46 very useful snippets of PHP code (II)

16. Unzip the file [code]php code:

function unzip ($location, $newLocation) {        if (EXEC ("Unzip $location", $arr)) {            mkdir ($newLocation);            for ($i = 1; $i < count ($arr), $i + +) {                $file = Trim (Preg_replace ("~inflating: ~", "", $arr [$i]));                Copy ($location. ' /'. $file, $newLocation. ' /'. $file);                Unlink ($location. ' /'. $file);            }            return TRUE;        } else{            return FALSE;        }}

Grammar:

<?php

Unzip (' Test.zip ', ' unziped/test '); File would is unzipped in Unziped/test folder

?>

17. Zoom Image

[Code]php Code:

function resize_image ($filename, $tmpname, $xmax, $ymax) {$ext = Explode (".",      $FILENAME);         $ext = $ext [Count ($ext)-1];      if ($ext = = "JPG" | | $ext = = "jpeg") $im = Imagecreatefromjpeg ($tmpname);      ElseIf ($ext = = "png") $im = Imagecreatefrompng ($tmpname);             ElseIf ($ext = = "gif") $im = Imagecreatefromgif ($tmpname);      $x = Imagesx ($im);             $y = Imagesy ($im);         if ($x <= $xmax && $y <= $ymax) return $im;          if ($x >= $y) {$newx = $xmax;      $newy = $newx * $y/$x;          } else {$newy = $ymax;      $NEWX = $x/$y * $NEWY;      } $im 2 = Imagecreatetruecolor ($newx, $newy);      Imagecopyresized ($im 2, $im, 0, 0, 0, 0, Floor ($newx), Floor ($newy), $x, $y);   return $im 2; }

18. Send mail using mail ()

We've previously provided snippets of PHP code to send mail using Mandrill, but if you don't want to use a third-party service, you can use the following PHP snippet.

[Code]php Code:

function Send_mail ($to, $subject, $body) {$headers = "from:koonk\r\n"; $headers. = "reply-to:blog@koonk.com\r\n"; $ Headers. = "return-path:blog@koonk.com\r\n"; $headers. = "x-mailer:php5\n"; $headers. = ' mime-version:1.0 '. "\ n"; $headers. = ' content-type:text/html; Charset=iso-8859-1 '. "\ r \ n"; Mail ($to, $subject, $body, $headers);}

Grammar:

<?php

$to = "admin@koonk.com";

$subject = "This is a test mail";

$body = "Hello world!";

Send_mail ($to, $subject, $body);

?>

19. Convert seconds to days, hours and minutes

[Code]php Code:

function Secstostr ($secs) {    if ($secs >=86400) {$days =floor ($secs/86400); $secs = $secs%86400; $r = $days. ' Day '; if ($days <>1) {$r. = ' s ';} if ($secs >0) {$r. = ', ';}}    if ($secs >=3600) {$hours =floor ($secs/3600), $secs = $secs%3600; $r. = $hours. ' Hour '; if ($hours <>1) {$r. = ' s ';} if ($secs >0) {$r. = ', ';}}    if ($secs >=60) {$minutes =floor ($secs/60), $secs = $secs%60; $r. = $minutes. ' Minute '; if ($minutes <>1) {$r. = ' s ';} if ($secs >0) {$r. = ', ';}}    $r. = $secs. ' Second '; if ($secs <>1) {$r. = ' s ';}    return $r;}

Grammar:

<?php

$seconds = "56789";

$output = Secstostr ($seconds);

Echo $output;

?>

20. Database connection

<?php$dbname = ' Koonk '; $HOST = ' localhost '; $DBUSER = ' root '; $DBPASS = ' Koonk '; $CONNECT = mysql_connect ($HOST, $DBUSER, $DBPASS); if (! $CONNECT) {    echo ' MySQL Error: '. mysql_error ();} $SELECT = mysql_select_db ($DBNAME), if (! $SELECT) {    echo ' mysql Error: '. mysql_error ();}? >

21. Catalogue List

Use the following PHP code snippet to list all files and folders in a directory

[Code]php Code:

function List_files ($dir) {    if (Is_dir ($dir))    {        if ($handle = Opendir ($dir))        {while            ($file = Readdir ($handle))!== false)            {                if ($file! = "." && $file! = ":" && $file! = "Thumbs.db"/*pesky win dows, images. */)                {                    echo ' <a target= "_blank" href= "'. $dir. $file. '" > '. $file. ' </a><br> '. ' \ n ";                }            }            Closedir ($handle);}}    

Grammar:

