string(4) "ZZZZ"
object(Exception_Connect_FunctionsSQL_PDO)#20 (7) {
  ["message":protected]=>
  string(18) "Invalid connection"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(0)
  ["file":protected]=>
  string(71) "/var/www/html/editura-art.ro/include/classes/class.FunctionsSQL_PDO.php"
  ["line":protected]=>
  int(305)
  ["trace":"Exception":private]=>
  array(18) {
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    array(5) {
      ["file"]=>
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      ["line"]=>
      int(152)
      ["function"]=>
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      string(71) "/var/www/html/editura-art.ro/include/classes/class.FunctionsSQL_PDO.php"
      ["line"]=>
      int(360)
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    [2]=>
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      string(80) "/var/www/html/editura-art.ro/include/classes/classes.FunctionsSQL_PDO_cached.php"
      ["line"]=>
      int(242)
      ["function"]=>
      string(5) "query"
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    [3]=>
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      string(71) "/var/www/html/editura-art.ro/include/classes/class.FunctionsSQL_PDO.php"
      ["line"]=>
      int(516)
      ["function"]=>
      string(5) "query"
      ["class"]=>
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    [4]=>
    array(5) {
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      ["line"]=>
      int(623)
      ["function"]=>
      string(3) "all"
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    [5]=>
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      ["file"]=>
      string(63) "/var/www/html/editura-art.ro/include/steps/AStep_util_start.php"
      ["line"]=>
      int(15)
      ["function"]=>
      string(4) "many"
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  ["previous":"Exception":private]=>
  NULL
}