Heim > Artikel > Backend-Entwicklung > PHP缓存区使用详解_PHP教程
for ($i=0; $i ob_start();
echo "This is iteration $i: ";
// * Dont 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 $buf;
echo memory_get_usage()." ";
echo
;
}
?>
for ($i=0; $i ob_start();
echo "This is iteration $i: ";
// * Dont 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()."";
echo
;
}
?>
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。