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types of errors in php

@CodeGrepperManu answered on September 24, 2022 Popularity 9/10 Helpfulness 5/10

answer types of errors in php

types of errors in php

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Types of Error:
1] Notice Error:
	Trying to access undefined variables. This kind of error will not stop the execution of the program.
	<?php
		$x = 1;
		print $x;
		print $y;
	?>
	By default notice error will not display, because of error_reporting(E_ALL & ~E_NOTICE)
	to display error_reporting(E_ALL);
2] Warning Error:	
	Trying to access undefined constants. This kind of error will not stop the execution of the program.
	In PHP constants can declare constants using define() function.
	<?php
		define("emp_name","Kumar D");
		print constant("emp_name");
		print constant("emp_id");
	?>
3] Fatal Error:
	Trying to access undefined function, this kind of error will stop the execution of the script, from the line where
	error occured.
	<?
		function fun1(){
			echo "I am from function fun1";
		}
		fun1();
		fun2();
	?>
4] Parse Error:
	Stop the complete execution of the program, if there is any syntax mismatch.
	<?php
		echo "I am PHP Developer";
		echo "I am Node Developer" 		// Semicolon not added, getting error. 
		echo "I am MySQL Developer";
	?>

<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
?>

<?php
error_reporting(E_ALL & ~E_NOTICE); // if don't want to see notice
// Or
error_reporting(E_ALL);
?>

Popularity 9/10 Helpfulness 5/10 Language php

Source: Grepper

Tags: php types

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Contributed on Sep 24 2022

@CodeGrepperManu

0 Answers Avg Quality 2/10

types of errors in php

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