<?php$a = array("one","two","three");$b = array("一","二","三");$c = array_combine($a,$b);print_r($c);/**結果*Array ( [one] => 一 [two] => 二 [three] => 三 )*/

<?php$input_array = array("a"=>"apple","b"=>"blue","c","d","e");echo "<pre>";print_r(array_chunk($input_array, 2));print_r(array_chunk($input_array, 2,True));echo "</pre>";/**結果Array( [0] => Array  (   [0] => apple   [1] => blue  ) [1] => Array  (   [0] => c   [1] => d  ) [2] => Array  (   [0] => e  ))Array( [0] => Array  (   [a] => apple   [b] => blue  ) [1] => Array  (   [0] => c   [1] => d  ) [2] => Array  (   [2] => e  ))*/

<?php$input_array = array("a"=>"apple","b"=>"blue","c","d","e");echo "<pre>";print_r(array_count_values($input_array));echo "</pre>";/**結果Array( [apple] => 1 [blue] => 1 [c] => 1 [d] => 1 [e] => 1)*/

<?php$array1 = array("a"=>"apple","b"=>"blue","c","d","e");$array2 = array("apple","c","d","f");$result = array_diff($array1, $array2);$result2 = array_diff($array2, $array1);echo "<pre>";print_r($result);//數組1中去掉數組2中剩下的print_r($result2);//數組2中去掉數組1中剩下的echo "</pre>";/**結果Array( [b] => blue [2] => e)Array( [3] => f)*/

<?php//定義回調函數function cube($n){ return ($n*$n*$n);}$a = array(1,2,3,4,5);$b = array_map("cube",$a);echo "<pre>";print_r($b);echo "</pre>";/**結果Array( [0] => 1 [1] => 8 [2] => 27 [3] => 64 [4] => 125)*/

<?php$array1 = array("color"=>"red",2,4);$array2 = array("a","b","color"=>"green","shape"=>"trapezoid",4);$result1 = array_merge($array1,$array2);$result2 = array_merge_recursive($array1,$array2);echo "<pre>";print_r($result1);print_r($result2);echo "</pre>";/**結果Array( [color] => green [0] => 2 [1] => 4 [2] => a [3] => b [shape] => trapezoid [4] => 4)Array( [color] => Array  (   [0] => red   [1] => green  ) [0] => 2 [1] => 4 [2] => a [3] => b [shape] => trapezoid [4] => 4)*/

<?php$stack = array("orange","banana","apple","1");$last = array_pop($stack);echo "<pre>";print_r($stack);print_r($last);echo "</pre>";/**結果Array( [0] => orange [1] => banana [2] => apple)1*/

<?php$stack = array("orange","banana");$count = array_push($stack,"apple","red","blue");echo "<pre>";print_r($stack);print_r($count);echo "</pre>";/**結果Array( [0] => orange [1] => banana [2] => apple [3] => red [4] => blue)5*/

<?php$input = array("orange","banana","apple","red","blue");$rand = array_rand($input,2);;print_r($rand);$rand = array_rand($input,3);print_r($rand);/**結果Array( [0] => 1 [1] => 4)Array( [0] => 0 [1] => 1 [2] => 3)*/

<?php$array = array("blue"=>"b","red"=>"r","green","r");$key = array_search('b', $array);echo $key;echo "<br>";$key = array_search('r', $array);echo $key;echo "<br>";/**結果bluered*/

<?php$fruit = array("milk","orange","banana","apple");$top = array_shift($fruit);print_r($top);echo "<br>";print_r($fruit);/**結果milkArray ( [0] => orange [1] => banana [2] => apple )*/

<?php$input = array("a"=>"green","red","b"=>"green","blue","c"=>"red");$result = array_unique($input);print_r($result);echo "<br>";print_r($input);/**結果Array ( [a] => green [0] => red [1] => blue )Array ( [a] => green [0] => red [b] => green [1] => blue [c] => red )*/

<?php$input = array("a","b","c","d","e");$output = array_slice($input,2);//第二個參數沒有時，表示取到最后一個元素print_r($output);echo "<br>";$output = array_slice($input,-2,1);//第二個參數是正數時，表示個數；倒數第一個是-1，倒數第二個是-2print_r($output);echo "<br>";$output = array_slice($input,0,3);print_r($output);echo "<br>";$output = array_slice($input,2,-1);//第二個參數是負數時，表示位置，取到哪一位，不包括本身print_r($output);echo "<br>";$output = array_slice($input,2,-1,true);//第三個參數為true時，保留原有的鍵值print_r($output);echo "<br>";/**結果Array ( [0] => c [1] => d [2] => e )Array ( [0] => d )Array ( [0] => a [1] => b [2] => c )Array ( [0] => c [1] => d )Array ( [2] => c [3] => d )*/

