How to convert characters to ascii in php: first define two integer variables a and A, and save the ASCII codes of the corresponding letters; then define the character variable ch, and assign the capital letter A to the integer variable A; Finally, convert A to ASCII code.
How to convert characters to ascii in php:
Convert a string (also practical in Chinese) to ascii
Note: I default that our current php file environment is UTF-8. If it is GBK
, the mb_convert_encoding
operation is not required
public function strtoascii($str){ $str=mb_convert_encoding($str,'GB2312'); $change_after=''; for($i=0;$i<strlen($str);$i++){ $temp_str=dechex(ord($str[$i])); $change_after.=$temp_str[1].$temp_str[0]; } return strtoupper($change_after); }
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