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Chapter 7

Chapter 7. Error and Exception Handling. basic_exception.php. <? php try { throw new Exception("A terrible error has occurred", 42); } catch (Exception $e) { echo "Exception ". $e-> getCode (). ": ". $e-> getMessage ()."< br />".

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Chapter 7

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  1. Chapter 7 Error and Exception Handling

  2. basic_exception.php <?php try { throw new Exception("A terrible error has occurred", 42); } catch (Exception $e) { echo "Exception ". $e->getCode(). ": ". $e->getMessage()."<br />". " in ". $e->getFile(). " on line ". $e->getLine(). "<br />"; } ?>

  3. basic_exception.php • http://www.nku.edu/~frank/csc301/Examples/PHP_Exceptions/basic_exception.php

  4. PHP Exception Class • http://www.php.net/manual/en/class.exception.php

  5. User_defined_exception.php <?php class myException extends Exception { function __toString() { return "<table border=\"1\"> <tr> <td><strong>Exception ".$this->getCode()." </strong>: ".$this->getMessage()."<br />"." in ".$this->getFile()." on line ".$this->getLine()." </td> </tr> </table><br />"; } }

  6. User_defined_exception.php try { throw new myException("A terrible error has occurred", 42); } catch (myException $m) { echo $m; } ?>

  7. Bob’s Auto Parts • http://www.nku.edu/~frank/csc301/Examples/PHP_Exceptions/orderform.html • http://www.nku.edu/~frank/csc301/Examples/PHP_Exceptions/processorder_php.pdf • http://www.nku.edu/~frank/csc301/Examples/PHP_Exceptions/file_exception_php.pdf

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