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<?php $array = array('leg1'=>'LA', 'leg2'=>'NY', 'leg3'=>'NY', 'leg4'=>'NY', 'leg5'=>'FL'); $keys = array_keys($array); for ($i = 0; $i < count($keys); $i++) { $cur = $array[$keys[$i]]; $next = $array[$keys[$i+1]]; }
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 array key 5 in /in/qWMe8 on line 7 Warning: Undefined array key "" in /in/qWMe8 on line 7
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 5 in /in/qWMe8 on line 7 Notice: Undefined index: in /in/qWMe8 on line 7
Output for 7.3.32 - 7.3.33

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218.51 ms | 401 KiB | 223 Q