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<?php $test = preg_split("[(.*?)]", "['hotels'][3]"); echo var_dump($test);
Output for 4.3.0 - 7.1.0
array(28) { [0]=> string(0) "" [1]=> string(0) "" [2]=> string(0) "" [3]=> string(0) "" [4]=> string(0) "" [5]=> string(0) "" [6]=> string(0) "" [7]=> string(0) "" [8]=> string(0) "" [9]=> string(0) "" [10]=> string(0) "" [11]=> string(0) "" [12]=> string(0) "" [13]=> string(0) "" [14]=> string(0) "" [15]=> string(0) "" [16]=> string(0) "" [17]=> string(0) "" [18]=> string(0) "" [19]=> string(0) "" [20]=> string(0) "" [21]=> string(0) "" [22]=> string(0) "" [23]=> string(0) "" [24]=> string(0) "" [25]=> string(0) "" [26]=> string(0) "" [27]=> string(0) "" }