php write file

This article mainly introduces about writing files in PHP, which has certain reference value. Now I share it with everyone. Friends in need can refer to it

//要创建的两个文件
$TxtFileName    = "Demo.txt";
//以读写方式打写指定文件，如果文件不存则创建
if( ($TxtRes=fopen ($TxtFileName,"w+")) === FALSE){
echo("创建可写文件：".$TxtFileName."失败");
exit();
}
$StrConents = '';
foreach($_POST as $k=>$v){
$StrConents.=$k."=".$v."------";
}
if(!fwrite ($TxtRes,$StrConents)){ //将信息写入文件
echo ("尝试向文件".$TxtFileName."写入".$StrConents."失败！");
fclose($TxtRes);
exit();
}
fclose ($TxtRes); //关闭指针

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