Comments on: Code Snippet: Trimming text on word boundaries in PHP

By: FG

FG — Wed, 17 Dec 2008 06:15:09 +0000

$text = wordwrap($text, $max_length, “\n”);
$text = strstr($text, “\n”, true);

// wordwrap will insert “\n” at $max_length intervals conforming to word boundaries
// strstr as of 5.3.0 will return $text upto the first “\n”

By: Harry Fuecks

Harry Fuecks — Wed, 17 Dec 2008 01:30:14 +0000

Ummm – http://www.reddit.com/r/PHP/comments/7juw9/code_snippet_trimming_text_on_word_boundaries_in/c06v3xr

By: Doug

Doug — Wed, 17 Dec 2008 00:51:29 +0000

Just double-checked strrpos() and the offset is where it stops scanning for characters and not where is starts so using it would find the first space after the requested text length and not the one preceeding it. I have updated the code to use strrpos in a different way to get rid of the loop.

By: Doug

Doug — Wed, 17 Dec 2008 00:16:50 +0000

frans: Cool. I wasn’t aware of the offset parameter was available in strrpos().

By: frans

frans — Wed, 17 Dec 2008 00:05:49 +0000

Instead of

while ( ($text_length > 0)
&& (substr($text, $text_length – 1, 1) != ” “))
$text_length–;
if ($text_length <= 0)

you could say

$text_length = strrpos($text, ‘ ‘, $text_length);
if ($text_length === false)