1. array_pop 彈出陣列最後一個單元(出棧)
$arr1=array('red','123','cc');
$arr2=array_pop($arr1);
print_r($arr1);
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2.array_product 計算陣列中所有值得乘積
$arr1=array(2,4,6,8);
$arr2=array_product($arr1);
var_dump($arr2);
$arr3=array();
$arr4=array_product($arr3);
var_dump($arr4);
$arr5=array(1,2,'he');
$arr6=array_product($arr5);
var_dump($arr6);
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3.array_push 將一個或多個單元壓入陣列的末尾(入棧)
$arr1=array('hh','ss');
array_push($arr1,'cc','hh');
var_dump($arr1);
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4.array_rand 陣列中隨機取出一個或多個單元(取出的是key值)
$arr1=array('hh','ss','cc','hello');
$rand_keys=array_rand($arr1,2);
var_dump($rand_keys);
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The sun is always behind the storm~