How to convert integer type to floating point type by php
Today, I would like to share with you the relevant knowledge of how php converts the whole type into a floating point. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look.
The way php converts an integer into a floating-point type: 1, use the floatval () function, the syntax is "floatval (integer value)"; 2, use the settype () function, and the syntax is "settype (integer value," float ").
Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
Php converts an integer to a floating point type
Method 1: use the floatval () function
The floatval function is used to get the floating-point value of a variable.
Floatval cannot be used with arrays or objects.
Method 2:settype () function
The settype ($var,$type) function sets the variable $var to the specified data type $type.
Description:
The value of $type can be:
"boolean" (or "bool", starting with PHP 4.2.0)
"integer" (or "int", starting with PHP 4.2.0)
"float" (available only after PHP 4.2.0, "double" used in older versions is now disabled)
"string"
"array"
"object"
"null" (since PHP 4.2.0)
The settype () function changes the original variable.
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