How to convert decimal to hexadecimal in php

php method to convert decimal to hexadecimal: 1. Use the dechex() function, the syntax "dechex($number)"; 2. Use the base_convert() function, the syntax "base_convert($number, 10,16)”.

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

php converts decimal into hexadecimal

1. Use the dechex() function

dechex($number)function to convert decimal Number$numberis converted into a hexadecimal number.

"; echo dechex("10") . "
"; echo dechex("1587") . "
"; echo dechex("70"); ?>

#2. Use the base_convert() function

base_convert() function to convert numbers between arbitrary bases.

base_convert(number,frombase,tobase);

• 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.

"; echo "十进制 ".$num2." 转换成十六进制 ".base_convert($num2,10,16)."
"; ?>

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