Re: problem with eval()

On Thu, 13 Jul 2000, Rasmus Lerdorf wrote: > > I have an 'application' which parses a given file, > > which contains HTML & PHP3. For the HTML lines the > > application writes the line to Dest_File. > > For the PHP3 lines it's suppossed to interpret these > > using the eval() statement, and depending on the PHP3 > > different text would be written out to the Dest_File. > > except that doesn't work. > > > > here's my code > > > > (the contents of $complete_code has been read from > > SRC_FILE) > > > > $complete_code='if ($value == $today) echo "Hello > > World";'; > > $temp_string = addslashes($complete_code); > > eval("\new_string=\"$complete_code\";"); > > > > The value of $new_string is then: > > > > if (1 == 1) echo "Hello World"; > > > > instead of "Hello World" or "" > > > > any help on this would be very much appreciated. > > The behaviour you see makes perfect sense to me. Expand what you are > feeding eval() yourself: > > (I assume missing the $ in front of new_string was just a typo) > > $new_string = "if ($value == $today) echo \"Hello World\";" > > You probably want something along the lines of: > > $complete_code = '($value == $today) ? "Hello World" : ""'; > > and then > > eval("\$new_string = \"$complete_code\";); Actually, get rid of the \"'s there. -Rasmus