php数组与字符串的转换函数

作者：袖梨 2022-06-24

我们先来看字符串转换成数组

str_split()

print_r(str_split("Hello"));
?>

Array
(
[0] => H
[1] => e
[2] => l
[3] => l
[4] => o
)

explode()

$str = "Hello world. It's a beautiful day.";
print_r (explode(" ",$str));
?>

结果

Array
(
[0] => Hello
[1] => world.
[2] => It's
[3] => a
[4] => beautiful
[5] => day.
)

preg_split()函数

 代码如下 复制代码

$user_info = "+J+++G+++++w";
$fields = preg_split("/+{1,}/", $user_info);
while ($x < sizeof($fields)) :
   print $fields[$x]. "
";
   $x++;
endwhile;
?>

总结在php中str_split()、explode()函数功能是一样的，这里就不介绍了。

把数组转换在字符串

implode()


例

 代码如下 复制代码

$array = array('a','b','c');

echo implode($array);

//结果  abc

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