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<?php $array = array('a', 'b', 'c', 'd', 'e', 'f'); foreach($array as $key => $value) { unset($arr[$key+1]); echo $value . "\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $arr in /in/Ah7lT on line 6 a Warning: Undefined variable $arr in /in/Ah7lT on line 6 b Warning: Undefined variable $arr in /in/Ah7lT on line 6 c Warning: Undefined variable $arr in /in/Ah7lT on line 6 d Warning: Undefined variable $arr in /in/Ah7lT on line 6 e Warning: Undefined variable $arr in /in/Ah7lT on line 6 f
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: arr in /in/Ah7lT on line 6 a Notice: Undefined variable: arr in /in/Ah7lT on line 6 b Notice: Undefined variable: arr in /in/Ah7lT on line 6 c Notice: Undefined variable: arr in /in/Ah7lT on line 6 d Notice: Undefined variable: arr in /in/Ah7lT on line 6 e Notice: Undefined variable: arr in /in/Ah7lT on line 6 f
Output for 7.3.32 - 7.3.33
a b c d e f
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: arr in /in/Ah7lT on line 6 a Notice: Undefined variable: arr in /in/Ah7lT on line 6 b Notice: Undefined variable: arr in /in/Ah7lT on line 6 c Notice: Undefined variable: arr in /in/Ah7lT on line 6 d Notice: Undefined variable: arr in /in/Ah7lT on line 6 e Notice: Undefined variable: arr in /in/Ah7lT on line 6 f

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280.59 ms | 402 KiB | 448 Q