How to convert characters in php ascii

php ASCII conversion method: first use the header method to set the encoding format of the page to utf8; then save the ASCII value to be converted in the $order variable; then use the chr function to convert the ASCII value into characters ; Finally, use echo to output the result.

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Convert ASCII values ​​to characters in php

Create a new php file named test.php to explain how to convert ASCII values ​​into characters in php.

In the test.php file, use the header() method to set the encoding format of the page to utf-8 to avoid outputting Chinese garbled characters.

In the test.php file, save the ASCII value to be converted in the $order variable, for example, the ASCII value here is a hexadecimal value 0x61.

In the test.php file, use the chr() function to convert the ASCII value from the previous step into characters and save it in the $res variable.

In the test.php file, use echo to output the results on the page.

Open the test.php file in the browser to view the results.

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