復(fù)制代碼 代碼如下:

$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr);輸出
Hello World! Beautiful Day!

復(fù)制代碼 代碼如下:

$a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
print_r(array_rand($a,1));

復(fù)制代碼 代碼如下:

$a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
print_r(array_rand($a,2));View Code
Array ( [0] => c [1] => b )

復(fù)制代碼 代碼如下:

$a=array(0=>"5",1=>"15",2=>"25");
echo array_sum($a);

復(fù)制代碼 代碼如下:

$a=array(0=>"Dog",1=>"Cat",2=>"Horse",3=>"Bird");
print_r(array_slice($a,1,2));View Code
Array ( [0] => Cat [1] => Horse )

復(fù)制代碼 代碼如下:

$a=array("Cat","Dog","Horse","Dog");
print_r(array_count_values($a));輸出:
Array ( [Cat] => 1 [Dog] => 2 [Horse] => 1 )

復(fù)制代碼 代碼如下:

function array2xml($array, $tag) {
function ia2xml($array) {
$xml="";
foreach ($array as $key=>$value) {
if (is_array($value)) {
$xml.="<$key>".ia2xml($value)."</$key>";
} else {
$xml.="<$key>".$value."</$key>";
}
}
return $xml;
}
return simplexml_load_string("<$tag>".ia2xml($array)."</$tag>");
}
$test['type']='lunch';
$test['time']='12:30';
$test['menu']=array('entree'=>'salad', 'maincourse'=>'steak');
echo array2xml($test,"meal")->asXML();

復(fù)制代碼 代碼如下:

<?xml version="1.0"?>
<meal>
<type>lunch</type>
<time>12:30</time>
<menu>
<entree>salad</entree>
<maincourse>steak</maincourse>
</menu>
</meal>