php

settype

$a=(string)$a

defined( nazvanije konstanti)

__FILE__

TRUE

FALSE

NULL

$a=$b=$c=7

$y[]='novoje znachenije v konec'; alias .push

PHP func_get_args(); JavaScript arguments;

----------------------------------------------------------------

<?

function go()

{

for($i=0;  $i < func_num_args(); $i++)

{

echo "Argument $i = ".func_get_arg($i)."<br>";

}

}

go(1,2,3,4,5,6,7,8,9,10);

// func_num_args

// func_get_arg

// func_get_args

?>

----------------------------------------------------------------

<?

function go()

{

foreach (func_get_args() as $arg)

{

echo $arg."<br>";

}

}

go(1,2,3,4,5,6,7,8,9,10);

// func_num_args

// func_get_arg

// func_get_args

?>

----------------------------------------------------------------

$a = 100;

function go()

{

global $a;

return $a; 

}

$b = go();

echo $b."<br>";

-----------------------------------------------------------------

$x[]=1;

$x[]=&$x[0];

$x[0] = 10;

$x = serialize($x);

echo "<pre>";

print_r($x);

echo "</pre>";

$x = unserialize($x);

$x[0] = 20;

echo "<pre>";

print_r($x);

echo "</pre>";

----------------------------------------------------------------

$x[]=1;

$x[]=&$x[0];

$x[0] = 10;

/* $x = json_encode($x); */

$x = serialize($x); 

echo "<pre>";

print_r($x);

echo "</pre>";

/* $x = json_decode($x); */

 $x = unserialize($x); 

$x[0] = 20; 

echo "<pre>";

print_r($x);

echo "</pre>";

--------------------------------------------------------------