• 技术文章 >php教程 >php手册

    几个php技巧

    2016-06-13 10:20:22原创377
    1、关于PHP重定向
    方法一:header("Location: index.php");
    方法二:echo "";
    方法三:echo "";

    2、获取访问者浏览器
    function browse_infor()
    {
    $browser="";$browserver="";
    $Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb");
    $Agent = $GLOBALS["HTTP_USER_AGENT"];
    for ($i=0; $i<=7; $i++)
    {
    if (strpos($Agent,$Browsers[$i]))
    {
    $browser = $Browsers[$i];
    $browserver ="";
    }
    }
    if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent))
    {
    $temp =explode("(", $Agent); $Part=$temp[0];
    $temp =explode("//m.sbmmt.com/m/", $Part); $browserver=$temp[1];
    $temp =explode(" ",$browserver); $browserver=$temp[0];
    $browserver =preg_replace("/([d.]+)/","1",$browserver);
    $browserver = " $browserver";
    $browser = "Netscape Navigator";
    }
    if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent))
    {
    $temp =explode("(", $Agent); $Part=$temp[1];
    $temp =explode(")", $Part); $browserver=$temp[1];
    $temp =explode(" ",$browserver);$browserver=$temp[2];
    $browserver =preg_replace("/([d.]+)/","1",$browserver);
    $browserver = " $browserver";
    $browser = "Opera";
    }
    if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))
    {
    $temp = explode("(", $Agent); $Part=$temp[1];
    $temp = explode(";",$Part); $Part=$temp[1];
    $temp = explode(" ",$Part);$browserver=$temp[2];
    $browserver =preg_replace("/([d.]+)/","1",$browserver);
    $browserver = " $browserver";
    $browser = "Internet Explorer";
    }
    if ($browser!="")
    {
    $browseinfo = "$browser$browserver";
    }
    else
    {
    $browseinfo = "Unknown";
    }
    return $browseinfo;
    }
    //调用方法$browser=browseinfo() ;直接返回结果

    3、获取访问者操作系统
    function osinfo() {
    $os="";
    $Agent = $GLOBALS["HTTP_USER_AGENT"];
    if (eregi(win,$Agent) && strpos($Agent, 95)) {
    $os="Windows 95";
    }
    elseif (eregi(win 9x,$Agent) && strpos($Agent, 4.90)) {
    $os="Windows ME";
    }
    elseif (eregi(win,$Agent) && ereg(98,$Agent)) {
    $os="Windows 98";
    }
    elseif (eregi(win,$Agent) && eregi(nt 5.0,$Agent)) {
    $os="Windows 2000";
    }
    elseif (eregi(win,$Agent) && eregi(nt,$Agent)) {
    $os="Windows NT";
    }
    elseif (eregi(win,$Agent) && eregi(nt 5.1,$Agent)) {
    $os="Windows XP";
    }
    elseif (eregi(win,$Agent) && ereg(32,$Agent)) {
    $os="Windows 32";
    }
    elseif (eregi(linux,$Agent)) {
    $os="Linux";
    }
    elseif (eregi(unix,$Agent)) {
    $os="Unix";
    }
    elseif (eregi(sun,$Agent) && eregi(os,$Agent)) {
    $os="SunOS";
    }
    elseif (eregi(ibm,$Agent) && eregi(os,$Agent)) {
    $os="IBM OS/2";
    }
    elseif (eregi(Mac,$Agent) && eregi(PC,$Agent)) {
    $os="Macintosh";
    }
    elseif (eregi(PowerPC,$Agent)) {
    $os="PowerPC";
    }
    elseif (eregi(AIX,$Agent)) {
    $os="AIX";
    }
    elseif (eregi(HPUX,$Agent)) {
    $os="HPUX";
    }
    elseif (eregi(NetBSD,$Agent)) {
    $os="NetBSD";
    }
    elseif (eregi(BSD,$Agent)) {
    $os="BSD";
    }
    elseif (ereg(OSF1,$Agent)) {
    $os="OSF1";
    }
    elseif (ereg(IRIX,$Agent)) {
    $os="IRIX";
    }
    elseif (eregi(FreeBSD,$Agent)) {
    $os="FreeBSD";
    }
    if ($os==) $os = "Unknown";
    return $os;
    }
    //调用方法$os=os_infor() ;

    4、文件格式类
    $mime_types = array(
    gif => image/gif,
    jpg => image/jpeg,
    jpeg => image/jpeg,
    jpe => image/jpeg,
    bmp => image/bmp,
    png => image/png,
    tif => image/tiff,
    tiff => image/tiff,
    pict => image/x-pict,
    pic => image/x-pict,
    pct => image/x-pict,
    tif => image/tiff,
    tiff => image/tiff,
    psd => image/x-photoshop,

    swf => application/x-shockwave-flash,
    js => application/x-javascript,
    pdf => application/pdf,
    ps => application/postscript,
    eps => application/postscript,
    ai => application/postscript,
    wmf => application/x-msmetafile,

    css => text/css,
    htm => text/html,
    html => text/html,
    txt => text/plain,
    xml => text/xml,
    wml => text/wml,
    wbmp => image/vnd.wap.wbmp,

    mid => audio/midi,
    wav => audio/wav,
    mp3 => audio/mpeg,
    mp2 => audio/mpeg,

    avi => video/x-msvideo,
    mpeg => video/mpeg,
    mpg => video/mpeg,
    qt => video/quicktime,
    mov => video/quicktime,

    lha => application/x-lha,
    lzh => application/x-lha,
    z => application/x-compress,
    gtar => application/x-gtar,
    gz => application/x-gzip,
    gzip => application/x-gzip,
    tgz => application/x-gzip,
    tar => application/x-tar,
    bz2 => application/bzip2,
    zip => application/zip,
    arj => application/x-arj,
    rar => application/x-rar-compressed,

    hqx => application/mac-binhex40,
    sit => application/x-stuffit,
    bin => application/x-macbinary,

    uu => text/x-uuencode,
    uue => text/x-uuencode,

    latex=> application/x-latex,
    ltx => application/x-latex,
    tcl => application/x-tcl,

    pgp => application/pgp,
    asc => application/pgp,
    exe => application/x-msdownload,
    doc => application/msword,
    rtf => application/rtf,
    xls => application/vnd.ms-excel,
    ppt => application/vnd.ms-powerpoint,
    mdb => application/x-msaccess,
    wri => application/x-mswrite,
    );
    5、php生成excel文档
    header("Content-type:application/vnd.ms-excel");
    header("Content-Disposition:filename=test.xls");
    echo "test1 ";
    echo "test2 ";
    echo "test1 ";
    echo "test2 ";
    echo "test1 ";
    echo "test2 ";
    echo "test1 ";
    echo "test2 ";
    echo "test1 ";
    echo "test2 ";
    echo "test1 ";
    echo "test2 ";
    ?>
    //改动相应文件头就可以输出.doc .xls等文件格式了
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