Sphider is an open source lightweight web spider and search engine written in PHP, using MySQL as its back-end database. It is used widely in thousands of sites an can be easily expanded to support searching Adobe PDFs and Word docs.
More info here: http://www.sphider.eu/
The mod
Off-the-shelf, Sphider only returns one portion of a document in which the searched keyword is found. With this mod, Sphider will display as many as 5 portions of a document instead:
replace lines 564 to 572 in searchfunctions.php:
$begin_pos = max(0, $places[$begin] - 30);
$fulltxt = substr($fulltxt, $begin_pos, $desc_length);
if ($places[$begin] > 0) {
$begin_pos = strpos($fulltxt, " ");
}
$fulltxt = substr($fulltxt, $begin_pos, $desc_length);
$fulltxt = substr($fulltxt, 0, strrpos($fulltxt, " ")) ;
$fulltxt = $fulltxt;
}
with this:
$tempfulltxt ="";
$begin_pos = max(0, $places[$begin] - 30);
$tempfulltxt = substr($fulltxt, $begin_pos, $desc_length);
if ($places[$begin] > 0) {
$begin_pos = strpos($tempfulltxt, " ");
}
$tempfulltxt = substr($tempfulltxt, $begin_pos, $desc_length);
$tempfulltxt = substr($tempfulltxt, 0, strrpos($tempfulltxt, " ")) ;
$text_a = "<ul><li>" . $tempfulltxt . "</li>";
$idx = 0;
while ($idx < count($places) && $idx < 5) {
if ($idx <> $begin) {
$tempfulltxt ="";
$begin_pos = max(0, $places[$idx] - 30);
$tempfulltxt = substr($fulltxt, $begin_pos, $desc_length);
if ($places[$idx] > 0) {
$begin_pos = strpos($tempfulltxt, " ");
}
$tempfulltxt = substr($tempfulltxt, $begin_pos, $desc_length);
$tempfulltxt = substr($tempfulltxt, 0, strrpos($tempfulltxt, " ")) ;
if ($tempfulltxt<> "")
$text_a .= "<li>" . $tempfulltxt . "</li>";
}
$idx++;
}
}
$fulltxt= $text_a . "</ul>";
$text_a="";
This entry was posted
on Tuesday, October 28th, 2008 at 5:43 pm and is filed under php.
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thats lovely but it just changes my look and feel. i dont like the ul thing
You can replace the ul tags with divs and style the divs with CSS classes with display:table, display table:row and display:table-cell.
See http://www.quirksmode.org/css/display.html
Loved this mod, thank you very much.
I changed the limit from 5 results to 10 by modifying this line:
while ($idx < count($places) && $idx < 5) {