On Wed, 2008-10-22 at 10:43 -0500, Boyd, Todd M. wrote: > > -----Original Message----- > > From: Jochem Maas [mailto:jochem@xxxxxxxxxxxxx] > > Sent: Wednesday, October 22, 2008 10:27 AM > > To: php_list@xxxxxxxxxxxxx > > Cc: PHP General > > Subject: Re: Half way > > > > Ian schreef: > > > On 22 Oct 2008 at 6:34, Ron Piggott wrote: > > > > > >> I am tweaking a blog application I have programmed. I am trying to > > >> display a Google ad half through the blog entry, at the first > > available > > >> <br />. > > >> > > >> The code I use so far is: > > >> > > >> $half_way = strlen( nl2br(stripslashes($entry))) /2 ; > > >> $ad_position = strpos ( nl2br(stripslashes($entry)) , "<br />" , > > >> $half_way ); > > >> echo substr( nl2br(stripslashes($entry)) , 0, $ad_position); > > >> > > >> Is there a way to modify my strpos syntax to check and see if the > > >> nearest <br /> is before the half way mark? > > >> > > >> What is tending to happen is the ad is being placed 5/7ths of the > > way > > >> through the blog entry because of the length of the paragraph the > > half > > >> way character falls in. Visually it doesn't look balanced. I > would > > >> prefer the ad display 4/7th of the way through the blog entry in > > those > > >> situations. > > >> > > >> Thanks for helping me. > > > > > > Hi, > > > > > > Disclaimer: Without seeing the actual blog entry this is all guess > > work! > > > > > > Your code above seems to find the half way point in the raw text. > > This is all very well if > > > you do not have paragraphs or other formatting code that can move > > text around once > > > displayed. > > > > > > To overcome this you will have to try and detect the number of > > paragraphs (or formatting > > > code) before the half way point and after it and try and move the > > Google Ad entry to > > > accommodate this. > > > > > > This will involve trial and error to determine an algorithm that > best > > matches your blog > > > entries. > > > > > > Or you could go down the easy route and add some sort of marker > > (database entry or a > > > tag of some sort) to each blog which indicates were the Google ads > > should go. > > > > yeah, hack the WYSWYG editor to add an extra button that inserts a > > marker (e.g. specific > > HTML comment) which you can replace ... WordPress has a tinyMCE hack > > that does something > > like this although in that case it's used to insert markers that allow > > the content to > > be split into multiple pages. > > > > > Personally I prefer the later options as its probably easier ;) > > > > personally I prefer the solution where there is no ad shown at all. > > If it's blogging software he wrote, that doesn't necessarily mean that > it's blogging software he uses exclusively. :) Perhaps he is > distributing this to a user base, or hosting the solution for users on a > web server of his own. If this is the case, then allowing the user (who > will receive no compensation for these ads, I might add--no pun > intended) to decide where the advertisement will go--or if it will go in > at all!--might be counterproductive. > > Maybe I misunderstood. > > > Todd Boyd > Web Programmer > I think your best bet is to find the mid-point of the content (use Ians suggestion of counting paragraphs) which can be done with a regular expression to match <p> tags or <br/><br/> (sometimes you'll find double line breaks instead of paragraph tags if content was copied from Microshaft Word) This should give you the character position which you can then use as an offset in a replace function. Ash www.ashleysheridan.co.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