<?php

List_files ("images/"); This would list all files of images folder

?>

22. Detecting User Language

Use the following PHP code snippet to detect the language used by the user's browser

[Code]php Code:

function Get_client_language ($availableLanguages, $default = ' en ') {    if (isset ($_server[' http_accept_language ')) {        $langs =explode (', ', $_server[' http_accept_language '));        foreach ($langs as $value) {            $choice =substr ($value, 0,2);            if (In_array ($choice, $availableLanguages)) {                return $choice;            }        }    }     return $default;}

23. View the CSV file

[Code]php Code:

function Readcsv ($csvFile) {    $file _handle = fopen ($csvFile, ' R ');    while (!feof ($file _handle)) {        $line _of_text[] = fgetcsv ($file _handle, 1024x768);    }    Fclose ($file _handle);    return $line _of_text;}

Grammar:

<?php

$csvFile = "Test.csv";

$csv = Readcsv ($csvFile);

$a = csv[0][0]; This'll get value of Column 1 & Row 1

?>

24. Create a CSV file from PHP data

[Code]php Code:

function Generatecsv ($data, $delimiter = ', ', $enclosure = ' "') {   $handle = fopen (' php://temp ', ' r+ ');   foreach ($data as $line) {           fputcsv ($handle, $line, $delimiter, $enclosure);   }   Rewind ($handle);   while (!feof ($handle)) {           $contents. = Fread ($handle, 8192);   }   Fclose ($handle);   return $contents;}

Grammar:

<?php

$data [0] = "apple";

$data [1] = "oranges";

Generatecsv ($data, $delimiter = ', ', $enclosure = ' "');

?>

25. Parsing XML Data

[Code]php Code:

$xml _string= "<!--? XML version= ' 1.0 '?--><moleculedb>    <molecule name=" Benzine ">        < symbol>ben</symbol>        <code>A</code>    </molecule>    <molecule name= "Water" >        <symbol>h2o</symbol>        <code>K</code>    </molecule></moleculedb > ";  Load the XML string using <a href= "http://www.php-z.com/" target= "_blank" class= "Relatedlink" >Simple</a> XML function$xml = simplexml_load_string ($xml _string);  Loop through the each node of Moleculeforeach ($xml->molecule as $record) {   //attribute is accessted by   Ech o $record [' name '], '  ;   Node   is accessted by-and operator Echo $record->symbol, "  ;   echo $record->code, ' <br> ';}

26. Parsing JSON Data

[Code]php Code:

$json _string= ' {"id": 1, "name": "Rolf", "Country": "Russia", "office": ["Google", "Oracle"]} '; $obj =json_decode ($json _ string);//print the parsed Dataecho $obj->name; Displays Rolfecho $obj->office[0]; Displays Google

27. Get the current page URL

This PHP snippet can help you get the user to log in and jump directly to the previously viewed page

[Code]php Code:

function Current_url () {$url = "http://". $_server[' Http_host '). $_server[' Request_uri ']; $validURL = Str_replace (" & "," & ", $url); return validurl;}

Grammar:

<?php

echo "Currently you is on:". Current_url ();

?>

28. Get the latest tweets from any Twitter account

[Code]php Code:

function My_twitter ($username) {     $no _of_tweets = 1;     $feed = "Http://search.twitter.com/search.atom?q=from:". $username. "&rpp=". $no _of_tweets;     $xml = Simplexml_load_file ($feed);    foreach ($xml->children () as $child) {        foreach ($child as $value) {            if ($value->getname () = = "link") $link = $ value[' href '];            if ($value->getname () = = "Content") {                $content = $value. "";        Echo ' <p class= ' twit > ' $content. ' <a class= ' TWT ' href= '. $link. ' title= ' >  </a></p> ';            }            }    }    }

Grammar:

<?php

$handle = "Koonktech";

My_twitter ($handle);

?>

29. Number of forwards

Use this PHP fragment to detect how many forwards you have in your page URL

[Code]php Code:

function Tweetcount ($url) {    $content = file_get_contents ("http://api.tweetmeme.com/url_info?url=". $url);    $element = new SimpleXMLElement ($content);    $retweets = $element->story->url_count;    if ($retweets) {        return $retweets;    } else {        return 0;}    }

Grammar:

<?php

$url = "http://blog.koonk.com";

$count = Tweetcount ($url);

return $count;

?>

30. Calculate the difference of two dates

[Code]php Code:

