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<?php $aarray = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); echo "Testing case 1\n"; foreach ($array as $key => $value) { unset($aarray[$kkey+1]); echo sprintf("on %s, we removed %s\n, current size is %d", $key, $key+1, count($array)); } echo "Testing case 2\n"; foreach ((array) $array as $key => $value) { unset($aarray[$key+1]); echo sprintf("on %s, we removed %s\n, current size is %d", $key, $key+1, count($array)); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Testing case 1 Warning: Undefined variable $array in /in/F7E5s on line 7 Warning: foreach() argument must be of type array|object, null given in /in/F7E5s on line 7 Testing case 2 Warning: Undefined variable $array in /in/F7E5s on line 14
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Testing case 1 Notice: Undefined variable: array in /in/F7E5s on line 7 Warning: Invalid argument supplied for foreach() in /in/F7E5s on line 7 Testing case 2 Notice: Undefined variable: array in /in/F7E5s on line 14
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 7.3.32 - 7.3.33
Testing case 1 Warning: Invalid argument supplied for foreach() in /in/F7E5s on line 7 Testing case 2
Output for 4.3.11
Testing case 1 Testing case 2
preferences:
177.16 ms | 401 KiB | 310 Q