php imagecreate图片生成代码

php imagecreate图片生成代码

if(isset($gd) && $gd==1 && $txt)
{
 header ("Content-type: image/png");
 $txt = urldecode(phpcms_auth($txt, 'DECODE', AUTH_KEY));
 $imageX = strlen($txt)*9;
 $im = @imagecreate ($imageX, 16) or die ("Cannot Initialize new GD image stream");
 $bgColor = ImageColorAllocate($im,255,255,255);
 $white=imagecolorallocate($im,234,185,95);
 $font_color=imagecolorallocate($im,0x00,0x00,0x00);
 
 $fontfile = PHPCMS_ROOT."include/fonts/simfang.ttf";
 if(file_exists($fontfile) && !preg_match('/([a-z0-9@.])/',$txt))
 {
  $txt = iconv("GB2312","UTF-8",$txt);
  ImageTTFText($im, 10, 0, 0, 12, $font_color, $fontfile, $txt);
 }
 else
 {
  $fonttype = intval($fonttype);
  imagestring ($im, $fonttype, 0, 0,$txt, $font_color);
 }
 imagepng ($im);
 imagedestroy ($im);
}

php简单文件下载过滤判断函数

if(strpos($fileurl, ':/'))//远程文件
{
 header("Location: $fileurl");
}
else//本地文件
{
 if($d == 0)
 {
  header("Location: ".SITE_URL.$fileurl);
 }
 else
 {
  $fileurl = file_exists($fileurl) ? stripslashes($fileurl) : PHPCMS_ROOT.$fileurl;//此处可能为物理路径
  $filename = basename($fileurl);
  if(preg_match("/^([sS]*?)([x81-xfe][x40-xfe])([sS]*?)/", $fileurl))//处理中文文件
  {
   $filename = str_replace(array("%5C", "%2F", "%3A"), array("\", "/", ":"), urlencode($fileurl));
   $filename = urldecode(basename($filename));
  }
  file_down($fileurl, $filename);
 }
}

php 常用获取服务器变量代码

define('IP', ip());
define('HTTP_REFERER', isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '');
define('SCRIPT_NAME', isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : preg_replace("/(.*).php(.*)/i", "\1.php", $_SERVER['PHP_SELF']));
define('QUERY_STRING', $_SERVER['QUERY_STRING']);
define('PATH_INFO', isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '');
define('DOMAIN', isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : preg_replace("/([^:]*)[:0-9]*/i", "\1", $_SERVER['HTTP_HOST']));
define('SCHEME', $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://');
define('SITE_URL', SCHEME.$_SERVER['HTTP_HOST'].PHPCMS_PATH);
define('RELATE_URL', isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : SCRIPT_NAME.(QUERY_STRING ? '?'.QUERY_STRING : PATH_INFO));
define('URL', SCHEME.$_SERVER['HTTP_HOST'].RELATE_URL);
define('RELATE_REFERER',urlencode(RELATE_URL));

mysql 查询数据库返回mysql_num_rows记录

 function getCityId( $cd )
 {
  $sql = "Select id,cntitle from zgy_classplace where cntitle='$cd' ";
  $result  = mysql_query( $sql ) or die( mysql_error());
  if( mysql_num_rows($result ) )
  {
   $rs = mysql_fetch_array( $result );
   return $rs['id'];
  }
  else
  {
   return 1;
  }
  mysql_free_result( $result );
 }

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php switch break case 使用教程

php switch break case  使用教程

switch在很多语言中都会有只是表达试不一样了,下面我们来看看break case

 /*
   1,600-800^2,800-1000^3,1000-1200^4,1200-1500^5,1500-2000^6,2000-3000^7,3000-5000^8,5000-8000^9,8000-10000
  
   根据mssql用户输入的数据进行分析判断给my数据库
   */
   function aryid( $num )
   {
    if( $num >=600 && $num <801 )
  {
   return 1;
  }
  elseif( $num >800 && $num <1001 )
  {
   return 2;
  }
  elseif( $num >1000 && $num < 1201)
  {
   return 3;
  }
  elseif( $num >1200 && $num <1501 )
  {
   return 4;
  }
  elseif ( $num >1500 && $num < 2001 )
  {
   return 5;
  }
  elseif ( $num >2000 && $num <3001 )
  {
   return 6;
  }
  elseif ( $num >3000 && $num <5001)
  {
   return 7;
  }
  elseif ( $num > 5000  && $num <8001 )
  {
   return 8;
  }
  elseif ( $num >8000 && $num <10001 )
  {
   return 9;
  }
  else
  {
   return '';
  }
   }
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