DESC,
                 $dataSort["komentar3"], SORT_NUMERIC, SORT_DESC
                 
                 );



print_r($dataSort);

$tab = "<table border=1>";
$tab .= "<tr><th>Nick</th> <th>Komentář Celkem</th> <th>Komentář 1</th> <th>Komentář 2</th> <th>Komentář 3</th> </tr>";

foreach ($dataSort["komentar1"] as $K => $V)
{
 
 $tab .= "<tr>";
 $tab .= "<td>$K</td>";
 $tab .= "<td>". $data[$K]["komentarCelkem"] ."</td>";
 $tab .= "<td>". $data[$K]["komentar1"] ."</td>";
 $tab .= "<td>". $data[$K]["komentar2"] ."</td>";
 $tab .= "<td>". $data[$K]["komentar3"] ."</td>";
 $tab .= "</tr>";
 
}
$tab .= "</table>";


echo $tab;




function valuesToColumns($array_to_sort)
{

   $sort_arr = array();
   foreach($array_to_sort AS $uniqid => $row)
   {
       foreach($row AS $key=>$value){
           $sort_arr[$key][$uniqid] = $value;
       }
   }
   
   return $sort_arr;

}

?>

On gists

Toyota (php reference)

31.10.2019

1oldies PHP

store.php #

<?php

class Store
{
  function Store($db)
  {
    $this->db = &$db;
    $this->lang = 'cz';
    $this->itemsOff();
    
    $this->cars = array(
                       "toyota" => 1,
                       "lexus" => 2,
                       "scion" => 3,
                       "daihatsu" => 4
                     );
    
  }
 
 
 // definuje IDcka kategorii
 function itemsOff()
 {
  // bazar 49, 63, 77, 91
  // demo 48, 62, 76, 90
   $this->itemOff = array( 
                           "bazar" => array (49, 63, 77, 91),
                           "demo" => array (48, 62, 76, 90)
                         );
 }
 
 
 /**
  * Prida polozku do pole
  */   
 function addItemToArray(& $array, $key, $value)
 {
   if ($key != 0)
     $array[$key] = $value;
   else
     $array[] = $value;  
 }
 
 // vypise sklad podle typu auta a kategorie
 // sekce demo ma navic Najeto
 // sekce bazar navic Najeto + Rok vyroby
 function dump($car, $cat)
 {
   $sql  = " SELECT * FROM sklad WHERE auto = ".$this->cars[$car];
   $sql .= " AND kategorie = $cat ";
   $sql .= " AND aktivni = 'ano' ";
   $sql .= " ORDER BY ID DESC ";
   
   $sql = $this->db->query($sql);
   
   if ($this->db->numRows($sql))
   {
   
   
   echo "<table style='border: 1px solid black; margin: 0 auto; width: 850px; border-collapse: collapse;'>";
   $this->thNames = array(1 => "Foto", 2 => "Model", 3=> "Barva", 4 => "Motor");
   
   // zapinam polozku pro demo
    if (in_array($_GET["pid"], $this->itemOff["demo"]))
     { 
       $this->addItemToArray($this->thNames, 5, "Najeto");
     }
    // zapinam polozku pro bazar  
    if (in_array($_GET["pid"], $this->itemOff["bazar"]))
     { 
       $this->addItemToArray($this->thNames, 5, "Rok výroby");
       $this->addItemToArray($this->thNames, 6, "Najeto");
     }  
     
     // Cena
    $this->addItemToArray($this->thNames, 0,  "Cena");
   
   
   // cena je az na konci
   
   echo "<tr>";
   foreach ($this->thNames as $v)
    {
     echo "<th style='text-align: left; padding: 5px;'>".$v."</th>";
    }
   echo "</tr>";
   while ($r = $this->db->fetch($sql))
    {
    
    $this->tdNames = array(
                         1 => "<a href='./images/sklad/foto_popup_{$r->ID}_thumb.jpg' rel=\"lightbox\"><img src='./images/sklad/foto_thumb_{$r->ID}_thumb.jpg' /></a>", 
                         2 => $r->model,
                         3 => $r->barva,
                         4 => $r->motor
                          );


      // zapinam polozku pro demo
    if (in_array($_GET["pid"], $this->itemOff["demo"]))
     { 
       $this->addItemToArray($this->tdNames, 5, $r->najeto);
     }
    // zapinam polozku pro bazar  
    if (in_array($_GET["pid"], $this->itemOff["bazar"]))
     { 
       $this->addItemToArray($this->tdNames, 5, $r->rok_vyroby);
       $this->addItemToArray($this->tdNames, 6, number_format($r->najeto, 0, "", ".") . " Km");
     }  
     
