How to convert letters to ascii code in php
In php, you can use the ord() function to convert letters to 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(“The letter that needs 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 to ascii codes.
In php, you can use the ord() function to convert letters to ascii codes.
Example:
echo ord("a")."
";
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
illustrate:
The ord() function can return the ASCII value of a single character or the first character in a string.
grammar:
1
ord(string)
parameter:
string Required. The string to get the ASCII value from.
return value:
Returns the ASCII value as an integer.