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98 lines
1.8 KiB
98 lines
1.8 KiB
<?php
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require_once('_head.php');
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$DATASTORE = 'writable/datastore.txt';
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mkheader('files!', '#aaa');
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?>
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<body>
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<!-- ======================================================= -->
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<?php
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if (file_exists($DATASTORE)) {
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$data = file_get_contents($DATASTORE);
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} else {
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$data = "";
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}
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if ($_SERVER['REQUEST_METHOD'] == "GET") {
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?>
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<form name="datastore" action="" method="POST">
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<textarea name="data" rows="10" cols="80"><?php
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print $data;
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?></textarea>
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<input type="submit" name="submit" value="Save" />
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</form>
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<?php
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} else {
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$data = $_POST['data'];
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$handle = fopen($DATASTORE, 'w');
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fwrite($handle, str_replace(array("\r\n"), "\n", $data));
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fclose($handle);
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?>
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<p>Saved!</p>
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<p>
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<em><a href="<?php echo $_SERVER['PHP_SELF']; ?>">clear this message</a></em>
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</p>
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<?php
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}
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?>
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<!-- ======================================================= -->
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<pre><?php
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// do nothing!
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$handle = fopen($DATASTORE, 'r');
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fclose($handle);
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print "didn't actually do anything here ...";
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?></pre>
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<!-- ======================================================= -->
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<pre><?php
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// get everything!
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echo file_get_contents($DATASTORE);
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?></pre>
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<!-- ======================================================= -->
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<pre><?php
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$lines = file($DATASTORE);
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foreach($lines as $key => $line) {
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$linenum = $key + 1;
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print "Line $linenum: $line";
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}
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?></pre>
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<!-- ======================================================= -->
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<pre><?php
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$handle = fopen($DATASTORE, 'r');
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$first24chars = fread($handle, 24);
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fclose($handle);
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print $first24chars;
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?></pre>
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</body>
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</html>
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