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<?php $basket = [ 'apple', 'pear', 'banana', 1 ]; if (in_array('1', $basket, false)) { $basket[] = 'raspberry'; } var_dump($basket);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(5) { [0]=> string(5) "apple" [1]=> string(4) "pear" [2]=> string(6) "banana" [3]=> int(1) [4]=> string(9) "raspberry" }

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