確定數組的大小和唯一性;
count() 返回數組的總數;
arrary_count_values() 統計數組元素出現的頻度;
array_unqiue() 刪除數組中所有重複的值,並返回數組;
- <?
- $ary_t = array(
- "name" , "killy",
- "age" , "18",
- "love" , "sleep",
- "name" , "age"
- );
- $ary_ts = array("anme","killy", array("text","test2"),"bad");
- //測試數據的大小
- $i_1 = count($ary_t);
- echo "\$ary_t 元素個數爲:".$i_1."<br />";
- $i_2 = count($ary_ts);
- echo "\$ary_ts 元素個數爲:".$i_2."<br />";
- //統計數組元素出現的次數;
- $i_time1 = array_count_values($ary_t);
- print_r ($i_time1);
- echo "<br />";
- //確定唯一的數組;
- $i_time2 = array_unique($ary_t);
- print_r($i_time2);
- echo "<br />";
- // 結果:
- // $ary_t 元素個數爲:8
- // $ary_ts 元素個數爲:4
- // Array ( [name] => 2 [killy] => 1 [age] => 2 [18] => 1 [love] => 1 [sleep] => 1 )
- // Array ( [0] => name [1] => killy [2] => age [3] => 18 [4] => love [5] => sleep )
- ?>
關於數組的衆多函數到PHP手刪看下吧!