1--TEST-- 2GC 023: Root buffer overflow (automatic collection) 3--INI-- 4zend.enable_gc=1 5--FILE-- 6<?php 7$a=array(); 8for ($i=0; $i < 9999; $i++) { 9 $a[$i] = array(array()); 10 $a[$i][0] = & $a[$i]; 11} 12var_dump(gc_collect_cycles()); 13unset($a); 14var_dump(gc_collect_cycles()); 15$a=array(); 16for ($i=0; $i < 10001; $i++) { 17 $a[$i] = array(array()); 18 $a[$i][0] = & $a[$i]; 19} 20var_dump(gc_collect_cycles()); 21unset($a); // 10000 zvals collected automatic 22var_dump(gc_collect_cycles()); 23echo "ok\n"; 24--EXPECT-- 25int(0) 26int(9999) 27int(0) 28int(1) 29ok 30
