How to convert letters into ascii code in php

In PHP, you can use the ord() function to convert letters into ASCII codes. This function can return the ASCII value of a single character or the first character in a string in the form of an integer. The syntax is "ord ("letters to be converted")".

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

In php, you can use the ord() function to convert letters into ascii code.

"; echo ord("b")."
"; echo ord("c")."
"; echo ord("d")."
"; echo ord("e")."
"; echo ord("f")."
"; echo ord("g")."

"; echo ord("A")."
"; echo ord("B")."
"; echo ord("C")."
"; echo ord("D")."
"; echo ord("E")."
"; echo ord("F")."
"; echo ord("G")."
"; ?>

65~90 are 26 uppercase English letters, 97~122 are 26 lowercase English letters

Description:

The ord() function can return the ASCII value of a single character or the first character in a string.

Syntax:

ord(string)

Parameters:

• tring Required. The string to obtain the ASCII value from.

Return value:

• Returns the ASCII value in integer form.

Recommended learning: "PHP Video Tutorial"

The above is the detailed content of How to convert letters into ascii code in php. For more information, please follow other related articles on the PHP Chinese website!