How to convert data to decimal in php

Conversion method: 1. Use "bindec(value)" to convert binary to decimal; 2. Use "octdec(value)" to convert octal to decimal; 3. Use "hexdec(value) )", you can convert hexadecimal to decimal; 4. Use "base_convert(value, original base, 10);".

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

php converts data For decimal

1, use the bindec() function--binary number to decimal number

bindec() function converts a binary number to a decimal number.

<?php
echo bindec("0011") . "<br>";
echo bindec("01") . "<br>";
echo bindec("11000110011") . "<br>";
echo bindec("111");
?>

2. Use the octdec() function--octal number to decimal number

octdec() function to convert octal number is a decimal number.

<?php
echo octdec("36") . "<br>";
echo octdec("12") . "<br>";
echo octdec("3063") . "<br>";
echo octdec("106");
?>

3. Use the hexdec() function--hexadecimal number to decimal number

hexdec() function Convert hexadecimal number to decimal number.

<?php
echo hexdec("1e") . "<br>";
echo hexdec("a") . "<br>";
echo hexdec("11ff") . "<br>";
echo hexdec("cceeff");
?>

4. Use the base_convert() function--convert between arbitrary bases

base_convert() function in any base Convert numbers between.

Syntax:

base_convert(number,frombase,tobase);

Parameters	Description
number	Required. Specifies the number to be converted.
frombase	Required. Specifies the original base of the number. Between 2 and 36 (inclusive). Numbers above decimal are represented by the letters a-z, such as a for 10, b for 11, and z for 35.
tobase	Required. Specifies the base to be converted. Between 2 and 36 (inclusive). Numbers above decimal are represented by the letters a-z, such as a for 10, b for 11, and z for 35.

Example: Convert other bases to decimal

<?php
echo base_convert("cceeff",16,10) . "<br>";//16进制转10进制
echo base_convert("3063",8,10) . "<br>";//8进制转10进制
echo base_convert("11000110011",2,10);//2进制转10进制
?>

Recommended study: "PHP Video Tutorial》

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