<?php
for ($i=0; $i<10; $i++) {
ob_start();
echo "This is iteration $i: ";
// * Don't do this!
// $buf = ob_get_contents();
// ob_clean();
// * Use this instead:
$buf = ob_get_flush();
//缓冲区关闭,竟然还有内容
$test=ob_get_contents();
echo $test,'---->';
echo $buf;
echo memory_get_usage()."\n";
echo '<br />';
}
?>
?
?ob_get_flush相当于ob_end_flush,只有一点区别,ob_get_flush获取缓存区内容,保存到变量中,并关闭缓存区