string_charcode [function]
string_charcode( string str, int offset = 0 )
returns the byte value / ASCII character code of the specified byte in the string
string_charcode( "Test" ); // int 84 string_charcode( "Test", 3 ); // int 116
string_charcode( "Test" ); // int 84 string_charcode( "Test", 3 ); // int 116