arrays - PHP error suppression or isset -

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i have array of more 50 indefinite keys means not sure 1 particular field there or not. have 2 option assign array values other.

first 

 $array2['someothefield'] = isset($array1['somefield'])?$array1['somefield']:null;

second 

 $array2['someotherfield'] = @ $array1['somefield'];

can please suggest ,which 1 better case. or, there way can suppress errors 1 block of code .

if need code fast, second option better due experience profiling php code.

if going 50 elements, use first option, because it's clear kind of problem trying avoid.


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