Gists - PHP

On gists

ArrayToObject / ObjectToArray

21.3.2018

PHP Helpers-Filters-Plugins

object-to-array-vice-versa.php #

<?php

function objectToArray($d) {
		if (is_object($d)) {
			// Gets the properties of the given object
			// with get_object_vars function
			$d = get_object_vars($d);
		}
 
		if (is_array($d)) {
			/*
			* Return array converted to object
			* Using __FUNCTION__ (Magic constant)
			* for recursive call
			*/
			return array_map(__FUNCTION__, $d);
		}
		else {
			// Return array
			return $d;
		}
	}
 
 
 
 	function arrayToObject($d) {
		if (is_array($d)) {
			/*
			* Return array converted to object
			* Using __FUNCTION__ (Magic constant)
			* for recursive call
			*/
			return (object) array_map(__FUNCTION__, $d);
		}
		else {
			// Return object
			return $d;
		}
	}

On gists

CURL - functions

10.2.2018 • 13.3.2018 (aktualizováno)

PHP Helpers-Filters-Plugins

CURL.php #

function curl_file_get_contents($url) 
{	
	 $c = curl_init(); // iniciuje práci s curl
	 curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
	 curl_setopt($c, CURLOPT_URL, $url);
	 $contents = curl_exec($c);
	 curl_close($c); 
 
	 return $contents;
 }


function better_curl($url)
{
	
  $curl = curl_init();
 
  $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
  $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
  $header[] = "Cache-Control: max-age=0";
  $header[] = "Connection: keep-alive";
  $header[] = "Keep-Alive: 300";
  $header[] = "Accept-Charset: ISO-8859-1,utf-8,utf-16;q=0.7,*;q=0.7";
  $header[] = "Accept-Language: en-us,en;q=0.5";
  $header[] = "Pragma: "; // browsers keep this blank.
 
  curl_setopt($curl, CURLOPT_URL, $url);
  curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.1) Gecko/20061223 Firefox/2.0.0.1');
//  curl_setopt($curl, CURLOPT_USERAGENT, 'Googlebot/2.1 (+http://www.google.com/bot.html)');
  curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
//  curl_setopt($curl, CURLOPT_REFERER, 'http://www.google.com');
  curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
  curl_setopt($curl, CURLOPT_AUTOREFERER, true);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($curl, CURLOPT_TIMEOUT, 10);
 
  $html = curl_exec($curl); // execute the curl command
  curl_close($curl); // close the connection
 
  return $html; // and finally, return $html
}

On gists

Recursive dir delete

14.11.2017

PHP Helpers-Filters-Plugins

recursive-delete-dir.php #

<?php

 function rrmdir($dir) { 
   if (is_dir($dir)) { 
     $objects = scandir($dir); 
     foreach ($objects as $object) { 
       if ($object != "." && $object != "..") { 
         if (is_dir($dir."/".$object))
           rrmdir($dir."/".$object);
         else
           unlink($dir."/".$object); 
       } 
     }
     rmdir($dir); 
   } 
 }

On gists

Wrap text into paragraphs

9.5.2017

PHP Helpers-Filters-Plugins

text-in-para.php #

<?php


$text = <<<TEXT
Morbi nisl tortor, consectetur vitae laoreet eu, lobortis id ipsum. Integer scelerisque blandit pulvinar. Nam tempus mi eget nunc laoreet venenatis. Proin viverra, erat at accumsan tincidunt, ante mi cursus elit, non

congue mauris dolor ac elit. Maecenas mollis nisl a sem semper ornare. Integer nunc purus, dapibus nec dignissim sed, dictum eget leo. Etiam in mi ut erat pretium fringilla sed
TEXT;

$paragraphedText = "<p>" . implode( "</p>\n\n<p>", preg_split( '/\n(?:\s*\n)+/', $text ) ) . "</p>";


echo $paragraphedText;

On gists

Function to recursively flatten multidimensional PHP array.

