How to convert characters into numbers in php

php method to convert characters into numbers: 1. Add the target type enclosed in parentheses before the variable to be converted; 2. Use 3 specific types of conversion functions, namely "intval() ”, “floatval()” and “strval()” functions.

php method of converting characters into numbers

There are two methods:

1. The first conversion method: add the target type enclosed in parentheses before the variable to be converted, such as (int); (bool); (float); (string); (array); (object)

2. The second conversion method: use three specific types of conversion functions, intval(); floatval(); strval()

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