How to convert data into binary in php

How to convert binary: 1. Use the decbin() function to convert decimal to binary, the syntax is "decbin("decimal value")"; 2. Use the base_convert() function to convert any To convert other bases to binary, the syntax is "base_convert("data value", original base value, 2)".

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

Binary Conversion between numbers and decimal numbers

##1, Convert decimal numbers to binary numbers

You can use

decbin(decimal value) function, which converts decimal numbers into binary numbers.

<?php
echo decbin("3") . "<br>";
echo decbin("1") . "<br>";
echo decbin("1587") . "<br>";
echo decbin("7");
?>

Output result:

#2. Convert any other base to binary number

You can use base_convert () function converts numbers between arbitrary bases.

Syntax:

base_convert(number,frombase,tobase);

ParametersDescriptionRequired. Specifies the number to be converted. 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. 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.

number
frombase
tobase

You only need to set the parameter tobase to 2 to convert any other base number into a binary number

Example:

<?php
echo base_convert("3",10,2) . "<br>";
echo base_convert("ff",16,2) . "<br>";
echo base_convert("2003001",17,2) . "<br>";
echo base_convert("JZG8X",36,2);
?>

Output Result:

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