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<?php $a = [1, 2, 3]; $limit = 10; foreach ($a as &$v) { array_push($a, 'x'); var_dump($a); if (--$limit == 0) break; }
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> &int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" } array(5) { [0]=> int(1) [1]=> &int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> string(1) "x" } array(6) { [0]=> int(1) [1]=> int(2) [2]=> &int(3) [3]=> string(1) "x" [4]=> string(1) "x" [5]=> string(1) "x" } array(7) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> &string(1) "x" [4]=> string(1) "x" [5]=> string(1) "x" [6]=> string(1) "x" } array(8) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> &string(1) "x" [5]=> string(1) "x" [6]=> string(1) "x" [7]=> string(1) "x" } array(9) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> string(1) "x" [5]=> &string(1) "x" [6]=> string(1) "x" [7]=> string(1) "x" [8]=> string(1) "x" } array(10) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> string(1) "x" [5]=> string(1) "x" [6]=> &string(1) "x" [7]=> string(1) "x" [8]=> string(1) "x" [9]=> string(1) "x" } array(11) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> string(1) "x" [5]=> string(1) "x" [6]=> string(1) "x" [7]=> &string(1) "x" [8]=> string(1) "x" [9]=> string(1) "x" [10]=> string(1) "x" } array(12) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> string(1) "x" [5]=> string(1) "x" [6]=> string(1) "x" [7]=> string(1) "x" [8]=> &string(1) "x" [9]=> string(1) "x" [10]=> string(1) "x" [11]=> string(1) "x" } array(13) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "x" [4]=> string(1) "x" [5]=> string(1) "x" [6]=> string(1) "x" [7]=> string(1) "x" [8]=> string(1) "x" [9]=> &string(1) "x" [10]=> string(1) "x" [11]=> string(1) "x" [12]=> string(1) "x" }

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