爆炸功能的相反之處是什麼？

Question

這是我如何將一個句子分解成一組單詞：

$words = explode(" ", $sentence);

你如何做相反的事情？ （採取陣列如$words與單個數字鍵入變量存儲的字符串如$sentence與單詞之間的空格）

Answer 1

http://php.net/manual/en/function.implode.php

$sentence = implode(' ',$words); 

Answer 2

使用內爆

http://php.net/manual/en/function.implode.php

Answer 3

implode()確實正是你想要的。

Answer 4

$sentence = implode(' ', $words); 

implode

Answer 5

$string = "Hello World"; 
$explode = explode(" ",$string); 
print_r($explode); //explode[0] = Hello, explode[1] = World 

$explode = array([0]=>Hello,[1]=>World); 
$string = implode(" ",$string); 
echo $string; // Hello World