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<?php // As a map from objects to data $s = new SplObjectStorage(); $o1 = new StdClass; $o2 = new StdClass; $o3 = new StdClass; $s[$o1] = "data for object 1"; $s[$o2] = array(1,2,3); var_dump($s); ?>
Output for git.master, git.master_jit, rfc.property-hooks
object(SplObjectStorage)#1 (1) { ["storage":"SplObjectStorage":private]=> array(2) { [0]=> array(2) { ["obj"]=> object(stdClass)#2 (0) { } ["inf"]=> string(17) "data for object 1" } [1]=> array(2) { ["obj"]=> object(stdClass)#3 (0) { } ["inf"]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } } }

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