Home  >  Article  >  Backend Development  >  Which statement in php can output variable type

Which statement in php can output variable type

下次还敢
下次还敢Original
2024-04-26 07:30:241023browse

PHP 中可用于输出变量类型的语句为:使用 gettype() 函数。

Which statement in php can output variable type

PHP 中输出变量类型的语句

以下 PHP 语句可以输出变量类型:

<code class="php">gettype()</code>

使用 gettype() 函数

gettype() 函数返回一个字符串,表示变量的类型。该字符串包含以下类型之一:

  • boolean:布尔值
  • integer:整数
  • double:浮点数
  • string:字符串
  • array:数组
  • object:对象

示例

以下示例演示如何使用 gettype() 函数输出变量类型:

<code class="php">$x = 10;
$y = "Hello";
$z = true;

echo "Type of \$x: " . gettype($x) . "<br>";
echo "Type of \$y: " . gettype($y) . "<br>";
echo "Type of \$z: " . gettype($z) . "<br>";</code>

输出:

<code>Type of $x: integer<br>
Type of $y: string<br>
Type of $z: boolean<br></code>

The above is the detailed content of Which statement in php can output variable type. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn