PTR_HEAP_BLOCK_SIZE  231 ext/spl/spl_heap.c 	heap->elements = safe_emalloc(sizeof(spl_ptr_heap_element), PTR_HEAP_BLOCK_SIZE, 0);
PTR_HEAP_BLOCK_SIZE  232 ext/spl/spl_heap.c 	heap->max_size = PTR_HEAP_BLOCK_SIZE;