for($头发 = 0;$头发 < 10000000000000000000;$头发++){ echo $头发; }
$满意 = false; while(true){ if($满意 == true){ break; } echo '头发'; }
<?php $黑发=100000; $白发=500; while($白发>0){ $黑发+=200; $白发--; } echo "黑发:$黑发<br/>白发:$白发";