<?php
function sum($x, $y) {
    $z = $x + $y;
    return $z;
}
 
echo "5 + 10 = " . sum(5,10) . "<br>";
echo "7 + 13 = " . sum(7,13) . "<br>";
echo "2 + 4 = " . sum(2,4);?>

<?php
$raqam = array(4, 6, 2, 22, 11);
sort($raqam);
 
$arrlength = count($raqam);
for($x = 0; $x < $arrlength; $x++) {
    echo $raqam[$x];
    echo "<br>";
}
?>

// glob() orqali hostindan .php fayllarni qidiramiz!
 
 
$files = glob('*.php'); 
print_r($files);
 
/* rezultat
Array
(
    [0] => test.php
    [1] => index.php
    [2] => post.php
    [3] => reg.php
)
*/
 
 
///// Bu yerdayam hudi tepadagidek faqat .php va txt fotmatdagi fayllarni topadi 
$files = glob('*.{php,txt}', GLOB_BRACE);
 
print_r($files);
/* rezultat
Array
(
    [0] => test.php
    [1] => index.php
    [2] => reg.php
    [3] => test.php
    [4] => log.txt
    [5] => test.txt
)
*/

echo "Bugun " . date("d/m/Y") . "<br>";
echo "Bugun " . date("d.m.Y") . "<br>";
echo "Bugun " . date("d-m-Y") . "<br>";

echo readfile("test.txt");