Home  >  Article  >  Backend Development  >  How to convert integer to floating point type in php

How to convert integer to floating point type in php

青灯夜游
青灯夜游Original
2021-06-30 12:12:014371browse

php method to convert integers to floating point types: 1. Add the target type "(float)" enclosed in parentheses before the integer variable to be converted, the syntax is "integer variable (float)"; 2. Use the floatval() function with the syntax "floatval (integer variable)".

How to convert integer to floating point type in php

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Method 1: In The variable to be converted is preceded by the target type "(float)" enclosed in parentheses

<?php
    header("Content-type:text/html;charset=utf-8");
    $int = 123;
    echo &#39;变量的原类型为:&#39;;
	  var_dump($int);
    $float = (float)$int;
    echo &#39;变量转换后的类型为:&#39;;
	  var_dump($float);
?>

Output:

How to convert integer to floating point type in php

Note:

When the variable type is cast by adding the target type enclosed in parentheses before the variable, the variable types allowed in the parentheses are as follows:

  • (int), (integer): Convert to integer type;

  • (bool), (boolean): Convert to Boolean type;

  • (float), (double), (real): Convert to floating point type;

  • (string): Convert to string type;

  • (array): Convert to array type;

  • (object): Convert to object type.

Method 2: Use floatval() function

<?php
    header("Content-type:text/html;charset=utf-8");
    $int = 547;
    echo &#39;变量的原类型为:&#39;;
    var_dump($int);
    $float = floatval($int);
    echo &#39;变量转换后的类型为:&#39;;
    var_dump($float);
?>

Output:

How to convert integer to floating point type in php

Description: floatval()

floatval - Get the floating point value of the variable

Syntax:

floatval ( mixed $var ) : float

Return The float value of variable var.

Parameter: var can be any scalar type. You cannot use floatval() with arrays or objects.

Recommended learning: "PHP Video Tutorial"

The above is the detailed content of How to convert integer to floating point type in php. 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