How to convert characters to numbers in php

php method to convert characters into numbers: You can use specific types of conversion functions, such as intval(), floatval(), strval(), etc. The intval() function is used to get the integer value of a variable. The floatval() function is used to obtain the floating point value of a variable.

Function introduction:

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intval( ) function is used to obtain the integer value of a variable.

intval() function returns the integer value of variable var by using the specified base conversion (default is decimal). intval() cannot be used with object, otherwise an E_NOTICE error will be generated and 1 will be returned.

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

strval() function is used to get the string value of a variable.

The method is as follows:

Conversion method 1: Add the target type enclosed in parentheses before the variable to be converted, such as (int); (bool); (float); (string ); (array); (object)

Conversion method two: use three specific types of conversion functions, intval(); floatval(); strval()

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Conversion method three: settype();

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