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                >聲名數組兩種寫法 ~~~ $arr = array(1,2,3); $arr1[1]='a'; $arr1[2]='b'; ~~~ >遍歷數組 ~~~ $arr = array('a'=>1,'b'=>2); foreach($arr as $k=>$v){ echo $k.":".$v."\n"; } while(list($k,$v)=each($arr)){ echo $k.":".$v."\n"; } ~~~ * [x]字符數組轉換 ~~~ explode('-','1-2-3-4');//分割成數組 implode('-',$arr);//轉換成字符串 ~~~ >元素個數 count($arr) * [] 查找元素,返回下標 ~~~ $str = array_search('1',array('k'=>1,'f'=>2)); ~~~ >合并數組 `$result = array_merge($array1, $array2);` >返回鍵名 ~~~ $arr = array_keys($array)); $str = array_pop($arr);取出最后一個,返回的單個元素,原數組少一個 $str = array_shift($arr); 取出第一個 array_push($arr, "apple", "raspberry"); 壓入末尾元素 $k = array_rand($arr, 2) 隨機取出2個元素,返回下標 $result = array_reverse($arr); 反序 $arr = array_slice($input, -2, 1); 從某個位置開始,取出元素個數,負數從末尾開始,不填寫到末尾 array_sum($a)數值之和 array_unique($input) 去掉重復 array_unshift($queue, "apple", "raspberry");開頭插入 $arr = array_values($array) 返回值組成的數組 count($arr)計算數組個數 in_array("Irix", $arr)) 元素是否在數組中 range(0, 100, 10) 0-100 步長10的數組 $k = range('a','z'); shuffle($arr); 打亂數組 ~~~
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