How to convert integer to floating point in php

php method to convert integer type to floating point type: 1. Use the floatval() function to obtain the floating point value of the variable. The syntax is "floatval (integer value)"; 2. Use settype( ) function, which can convert variables into specified data types. The syntax is "settype(integer value, "float")".

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

php will integer Convert to floating point

Method 1: Use the floatval() function

The floatval function is used to obtain the floating point value of a variable.

floatval cannot be used with arrays or objects.

<?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);
?>

Method 2: settype() function

settype ($var,$type) function Used to set variable $var to the specified data type $type.

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

Note: The value of

$type can be:

• "boolean" ( or "bool", as of PHP 4.2.0)

• ##"integer" (or "int", as of PHP 4.2.0)

• "float" (only available after PHP 4.2.0, "double" used in older versions is now deprecated)

• "string"

• "array"

• "object"

• "null" (from PHP 4.2.0)

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