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run code in 200+ php & hhvm versions
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<?php $search_array = array('first' => 1, 'second' => 4,'first'); echo array_search('first', $search_array); if (array_search('first', $search_array)) { echo "Массив содержит элемент 'first'."; }
Output for 4.3.0 - 7.1.10
0