php 数组转字符

$array = ['apple', 'banana', 'cherry'];
$string = implode(', ', $array);
echo $string; // 输出: apple, banana, cherry

$array = ['apple', 'banana', 'cherry'];
$string = json_encode($array);
echo $string; // 输出: ["apple","banana","cherry"]

$array = ['apple', 'banana', 'cherry'];
$string = serialize($array);
echo $string; // 输出: a:3:{i:0;s:5:"apple";i:1;s:6:"banana";i:2;s:6:"cherry";}

$array = ['apple', 'banana', 'cherry'];
$string = var_export($array, true);
echo $string; // 输出: array (  0 => 'apple',  1 => 'banana',  2 => 'cherry',)

$array = ['苹果', '香蕉', '樱桃'];
$string = implode(', ', $array);
echo mb_convert_encoding($string, 'UTF-8', 'auto');

$array = ['name' => 'John', 'age' => 30, 'city' => 'New York'];
$string = json_encode($array, JSON_UNESCAPED_UNICODE);
echo $string; // 输出: {"name":"John","age":30,"city":"New York"}