【php开源代码栏目提醒】:网学会员为广大网友收集整理了,12_1.php,希望对大家有所帮助!
<?php
$like = "我喜欢吃苹果!";
ob_start();
echo $like."<br>";
$cache = ob_get_contents();
$length = ob_get_length();
ob_end_flush();
echo "输出缓存中的内容:".$cache;
echo "输出缓存中内容的长度:".$length."<br>";
function callback($buffer) {
return (str_replace("苹果", "梨", $buffer));
}
ob_start("callback");
echo $like."<br>";
$cache = ob_get_contents();
$length = ob_get_length();
ob_end_flush();
echo "输出缓存中的内容:".$cache;
echo "输出缓存中内容的长度:".$length;
?>