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<?php $object = (object) array( 'entity_id' => 99, ); var_dump($object->entity_id); $array = array( (object) array( 'id' => 99, ), ); $array = array( NULL, ); var_dump($array, array_flip($array)); //var_dump($array->entity_id);
Output for git.master, git.master_jit, rfc.property-hooks
int(99) Warning: array_flip(): Can only flip string and integer values, entry skipped in /in/6Mc80 on line 18 array(1) { [0]=> NULL } array(0) { }

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