CodeA　と　CodeB　は同じですか | Codetter（こーどったー）

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// code a
$cats = isset($this->options['cathidden']) && is_serialized($this->options['cathidden']) ? unserialize($this->options['cathidden']) : array();
// code b
if ( isset($this->options['cathidden']) ) {
    if ( is_serialized($this->options['cathidden']) ) {
        $cats = unserialize($this->options['cathidden']);
    } else {
        $cats = array();
    }
}
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