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Removing prepositions [message #174262]

Mon, 30 May 2011 01:32

jwcarlton
Messages: 76
Registered: December 2010

Karma:

Member

I'm pretty sure that the answer to this is "no", but I thought I'd
ask, anyway.

Is there a better way to remove prepositions from a string than
putting them all in an array manually, then using str_ireplace()?

Here's what I'm currently doing, but I'm looking for a way to speed it
up:

// roughly 200 words and phrases here
$prepositions = array("a", "an", "as", "at", ...);

// remove non alphanumeric
$string = preg_replace("/[^a-zA-Z0-9\s]/", "", $string);

// convert \s to -
$string = preg_replace("/ /", "-", $string);

// remove prepositions
$string = str_ireplace($prepositions, "", $string);

// shorten $string
if (strlen($string) > 50)
$string = substr($string, 0, 50);

If it matters, I'm using this in a message board, and I'm plugging the
subject into the link to the thread (for search engines). Since I'm
limiting the length to 50 characters, I want to make sure that as many
keywords as possible are in there.

TIA,

Jason

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[Message index]

		Removing prepositions By: jwcarlton on Mon, 30 May 2011 01:32
		Re: Removing prepositions By: Jerry Stuckle on Mon, 30 May 2011 03:20
		Re: Removing prepositions By: richard on Mon, 30 May 2011 04:06
		Re: Removing prepositions By: jwcarlton on Mon, 30 May 2011 07:08
		Re: Removing prepositions By: Jerry Stuckle on Mon, 30 May 2011 13:00
		Re: Removing prepositions By: jwcarlton on Mon, 30 May 2011 22:13
		Re: Removing prepositions By: Jerry Stuckle on Tue, 31 May 2011 00:15
		Re: Removing prepositions By: jwcarlton on Tue, 31 May 2011 00:36
		Re: Removing prepositions By: Jerry Stuckle on Tue, 31 May 2011 02:47
		Re: Removing prepositions By: jwcarlton on Tue, 31 May 2011 03:35
		Re: Removing prepositions By: Jerry Stuckle on Tue, 31 May 2011 11:43
		Re: Removing prepositions By: jwcarlton on Tue, 31 May 2011 16:28
		Re: Removing prepositions By: Michael Fesser on Mon, 30 May 2011 23:10
		Re: Removing prepositions By: Jerry Stuckle on Tue, 31 May 2011 00:18

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