PHP Try Catch Exception & Error Handling Tutorial

Today, We want to share with you PHP Try Catch Exception & Error Handling Tutorial.In this post we will show you wordpress plugin require another plugin, hear for Exception Handling & Error Reporting – PHP Tutorial we will give you demo and example for implement.In this post, we will learn about Using PHP try catch throw Techniques to Handle Exceptions with an example.

PHP Try Catch Exception & Error Handling Tutorial

There are the Following The simple About PHP Try Catch Exception & Error Handling Tutorial Full Information With Example and source code.

As I will cover this Post with live Working example to develop Throwing exceptions in a PHP Try Catch block, so the PHP 5 Exception Handling using try, catch and throw is used for this example is following below.

What is an Exception?

PHP – An error is an unexpected computer program result data that cannot be handled by the computer program itself.

PHP Error handling is the one type process of catching all the errors raised by your main computer program and then taking related/appropriate action.

Introduction To PHP Exception Handling,What is an Exception,Try, throw and catch,Custom Exception Class,Multiple,Re-throwing,Set a Top Level Exception Handler.

PHP Error handling

• Die statements
• Custom error handlers
• PHP error reporting

Source of the native class Exception Source Code : PHP Try Catch Exception

PHP try, throw and catch

Error handling examples

creating a function containing a potential exception

 1) {
      throw new Exception('The Data value has to be 1 or lower');
    }
    return true;
  }

  try {
    statusNumber(2);
    echo 'The Data value is 1 or lower';
  } catch(Exception $e) {
    echo 'Message: ' .$e->getMessage();
  }
?>

PHP Custom Exception Class

getLine().' in '.$this->getFile()
        .': '.$this->getMessage().' is no valid E-Mail address';
      return $error_msg;
    }
  }

  $email = "[email protected]";

  try {
    if(filter_var($email, FILTER_VALIDATE_EMAIL) === FALSE) {
      throw new generalException($email);
    }
  } catch (generalException $e) {
    echo $e->error_message();
  }
?>

PHP Multiple Exceptions Handling

getLine().' in '.$this->getFile()
        .': '.$this->getMessage().' is no valid E-Mail address';
      return $error_msg;
    }
  }

  $email = "[email protected]";

  try {
    if(filter_var($email, FILTER_VALIDATE_EMAIL) === FALSE) {
      throw new generalException($email);
    }
    if(strpos($email, "example") !== FALSE) {
      throw new Exception("$email contains'example'");
    }
  }
  catch (generalException $e) {
    echo $e->error_message();
  }
  catch(Exception $e) {
    echo $e->getMessage();
  }
?>

PHP Re-Throwing Exceptions

In this example learn to :checking for “gmail” in mail address, throwing an exception if email is not valid, re-throwing exception, display custom message in PHP Try Catch Exception.

getMessage().' is no valid E-Mail/gmail address.';
      return $error_msg;
    }
  }

  $email = "[email protected]";

  try {
    try {
      if(strpos($email, "gmail") !== FALSE) {
        throw new Exception($email);
      }
    } catch(Exception $e) {
      throw new generalException($email);
    }
  } catch (generalException $e) {
    echo $e->error_message();
  }
?>

Top Level Exception Handler in PHP

Your Exception is  " . $exception->getMessage();
  }

  set_exception_handler('CustomException');

  throw new Exception('Sorry!!, Uncaught Exception has been caught');
?>

Simple PHP Exception Handling

1. php exception class
2. php try catch fatal error
3. php exception types
4. php catch warning
5. set_exception_handler
6. php exception codes

Basic Usage

1) {
    throw new Exception("The value has to be 1 or lower");
  }
  return true;
}

check_num(3);
?>

PHP Try Catch: Basics & Advanced PHP Exception Handling Tutorial

Simple PHP try catch example

try {
    // run your simple PHP code here
}
catch (exception $e) {
    //PHP code to handle the error/exception
}
finally {
    //here optional source code that always runs
}

PHP try catch with multiple exception types

try {
    // run simple your PHP code here
}
catch (Exception $e) {
    echo $e->getMessage();
}
catch (InvalidArgumentException $e) {
    echo $e->getMessage();
}

Global PHP exception handling

function custome_global_exception_handler($exception) {
    echo "Our Exception:" . $exception->getMessage();
}

set_exception_handler(‘custome_global_exception_handler’);

PHP Exception Handling Examples:

Exception handling in PHP:

getMessage(); 
		} 
		
		echo "\n After catch (will be always executed)"; 
} 

website(5); 
website(0); 
?> 

normal try catch and finally block in PHP

getMessage(); 
	} 
	finally { 
		echo "\n Here cleanup activity will be done"; 
	} 
		
	echo "\n After catch it will be always executed"; 
} 


website(5); 

website(0); 
?> 

Custom Exception Class

getLine(). 
					' in '.$this->getFile() 
		.$this->getMessage().' is number zero'; 
		return $errorMsg; 
	} 
} 

function website($a) { 
	try { 
		if($a == 0) { 
			throw new myException($a); 
		} 
	} 
	
	catch (myException $e) { 
		echo $e->get_Message(); 
	} 
} 

website(5); 
website(0); 
?> 

Web Programming Tutorials Example with Demo

Read :

• Jobs
• Make Money
• Programming

Summary

You can also read about AngularJS, ASP.NET, VueJs, PHP.

I hope you get an idea about PHP Try Catch Exception & Error Handling Tutorial.
I would like to have feedback on my infinityknow.com blog.
Your valuable feedback, question, or comments about this article are always welcome.
If you enjoyed and liked this post, don’t forget to share.