<?php $options = json_decode('[ { "optionID" : 123 }, { "optionID" : 456 }, { "optionID" : 789 } ]'); $search = 123; var_dump( array_column($options, 'optionID'), array_search($search, array_column($options, 'optionID')), array_search($search, array_column($options, 'optionID')) !== FALSE );
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