Unlike the Linux kernel ABI (and I think the JRE bytecode spec), PHP never made a "write once, run eternally" commitment. And stuff from 20 years ago is likely

Unlike the Linux kernel ABI (and I think the JRE bytecode spec), PHP never made a "write once, run eternally" commitment. And stuff from 20 years ago is likely to be riddled with bugs, not sure when exactly mysqli with prepared statements entered the field.