I want to catch this error:

$a[1] = 'jfksjfks';
try {
      $b = $a[0];
} catch (\Exception $e) {
      echo "jsdlkjflsjfkjl";
}

Edit: in fact, I got this error on the following line: $parse = $xml->children[0]->children[0]->toArray();

php error-handling try-catch
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