php_4

<pre>
<?php
## primer 1 MASIVI
echo "PRIMER #1 MASIVI\n";
$a = array();
var_dump($a);
$b = [];
var_dump($b);
$c = [1,2,3];
print_r($c);
echo $c[2], $c{0}, "\n";
$c[] = 5;
print_r($c);

## primer 2 INDEXI
echo "PRIMER #2 INDEXI\n";
$d = [1,12=>2,3];
print_r($d);
$dd = [1,'aa'=>2,3];
print_r($dd);
$ddd = [1,'aa'=>2,3,[333,33,3]];
print_r($ddd);

## primer 3
echo "PRIMER #3\n";
foreach($dd as $k=>$v){
    echo "key: $k val: $v \n";
}
echo "<hr />";
reset($dd);
while(list($k,$v) = each($dd)){
    echo "key: $k val: $v \n";
}
echo "<hr />";
reset($a);
for($i=0; $i<count($dd); $i++) {
    echo "key:", key($dd), "\n";
    echo current($dd), "\n";
    next($dd);
}
## primer 4
echo "PRIMER #4\n";
foreach($dd as $k=>$v){
    $v="$k:$v";
}
print_r($dd);

## primer 5 SORT
echo "PRIMER #5 SORT\n";
$abc = [12312,411,123,213,1,52,2,'aa'];
print_r($abc);
sort($abc);
print_r($abc);
rsort($abc);
print_r($abc);
asort($abc);
print_r($abc);
natsort($abc);
print_r($abc);

## primer 6
echo "PRIMER #6\n";
$h = [12312,411,123,213,1,52,2,'aa'];
print_r($h);
usort($h, 'cmp');
print_r($h);
function cmp($a, $b) {
    return strlen($a) < strlen($b) ? 1: -1;
}
echo "ANONIMNA FUNKCIQ \n";
usort($h, function ($a, $b) {
    return strlen($a) > strlen($b) ? 1: -1;
});
print_r($h);

## primer 7
echo "PRIMER #7\n";
$a1 = [1, 'aa'=>2,3,4,5];
$b1 = [3,4,5,6, 'aa'=>7];
$c1 = array_diff($a1,$b1);
print_r($c1);
$c2 = array_unique(array_merge($a1,$b1));
print_r($c2);
$c3 = array_merge_recursive($a1,$b1);
print_r($c3);

## primer 8
echo "PRIMER #8\n";
shuffle($a1);
print_r($a1);
echo "RAZPE4ATWANE \n";
$string = implode(",",$a1);
echo $string, "\n";
$gaga = explode(",", $string);
var_dump($gaga);

## primer 9 HTTP METHODS
echo "PRIMER #9 HTTP METHODS\n";
###GET /path/to/resource
###host:abc.de
###info
### pr: http://sub.domain.ext/path/to/scritp.ext?getvar=value&getvar=value&nextvar=newvalue;
var_dump($_GET);
echo $_GET['id'], "\n";

## primer 10
echo "PRIMER #10\n";
if(@$_GET['ime'] != "") {
    echo "Hello {$_GET['ime']}\n";
    }
## primer 11
echo "PRIMER #11\n";
## primer 12
echo "PRIMER #12\n";
?>
<form>
<input type="text" name="ime">
<input type="submit">
</form>