It seems to work fine for me. Are you sure you aren’t just using a too common word? I also get 100% hits on the search term ‘the’ on the sites I tested. Remember that you are searching through the source, not what’s displayed in a browser.
And just a small code review change, I have:
[ul][li]Split the logic and the view[/li]
[li]Wrapped the site checking in a function[/li]
[li]Removed break-tags as design should be done with css[/li]
[li]Cleaned up the loop code, not relying on indexes, using trim instead of str_replace, etc[/li]
[li]Changed status text to a status icon[/li][/ul]
[php]
<?php
function checkSitesForWord($search, $sitesFile = "phpelist.txt") {
$allads = file($sitesFile);
$result = array();
foreach($allads as $url) {
$data = file_get_contents(trim($url));
$result[$url] = (stripos($data, $search) !== false) ? 'online' : 'offline';
}
return $result;
}
$result = checkSitesForWord('pizza');
?>
ul#sites { list-style-type: none; padding-left: 0; }
ul#sites li { font-weight: bold; }
ul#sites span { float: left; margin: 0 10px 0 0; width: 16px; height: 16px; }
ul#sites .icon-online { background-image: url(data:image/png;base64,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); }
ul#sites .icon-offline { background-image: url(data:image/png;base64,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);
Checking urls:
<?php foreach ($result as $site => $status) {?>
-
<?= $site ?>
<?php } ?>
I verified all urls from file![/php]
