PHP array hint notice:undefined offset workaround _php Tutorial

We often encounter arrays when using the array does not exist, resulting in our Jean array[100] such when there is notice:undefined offset error, let me show you how to solve this problem

Cases:

The code is as follows	Copy Code
$array [1] = ' www.bKjia.c0m '; echo $array [0];

The input result is

notice:undefined offset:1 in d:wwwrootwraskseo404.php on line 5 let's see the solution.

Solving the problem is as simple as

The code is as follows	Copy Code
echo isset ($array [0]) $array [0]: ' array undefined ';

This will be a good solution to the problem.

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