<!--? php$date1 = date (' y-m-d '); $date 2 = "2015-12-04"; $diff = ABS (Strtotime ($date 2)-Strtotime ($date 1)); $years = Floo  R ($diff/(365*60*60*24)), $months = Floor (($diff-$years * 365*60*60*24)/(30*60*60*24)), $days = Floor (($diff-$years * 365*60*60*24-$months *30*60*60*24)/(60*60*24));p rintf ("%d years,%d months,%d days\n", $years, $months, $days);------- -------------------------------------------------or$date1 = new DateTime ("2007-03-24"), $date 2 = new DateTime (" 2009-06-26 ") $interval = $date 1--->diff ($date 2); echo" Difference ". $interval->y. "Years,". $interval->m. "Months,". $interval->d. "Days"; Shows the total amount's (not divided to years, months and days like above) echo "difference". $interval->days. "Days";--------------------------------------------------------or/** * Calculate differences between the date s with precise semantics. <a href= "http://www.php-z.com/" target= "_blank" class= "Relatedlink" >base</a>dOn PHPs DateTime::d iff () * implementation by Derick Rethans. Ported to PHP by Emil H, 2011-05-02. No rights reserved. * * See here for original code: * http://svn.php.net/viewvc/php/php-src/trunk/ext/date/lib/tm2unixtime.c?revision= 302890&view=markup * http://svn.php.net/viewvc/php/php-src/trunk/ext/date/lib/interval.c?revision=298973        &view=markup */function _date_range_limit ($start, $end, $adj, $a, $b, $result) {if ($result [$a] < $start) {        $result [$b]-= Intval (($start-$result [$a]-1)/$adj) + 1;    $result [$a] + = $adj * Intval (($start-$result [$a]-1)/$adj + 1);        if ($result [$a] >= $end) {$result [$b] + = intval ($result [$a]/$ADJ);    $result [$a]-= $adj * Intval ($result [$a]/$ADJ); } return $result;} function _date_range_limit_days ($base, $result) {$days _in_month_leap = array (31, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31    , 30, 31);    $days _in_month = Array (31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); _date_range_Limit (1, x, N, "M", "Y", & $base);    $year = $base ["Y"];    $month = $base ["M"];            if (! $result ["invert"]) {while ($result ["D"] < 0) {$month--;                if ($month < 1) {$month + = 12;            $year--; } $leapyear = $year% 400 = = 0 | |            ($year%! = 0 && $year% 4 = = 0); $days = $leapyear?            $days _in_month_leap[$month]: $days _in_month[$month];            $result ["D"] + = $days;        $result ["M"]--; }} else {while ($result ["D"] < 0) {$leapyear = $year% 400 = = 0 | |            ($year%! = 0 && $year% 4 = = 0); $days = $leapyear?            $days _in_month_leap[$month]: $days _in_month[$month];            $result ["D"] + = $days;            $result ["M"]--;            $month + +;                if ($month >) {$month-= 12;            $year + +; }}} return $result;} function _date_normalize ($base, $result) {$rEsult = _date_range_limit (0, a, "s", "I", $result);    $result = _date_range_limit (0, Max, "I", "H", $result);    $result = _date_range_limit (0, a, "H", "D", $result);    $result = _date_range_limit (0, N, a, "M", "Y", $result);    $result = _date_range_limit_days (& $base, & $result);    $result = _date_range_limit (0, N, a, "M", "Y", $result); return $result;} /** * accepts, UNIX timestamps.    */function _date_diff ($one, $two) {$invert = false;        if ($one > $two) {list ($one, $two) = Array ($two, $one);    $invert = true;    } $key = Array ("Y", "M", "D", "H", "I", "s");    $a = Array_combine ($key, Array_map ("Intval", Explode ("", Date ("Y m D H i S", $one))));    $b = Array_combine ($key, Array_map ("Intval", Explode ("", Date ("Y m D H i S", $two))));    $result = Array ();    $result ["y"] = $b ["y"]-$a ["Y"];    $result ["M"] = $b ["M"]-$a ["M"];    $result ["d"] = $b ["D"]-$a ["D"];    $result ["h"] = $b ["h"]-$a ["H"]; $result ["i"] = $b ["I"]-$a ["I"];    $result ["s"] = $b ["s"]-$a ["s"]; $result ["invert"] = $invert?    1:0;    $result ["days"] = Intval (ABS (($one-$two)/86400);    if ($invert) {_date_normalize (& $a, & $result);    } else {_date_normalize (& $b, & $result); } return $result;} $date = "2014-12-04 19:37:22"; Echo ' <pre> ';p rint_r (_date_diff (Strtotime ($date), Time ()); Echo ' </pre> ';? >

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