     // Cena
     //number_format($number, 2, ',', ' ');
    $this->addItemToArray($this->tdNames, 0,  number_format($r->cena, 0, "", ".") . " Kč");

      echo "<tr>";

          foreach ($this->tdNames as $v)
          {
            echo "<td style='text-align: left; border-bottom: 1px dotted black; padding: 5px'>".$v."</td>";
          }
          echo "</tr>";
      
    } 
    echo "</table><br />";
  }
 }
 
 
  
} // class
?>

On gists

Find in array - recursive

30.10.2019

PHP

find-in-array.php #

<?php


$arr = [
    'name' => 'Php Master',
    'subject' => 'Php',
    'type' => 'Articles',
    'items' => [
        'one' => 'Iteration',
        'two' => 'Recursion',
        'methods' => [
            'factorial' => 'Recursion',
            'fibonacci' => 'Recursion',
        ],
    ],
    'parent' => 'Sitepoint',
];



echo find_in_arr('one', $arr, 'devka');


print_r($arr);


function find_in_arr($key,  &$arr, $replace) {
    foreach ($arr as $k => &$v) {
        if ($k == $key) {
			$arr[$k] = $replace;
            return $v;
        }
        if (is_array($v)) {
            $result = find_in_arr($key, $v, $replace);
            if ($result != false) {
                return $result;
            }
        }
    }	
    return false;
}

On gists

PHP Factory

25.9.2019

PHP

factory.php #

<?php 
 

$arr = [
    'company' => 'AMI',
    'employeeCount' => 25,
    'years' => 12,
    'bankInfo' => [
        'account' => 'xxxx',
        'money' => '2 billions'
    ]
];


echo F::create()->getResource($arr)->formatToXml();

class F
{
    private $resource;

    public static function create()
    {
        return new self;
    }

    public function getResource($resource)
    {
        $this->resource = $resource;
        return $this;
    }

    public function formatToJson()
    {
        return json_encode($this->resource);
    }

    public function formatToArray()
    {
        return $this->resource;
    }

    public function formatToXml()
    {
        $xml = new SimpleXMLElement('<root/>');
        array_walk_recursive($this->resource, array ($xml, 'addChild'));
        return $xml->asXML();
    }


}

On gists

Foreach vs array_reduce

3.5.2019 • 29.2.2024 (aktualizováno)

PHP

gistfile1.aw #

<?php

$arr = array(
	array('a', '1'),
	array('b', '2'),
);


// klasicky
$out = array();
foreach ($arr as $v) {
	$out[$v[0]] = $v[1];
}

// funkcionalne
$out2 = array_reduce($arr, function($out2, $v) {
	$out2[$v[0]] = $v[1];
	return $out2;
});

echo ($out === $out2) . "\n";
print_r($out);
print_r($out2);

/* vystup:

1
Array
(
    [a] => 1
    [b] => 2
)
Array
(
    [a] => 1
    [b] => 2
)

*/

On gists

Zyla simple parser

27.3.2019

PHP

parser.php #

<?php

$x = file_get_contents($file);

$final = preg_match("~<tr[^>]*>(.+)</tr>~si", $x, $match);

$lastTr = strpos($match[0], '</tr>');
$match[0] = substr($match[0], $lastTr + 8,  strlen($match[0]));


file_put_contents("frag.txt", $match[0]);

$f = fopen("frag.txt", "r");

$cols = array("kolo", "datum", "cas", "domaci", "hoste", "skore", "strelci_karty");

//$in_td = false;
$rows = array();

while (!feof($f))
{
   $r = fgets($f);
   # preskocit prazdne radky
   if ( trim($r) != '' )
   {
      if (strpos($r, '<tr') !== false)
      {
        // $in_td=true;
         $rows = array();
      }
      else
      {
         if (strpos($r, '</tr') !== false)
         {
            //$in_td = false;
            #zpracuju $rows

            if (count($rows) == 8)
            {
               #mam v prvni bunce kolo
               $kolo = array_shift($rows);
            }
            zapis_insert($kolo, $rows);
            //print_r($rows);

         }
         else
         {
            if (strpos($r, '<td') !== false)
            {
               $t = preg_replace('/<[^>]*>/', '', trim($r));
               $rows[] = $t;
            }
         }
      }
   }
}