Re: RE: PHP 4.0 Bug #8472 Updated: calling a function in a regular ex pression

check preg_replace() and the 'e' modifier. http://docs.wad.cz/php/function.preg-replace.html http://docs.wad.cz/php/pcre.pattern.modifiers.html At 13:05 8.1. 2001, Simon Southwood wrote the following: -------------------------------------------------------------- >fine, but then how is it possible to call a function withing 'ereg_replace' >which refers to \\1 ??? >is this possible, because if it isn't, it should be. > >-----Original Message----- >From: Bug Database [mailto:php-dev@lists.php.net] >Sent: Monday, January 08, 2001 1:59 PM >To: simon.southwood@sportal.net >Subject: PHP 4.0 Bug #8472 Updated: calling a function in a regular >expression > > >ID: 8472 >Updated by: cynic >Reported By: simon.southwood@sportal.net >Old-Status: Open >Status: Closed >Bug Type: *Regular Expressions >Assigned To: >Comments: > >This is a user error: > ># 34 + 5 = 39 >print(image("34")); > >$pat="%image([0-9])%"; > ># "fdg" . ( "\\1" + 5 ) ... i. e. "fdg5" >$rep="fdg".image("\\1"); > >why is \\1 not replaced with the imageID? > > ># ereg_replace( "%image([0-9])%" , "fdg5" , $html ) >$html=ereg_replace($pat, $rep, $html); > > >Previous Comments: >--------------------------------------------------------------------------- > >[2001-01-08 01:53:37] simon.southwood@sportal.net >haven't tried 4.0.4, so i don't know. > - will try to convince the admin here to upgrade ... > >--------------------------------------------------------------------------- > >[2001-01-05 23:21:01] sniper@php.net >Have you tried PHP 4.0.4 ? Does this happen with it? > >--Jani > >--------------------------------------------------------------------------- > >[2000-12-29 05:18:54] simon.southwood@sportal.net >oops >$html=$html="<%image1%>some junk in here<%image2%>even more junk in >here<%image3%>and some more for good measure<%image4%>"; > >--------------------------------------------------------------------------- > >[2000-12-29 04:53:38] simon.southwood@sportal.net >function image($arrayRef) >{ >$arrayRef += 5; >return $arrayRef; >} >$html="<%image1%>some junk in here<%image2%>even more junk in >here<%image3%>and some more for good measure<%image4%> >print(image("34")); >$pat="%image([0-9])%"; >$rep="fdg".image("\1"); >$html=ereg_replace($pat, $rep, $html); > >/* >the function works fine if "$arrayRef += 5;" is commented out (it returns >exactly whatever "\1" is. >it also works fine when called with either a string or an integer as >argument, called outside the regexp function. > >however, inside the regexp it always returns 5. > >i dunno if this is a bug, if not then i do apologise, and i'll find another >way of doing this. >*/ > >--------------------------------------------------------------------------- > > >Full Bug description available at: http://bugs.php.net/?id=8472 > >-- >PHP Development Mailing List <http://www.php.net/> >To unsubscribe, e-mail: php-dev-unsubscribe@lists.php.net >For additional commands, e-mail: php-dev-help@lists.php.net >To contact the list administrators, e-mail: php-list-admin@lists.php.net ------end of quote------ ____________________________________________________________ Cynic: A member of a group of ancient Greek philosophers who taught that virtue constitutes happiness and that self control is the essential part of virtue. cynic@mail.cz