How to change data type in php

Methods to change the data type: 1. Forced type conversion, add the target type enclosed in parentheses before the variable to be converted. Example "(int)3.14"; 2. Use the specific type conversion functions intval(), floatval() and strval(); 3. Use the general type conversion function settype().

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

Method 1. Forced type conversion- -Add the target type enclosed in parentheses

before the variable to be converted. The PHP data types allowed for conversion are:

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

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

• (string) : Convert to string

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

• (array): Convert to array

• (object): Convert to object

Example:

Method 2: Use a specific type conversion function , intval(), floatval(), strval()

Method 3: Use the general type conversion function settype()

Instructions: settype( ) function is used to set the type of a variable. The syntax is as follows:

settype ( $var , $type )

Set the type of variable var to type.

Recommended learning: "

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