$machines=array("DONG", "Mitsubishi", "BMW");

$rev_machine=array_reverse($mac hine);

//rev_machine="BMW", "Mitsubishi", "DONG" kabi qiymatlarni oladi.

$til=array("France"=>"French", "Uzbekistan"=>"Uzbek", "England"=>"English");

$tes_til=array_flip($til);

//shunda tes_til'ning qiymati quyidagicha bo'ladi tes_til="French"=>"France", "Uzbek"=>"Uzbekistan", "English"=>"England"

$langs=array("English", "Russian", "Greec", "German");

$lang_size=sizeof($langs);

//lang_size=4

$params=array("PA", "MA", "CA", "PA", "MO", "CA", "PA", "MA", "CO");

$params_c=array_count_values($params);

//params_c="PA"=>3, "MA"=>2, "CA"=2, "MO"=>1 , "CO"=>1 kabi qiyamtlarni oladi.

$alfa=array("A", "C", "E", "D", "B");

sort($alfa);

//alfa="A", "B", "C", "D", "E"

$cities=array("Tashkent", "Samarkand", "Andijan", "Qarshi");

asort($cities);

cities[2]=Andijan

cities[1]=Samarkand

cities[0]=Tashkent

cities[4]=Qarshi

$langs=array("France"=>"French", "England"=>"English", "Italy"=>"Spanish");

ksort($langs);

$a1=array("a", "b", "c");

$a2=array("d", "e", "f");

$a3=array("g", "h", "i");

$ar4=array_merge($a1, $a2, $a3);

//ar4="a", "b", "c", ... "i" mana shu holga keladi, yani a1 , a2, a3 larni qo'shib qo'yadi.

array array_slice(array masiv, int boshlanish, [int uzunligi]);

array_splice(masiv, int boshlanish, [int uzunlik], [array o'zg artirish masivi]);

$file = "userdata.txt";

if (file_exists($file)):

$fh = fopen($file);

fclose($fh);

else:

print "File $file does not exist!";

endif;

<?

$data = "08:13:00 | 12:37:12 | 208.247.106.87 | win98";

$filename = "test.txt";

if (is_writable($filename)):

$fh = fopen($filename, "a+");

$success = fwrite($fh, $data);

fclose($fh);

else:

print "Could not open $filename for writing";

endif;

?>

$fh = fopen("pastry.txt", "r") or die ("Can't open file");

$file = fread($fh, filesize($fh));

print $file;

fclose($fh);

$fh = fopen("pastry.txt", "r");

while(!feof($fh)):

$char = fgetc($fh);

print $char;

endwhile;

fclose($fh);

$fh = fopen("pastry.txt", "r");

while (!feof($fh)):

$line = fgets($fh, 4096);

print $line;

endwhile;

fclose($fh);

<?

file_array = file("pastry.txt");

while (list($line_num, $line) = each($file_array)):

print "$line_num: ", htmlspecialchars($line);

endwhile;

?>

<?

$file = "test.txt";

readfile($file);

?>

<?

$fh = fopen("test.txt", "w"); //test nomli fayl ochamiz

fputs($fh, "Salom Toshkent \n");

fputs($fh, "Bugun havo yaxshi \n");

fputs($fh, "Hayot gozal \n"); //faylning ichiga bir qancha ma'lumot yozamiz

fclose($fh); //faylni yopamiz

$fh = popen("grep Toshkent < test.txt", "r"); //Biz bu yerda Unix sistemasidagi grep buyrugini ishlatib test.txt faylidan Toshkent so'zini qidiradi va uni topgan qatori ekranga chiqaradi

fpassthru($fh); //ekranga chiqaramiz

?>

<?

$fp = fsockopen("www.example.com", 80, $errno, $errstr, 30);

if (!$fp){

echo "$errstr ($errno)<br>\n";

}

?>

<?

exec ("ping c 5 www.technoidea.boom.ru", $ping);

for ($i = 0; $i < count($ping); $i++):

print "<br>$ping[$i]";

endfor;

?>

$output = 'ls';

print "<pre>$output</pre>";

$user_in = 'rm rf *';

exec($user_in); //hafli hamma fayllar o'chib ketishi mumkindir.

$user_in = 'rm rf *';

exec(escapeshellcmd($user_in)); //hafli emas, sababi * belgisi olib tashlanadi

$path = "/usr/local/sbin/skip.test";

$file = basename($path);

echo "Last modified:", date("H:i:s a", getlastmod());

$file = "datafile.txt";

list($dev, $inode, $inodep, $nlink$, $uid, $gid, $inodev, $size, $atime, $mtime, $ctime,

$bsize) = stat($file);

print "$file is $size bytes. <br>";

print "Last access time: $atime<br>";

print "Last modification time: $mtime <br>";

$data_file = "data1.txt";

copy($data_file, $data_file'.bak.') or die ("Could not copy $data_file");

$data_file = "data1.txt";

rename($data_file, $data_file'.old.') or die ("Could not rename $data_file");

$path = "/usr/local/index.php";

$dirs = dirname($path);

$file = "index.html";

$dirs = "/usr/local";

$isdir = is_dir($file); //isdir=FALSE

$isdir = is_dir($dirs); //isdir=TRUE

$dh = opendir('.');

while ($file = readdir($dh)):

print "$file <br>"; endwhile;

closedir($dh);

<?

$access = "hits.txt";

$visits = @file($access);

$current_visitors = $visits[0];

$all_me = (int)$current_visitors + 1;

$fh = fopen($access, "w");

$success = fwrite($fh, $all_me);

fclose($fh);

print "Visited: $all_me";

?>

<html>

<head>

<title> File Upload </title>

</head>

<body>

<h2> <b> Faylni tanlab yuklani bos </b></h2>

<form action="upload.php" method="post" enctype="multipart/formdata">

<input type="file" name="filename"><br>

<input type="submit" value="yukla"><br>

</form>

</body>

</html>

<html>

<head>

<title> Yuklandimi? </title>

</head>

<body>

<?php

if(copy($_FILES["filename"]["tmp_name"], "temp/".$_FILES["filename"]["name"])) {

echo("Fayl yuklandi");

} else {

echo("Fayl yuklana olmadi");

}

?>

</body>

</html>

<html>

<head>

<title> Fayl yuklandimi? </title>

</head>

<body>

<?php

if(copy($_FILES["filename"]["tmp_name"], "temp/".$_FILES["filename"]["name"])) {

echo("yuklandi <br>");

echo("Fayl bilan aloqali malumotlar: <br>");

echo("Ismi: " ) ;

echo($_FILES["filename"]["name"]) ;

echo("<br>Hajmi: ") ;

echo($_FILES["filename"]["size"]) ;

echo("<br>Yuklangan yeri: " ) ;

echo($_FILES["filename"]["tmp_name"]);

echo("<br>Fayl turi: " ) ;

echo($_FILES["filename"]["type"]);

} else {

echo("Yuklanmadi");

}

?>

</body>

</html>