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operations.php
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operations.php
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<?php
$result = '';
if (array_key_exists('operation', $_REQUEST)) {
require('ListOperation.php');
$operation = ucfirst($_REQUEST["operation"]);
if (method_exists('ListOperation', $operation)) {
$left = explode("\n", $_REQUEST['lists'][0]);
$right = explode("\n", $_REQUEST['lists'][1]);
$result = implode("\n", ListOperation::$operation($left, $right));
} else {
$result = "// Unknown list operation.";
}
}
?>
<form name="lists" method="post" action="/lists/operations">
<div class="large-12 columns">
<div class="row">
<div class="large-3 columns">
<h6 class="panel" style="text-align: center;">List A</h6>
<textarea name="lists[0]" rows=20><?= $_REQUEST['lists'][0] ?></textarea>
</div>
<div class="large-1 columns">
<h6 class="panel" style="text-align: center;">Operation</h6>
<label for="operation_add"><input name="operation" value="add" type="radio" id="operation_add"> <i class="gen-enclosed foundicon-plus"> add</i></label>
<label for="operation_intersect"><input name="operation" value="intersect" CHECKED type="radio" id="operation_intersect"> <i class="gen-enclosed foundicon-remove"> intersect</i></label>
<label for="operation_substract"><input name="operation" value="substract" type="radio" id="operation_substract"> <i class="gen-enclosed foundicon-minus"> substract</i></label>
<p>&nbsp;</p>
<p><input type="submit" value="Compute" class="button" /></p>
</div>
<div class="large-3 columns">
<h6 class="panel" style="text-align: center;">List B</h6>
<textarea name="lists[1]" rows=20><?= $_REQUEST['lists'][1] ?></textarea>
</div>
<div class="large-3 columns">
<h6 class="panel" style="text-align: center;">Result</h6>
<textarea name="lists[2]" rows=20><?= $result ?></textarea>
</div>
</div>
</div>
<div style="clear: both;" />
</form>

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