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I'm learning PHP for loop and this is a problem I couldn't quite understand. Could anyone please help me to explain the difference in the results of these two codes? <?php for ($i=0; $i<10;$i++) // the result is 02468 {echo $i++;} ?> <?php for ($i=0; $i<10;$i++) // the result is 13579 {echo ++$i;} ?> I know the difference here lies in $i++ (post-increment) and ++$i (pre-increment). However, I couldn't figure out the process that PHP works to give out the results. Can anyone help me with these? Thank you very much.
