How to convert array to hexadecimal in php

Conversion method: 1. Use the implode() function to convert the array into a string. The connector between elements is a null character. The syntax is "implode($arr)" or "implode("",$arr) "; 2. Use the bin2hex() function to convert the string into a hexadecimal value, the syntax is "bin2hex (string)".

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

In PHP, the array cannot be directly converted to Hexadecimal, but can be converted indirectly with the help of strings.

• First use the implode() function to convert the array into a string

• Then use the bin2hex() function to convert the string into hexadecimal System value

Implementation example:

";
$hex = bin2hex($bin);
echo "十六进制值：".$hex."
";
?>

Description:

implode() function returns an array element The combined string. (The alias of the implode() function is also called the join() function.)

implode(separator,array)

#bin2hex() function converts a string of ASCII characters into a hexadecimal value.

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