14 lines
322 B
PHP
14 lines
322 B
PHP
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<?php
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require_once("usertable.php");
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try {
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$user = $db->real_escape_string($_REQUEST['user']);
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$q = $db->query("select * from user where name='$user';");
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if ($q->num_rows==0) {
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echo json_encode($_REQUEST['user']);
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} else {
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echo json_encode(null);
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}
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} catch (Exception $e) {
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echo json_encode(null);
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}
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?>
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