How to force conversion of data types in php

How to force conversion of data types in php: Add the target type enclosed in parentheses before the variable to be converted to complete the forced type conversion, such as: [(int), (integer)] converted to Integer type; [(string)] is converted into a string.

In PHP, the forced type conversion can be completed by adding the target type enclosed in parentheses before the variable to be converted.

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

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

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

• (string) Convert to string

• (array) Convert to array

• (object) Convert to object

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Example:

<?php
var_dump((bool) ""); // bool(false)
var_dump((bool) 1); // bool(true)
var_dump((bool) -2); // bool(true)
var_dump((bool) "foo"); // bool(true)
var_dump((bool) 2.3e5); // bool(true)
var_dump((bool) array(12)); // bool(true)
var_dump((bool) array()); // bool(false)
var_dump((bool) "false"); // bool(true)
?>

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