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<?php $array = array(2,5,9,12); $ct=0; foreach ($array as $id) { if (++$ct%2==0) echo 'użytkownik id='.$id.' jest kolegą użytkownika id='.next($arr).'<br/>'; prev($arr); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: prev(): Argument #1 ($array) must be of type array, null given in /in/v7LvC:9 Stack trace: #0 /in/v7LvC(9): prev(NULL) #1 {main} thrown in /in/v7LvC on line 9
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: prev() expects parameter 1 to be array, null given in /in/v7LvC on line 9 Warning: next() expects parameter 1 to be array, null given in /in/v7LvC on line 8 użytkownik id=5 jest kolegą użytkownika id=<br/> Warning: prev() expects parameter 1 to be array, null given in /in/v7LvC on line 9 Warning: prev() expects parameter 1 to be array, null given in /in/v7LvC on line 9 Warning: next() expects parameter 1 to be array, null given in /in/v7LvC on line 8 użytkownik id=12 jest kolegą użytkownika id=<br/> Warning: prev() expects parameter 1 to be array, null given in /in/v7LvC on line 9
preferences:
175.22 ms | 404 KiB | 182 Q