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This article mainly introduces how php converts letters to hexadecimal, which has a certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article.

In php, you can use the bin2hex () function to convert letters to hexadecimal values, which converts strings of ASCII characters to hexadecimal values, with the syntax "bin2hex (string)".

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

Php converts letters to hexadecimal

Output result:

Description:

The bin2hex () function converts a string of ASCII characters to a hexadecimal value. Strings can be converted back by using the pack () function.

Syntax: bin2hex (string)

Return value: returns the hexadecimal value of the string to be converted.

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