1--TEST-- 2SPL: SplPriorityQueue: iteration through methods 3--FILE-- 4<?php 5$h = new SplPriorityQueue(); 6 7$h->insert(1, 1); 8$h->insert(5, 5); 9$h->insert(0, 0); 10$h->insert(4, 4); 11 12$h->rewind(); 13echo "count(\$h) = ".count($h)."\n"; 14echo "\$h->count() = ".$h->count()."\n"; 15while ($h->valid()) { 16 $k = $h->key(); 17 $v = $h->current(); 18 echo "$k=>$v\n"; 19 $h->next(); 20} 21?> 22--EXPECT-- 23count($h) = 4 24$h->count() = 4 253=>5 262=>4 271=>1 280=>0 29