<?php $info = [ 'length' => '1,2,3', ]; $lengths = explode(',', $info['length']); var_dump(in_array(1, $lengths, true)); var_dump(in_array('1', $lengths, true)); $lengths = array_map(function ($value) { return (int) $value; }, explode(',', $info['length'])); var_dump(in_array(1, $lengths, true));
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