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36 lines
927 B
PHP
36 lines
927 B
PHP
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<div class="nav">
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<?php
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$dh = opendir('./');
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while (false !== ($filename = readdir($dh))) {
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if (preg_match('/^[a-z0-9]+\.html$/i', $filename)) {
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$files[] = $filename;
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}
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}
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$fcount = count($files);
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$parts = explode("/", $_SERVER['SCRIPT_NAME']);
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$curfile = end($parts);
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$prevfile = '';
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$nextfile = '';
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// echo $fcount, $curfile;
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// print_r($files);
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for ($i=0; $i<$fcount; $i++) {
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if ($curfile == $files[$i]) {
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$prevfile = $files[$i-1];
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$nextfile = $files[$i+1];
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if ($i == 0) {
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$prevfile = $files[$fcount-1];
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$nextfile = $files[1];
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}
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elseif ($i == $fcount-1) {
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$prevfile = $files[$i-1];
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$nextfile = $files[0];
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}
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}
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}
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echo '<a href="'.$prevfile.'">Previous</a> <a href="./">Examples</a> <a href="'.$nextfile.'">Next</a>';
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?>
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</div>
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