<?php$input = array("a","b","c",array("d","e"));$count = count($input);echo $count;echo "<br>";$input = array("a","b","c","d","e");$count = count($input);echo $count;/**結果45*/

<?php$array = array("foot","bike","car","plane");$result = current($array);echo $result."<br>";next($array);//使指針指向下一個元素$result = current($array);echo $result."<br>";prev($array);//使指針指向前一個元素$result = current($array);echo $result."<br>";end($array);//使指針指向最后一個元素$result = current($array);echo $result."<br>";/**結果footbikefootplane*/

<?php$os_list = array("Mac","NT","Irix","Linux");if(in_array("Irix",$os_list)){ echo "當前操作系統(tǒng)列表中存在Irix";}else{ echo "當前操作系統(tǒng)列表中不存在Irix";}echo "<br>";if(in_array("mac",$os_list)){ echo "當前操作系統(tǒng)列表中存在mac";}else{ echo "當前操作系統(tǒng)列表中不存在mac";}echo "<br>";/**結果當前操作系統(tǒng)列表中存在Irix當前操作系統(tǒng)列表中不存在mac*/

<?php$info = array("red","blue","green");list($flag,$sky,$grassland) = $info;echo "$flag,$sky,$grassland";echo "<br>";list($flag,,$grassland) = $info;echo "$flag,$grassland";echo "<br>";list(,,$grassland) = $info;echo "$grassland";echo "<br>";/**結果red,blue,greenred,greengreen*/

<?php$numbers = range(1,5);//生成一個隨機數組print_r($numbers);echo "<br/>";shuffle($numbers);//打亂數組print_r($numbers);/**結果Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 )Array ( [0] => 4 [1] => 1 [2] => 5 [3] => 2 [4] => 3 )*/

<?php$array = array(0=>100,"color"=>"red");print_r(array_keys($array));echo "<br>";$array = array("blue","red","green","blue","blue");print_r(array_keys($array,"blue"));echo "<br>";$array = array("color"=>array("blue","red","green"),"size"=>array("small","medium","large"));print_r(array_keys($array));echo "<br>";/**結果Array ( [0] => 0 [1] => color )Array ( [0] => 0 [1] => 3 [2] => 4 )Array ( [0] => color [1] => size )*/

<?php$input = array("php",3.0,array("green","red"));$result = array_reverse($input); //打亂鍵名$result_keyed = array_reverse($input,TRUE);//保留鍵名print_r($result);print_r($result_keyed);/**結果Array( [0] => Array  (   [0] => green   [1] => red  ) [1] => 3 [2] => php)Array( [2] => Array  (   [0] => green   [1] => red  ) [1] => 3 [0] => php)*/

<?php$fruits = array( "a"=>"lemon", "b"=>"orange", "c"=>"banana", "d"=>"apple", );arsort($fruits);//按照字符逆向排序或數字foreach($fruits as $key=>$val){ echo "$key = $val<br>";}/**結果b = orangea = lemonc = bananad = apple*/

<?php$fruits = array( "a"=>"lemon", "b"=>"orange", "c"=>"banana", "d"=>"apple", );arsort($fruits);//按照字符逆向排序或數字foreach($fruits as $key=>$val){ echo "$key = $val<br>";}echo "<p>";asort($fruits);//按照字符正向排序或數字foreach($fruits as $key=>$val){ echo "$key = $val<br>";}/**結果b = orangea = lemonc = bananad = appled = applec = bananaa = lemonb = orange*/

<?php$fruits = array( "a"=>"lemon", "b"=>"orange", "c"=>"banana", "d"=>"apple", );krsort($fruits);//按照鍵名逆向排序或數字foreach($fruits as $key=>$val){ echo "$key = $val<br>";}/**結果d = applec = bananab = orangea = lemon*/

<?php$fruits = array( "a"=>"lemon", "b"=>"orange", "c"=>"banana", "d"=>"apple", );ksort($fruits);//按照鍵名正向排序或數字foreach($fruits as $key=>$val){ echo "$key = $val<br>";}/**結果a = lemonb = orangec = bananad = apple*/

<?php$fruits = array( "a"=>"lemon", "b"=>"orange", "c"=>"banana", "d"=>"apple", );rsort($fruits);//按照值進行逆向排序或數字，鍵名改變foreach($fruits as $key=>$val){ echo "$key = $val<br>";}/**結果0 = orange1 = lemon2 = banana3 = apple*/

<?php$fruits = array( "a"=>"lemon", "b"=>"orange", "c"=>"banana", "d"=>"apple", );sort($fruits);//按照值進行逆向排序或數字，鍵名改變foreach($fruits as $key=>$val){ echo "$key = $val<br>";}/**結果0 = apple1 = banana2 = lemon3 = orange*/