26.2.2017

PHP Helpers-Filters-Plugins

flatten.php #

<?php
// Requires PHP 5.3+
// Found here: http://stackoverflow.com/a/1320156

function flatten_array(array $array) {
    $flattened_array = array();
    array_walk_recursive($array, function($a) use (&$flattened_array) { $flattened_array[] = $a; });
    return $flattened_array;
}

On gists

czech sort in array

18.2.2017

PHP Helpers-Filters-Plugins

czech-sort.php #

<?php

function SortCzechChars($a, $b){
    static $czechCharsS = array('Á', 'Č', 'Ď', 'É', 'Ě' , 'Ch' , 'Í', 'Ň', 'Ó', 'Ř', 'Š', 'Ť', 'Ú', 'Ů' , 'Ý', 'Ž', 'á', 'č', 'ď', 'é', 'ě' , 'ch' , 'í', 'ň', 'ó', 'ř', 'š', 'ť', 'ú', 'ů' , 'ý', 'ž');
    static $czechCharsR = array('AZ','CZ','DZ','EZ','EZZ','HZZZ','IZ','NZ','OZ','RZ','SZ','TZ','UZ','UZZ','YZ','ZZ','az','cz','dz','ez','ezz','hzzz','iz','nz','oz','rz','sz','tz','uz','uzz','yz','zz');
 
    $A = str_replace($czechCharsS, $czechCharsR, $a);
    $B = str_replace($czechCharsS, $czechCharsR, $b);
 
    return strnatcasecmp($A, $B);
}

On gists

From http://code.stephenmorley.org/php/creating-downloadable-csv-files/

23.1.2017

PHP Helpers-Filters-Plugins

csv-on-the-fly.php #

// output headers so that the file is downloaded rather than displayed
header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename=data.csv');

// create a file pointer connected to the output stream
$output = fopen('php://output', 'w');

// output the column headings
fputcsv($output, array('Column 1', 'Column 2', 'Column 3'));

// fetch the data
mysql_connect('localhost', 'username', 'password');
mysql_select_db('database');
$rows = mysql_query('SELECT field1,field2,field3 FROM table');

// loop over the rows, outputting them
while ($row = mysql_fetch_assoc($rows)) fputcsv($output, $row);

On gists

Human Readable File Size with PHP

7.10.2016

PHP Helpers-Filters-Plugins

gistfile1.php #

<?php
# http://jeffreysambells.com/2012/10/25/human-readable-filesize-php
function human_filesize($bytes, $decimals = 2) {
    $size = array('B','kB','MB','GB','TB','PB','EB','ZB','YB');
    $factor = floor((strlen($bytes) - 1) / 3);
    return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$size[$factor];
}

echo human_filesize(filesize('example.zip'));

On gists

PHP Curl to check if url is alive

2.10.2016

PHP

curl_example.php #

<?php

function check_alive($url, $timeout = 10, $successOn = array(200, 301)) {
  $ch = curl_init($url);

  // Set request options
  curl_setopt_array($ch, array(
    CURLOPT_FOLLOWLOCATION => false,
    CURLOPT_NOBODY => true,
    CURLOPT_TIMEOUT => $timeout,
    CURLOPT_USERAGENT => "page-check/1.0"
  ));

  // Execute request
  curl_exec($ch);

  // Check if an error occurred
  if(curl_errno($ch)) {
    curl_close($ch);
    return false;
  }

  // Get HTTP response code
  $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  curl_close($ch);

  // Page is alive if 200 OK is received
  //return $code;
  return in_array( $code, $successOn );
}

$checks = array(
	'http://www.google.co.uk',
	'http://www.facebook.com',
	'http://www.bbc.co.uk',
	'http://photogabble.co.uk',
	'http://youtube.com'
	);

foreach($checks as $check)
{
	echo $check . ' is ' . ( (check_alive($check) ) ? 'Alive' : 'Dead' ) . "\n";
}

On gists

České řazení / Czech sorting

31.5.2016

PHP Helpers-Filters-Plugins

cs-sort.php #

<? 
setlocale(LC_ALL, 'cs_CZ.UTF-8');
header("content-type: text/html; charset=UTF-8");

$arr = explode(",", "č, d, b, a, š, ř, o, x, z, ž, á, s, m");

uasort($arr, "strcoll");
echo "<pre>" . print_r($arr, 1) . "</pre>";

?>