Solution to phpord function and Chinese garbled characters

Phpstring function, definition and usage: the ord () function returns the ascii value of the first character of the string. syntax: Required for string description of the ord (string) parameter. the string from which the ascii value is obtained. ec... php string function, definition and usage: the ord () function returns the ascii value of the first character of the string.

Syntax:Ord (string)

Parameter description

String is required. the string from which the ascii value is obtained.

Echo ord ('I'); only 230 is returned here. I saved the file in u8 and output it. only 230 is returned, and 230 is converted to hex e6, in fact, in u8, my code is e68891, so you can understand it. In fact, it only gets the first byte.

Echo chr (0xe6 ). chr (0x88 ). chr (0x91); in this example, I can output this Chinese character in u8. as you can see, this Chinese character is obtained after three chr times. The code is as follows: