fork(2) download 
  1. <?php
  2. ini_set('display_errors', 'On');
  3. ini_set('html_errors', 0);
  4. error_reporting(-1);
  5.  
  6. $array[]=array('a'=>'10003','b'=>'value_3082');
  7. $array[]=array('a'=>'10004','b'=>'value_3083');
  8. $array[]=array('a'=>'10005','b'=>'value_3084');
  9. $array[]=array('a'=>'10005'); //will trigger error OP is seeing
  10.  
  11.  
  12. foreach ($array as $item) {
  13.    $test = $item['b'];
  14.  
  15. echo $test. ' ';
  16. }
Success #stdin #stdout #stderr 0.03s 52480KB
comments ()
stdin 
Standard input is empty
stdout 
value_3082 value_3083 value_3084 
Notice: Undefined index: b in /home/mtvs5L/prog.php on line 13
stderr 
PHP Notice:  Undefined index: b in /home/mtvs5L/prog.php on line 13
https://ideone.com/DYRzpF
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!