common.php

基于PHP和MYSQL的计算机辅助设备维修管理系统

<?php
	function FileExt($filename) {

		//checking if the file have an extension
		if (!strstr($filename, "."))
			return array("0"=>$filename,"1"=>"");

		//peoceed to normal detection

		$filename = strrev($filename);

		$extpos = strpos($filename , ".");

		$file = strrev(substr($filename , $extpos + 1));
		$ext = strrev(substr($filename ,  0 , $extpos));
		
		return array("0"=>$file,"1"=>$ext);
	}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function UploadFile($source, $destination , $name ="") {
	$name = $name ? $name : basename($source);
	$name = FileExt($name);
	$name[2]= $name[0];

	$counter = 0 ;
	while (file_exists( $destination . $name[0] . "." . $name[1] )) {
		$name[0] = $name[2] . $counter;
		$counter ++;
	}

	copy($source , $destination . $name[0] . "." . $name[1] );
	@chmod($destination . $name[0] . "." . $name[1] , 0777);
}

function UploadFileFromWeb($source, $destination , $name) {
	$name = FileExt($name);
	$name[2]= $name[0];

	$counter = 0 ;
	while (file_exists( $destination . $name[0] . "." . $name[1] )) {
		$name[0] = $name[2] . $counter;
		$counter ++;
	}

	SaveFileContents($destination . $name[0] . "." . $name[1] , $source);
	@chmod($destination . $name[0] . "." . $name[1] , 0777);
}


/**
* returns the contents of a file in a string
*
* @param string $file_name	name of file to be loaded
*
* @return string
*
* @acces public
*/
function GetFileContents($file_name) {
//	if (!file_exists($file_name)) {
//		return null;
//	}
	
	//echo "<br>:" . $file_name;
 	$file = fopen($file_name,"r");
	
	//checking if the file was succesfuly opened
	if (!$file)
		return null;

	if (strstr($file_name,"://"))
		while (!feof($file))
			$result .= fread($file,1024);
	else
		$result = @fread($file,filesize($file_name));

	fclose($file);

	return $result;
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function SaveFileContents($file_name,$content) {
//	echo $file_name;
	$file = fopen($file_name,"w");
	fwrite($file,$content);
	fclose($file);
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function Debug($what,$pre = 1,$die = 0) {
	if (PB_DEBUG_EXT == 1) {
		if ($pre == 1)
			echo "<pre style=\"background-color:white;\">";

		print_r($what);

		if ($pre == 1)
			echo "</pre>";

		if ($die == 1)
			die;
	}
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function SendMail($to,$from,$subject,$message,$to_name,$from_name) {	
	if ($to_name)
		$to = "$to_name <$to>";
	
	$headers  = "MIME-Version: 1.0\n";
	$headers .= "Content-type: text; charset=iso-8859-1\n";
	if ($from_name) {
		$headers .= "From: $from_name <$from>\n";
		$headers .=	"Reply-To: $from_name <$from>\n";
	}
	else {
		$headers .= "From: $from\n";
		$headers .=	"Reply-To: $from\n";
	}

	$headers .=	"X-Mailer: PHP/" . phpversion();

	return mail($to, $subject, $message,$headers);		
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function FillVars($var,$fields,$with) {
	$fields = explode (",",$fields);

	foreach ($fields as $field)
		if (!$var[$field])
			!$var[$field] = $with;

	return $var;
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function CleanupString($string,$strip_tags = TRUE) {
	$string = addslashes(trim($string));

	if ($strip_tags)
		$string = strip_tags($string);

	return $string;
}

define("RX_EMAIL","^[a-z0-9]+([_\\.-][a-z0-9]+)*@([a-z0-9]+([\.-][a-z0-9]+)*)+\\.[a-z]{2,}$");
define("RX_CHARS","[a-z\ ]");
define("RX_DIGITS","[0-9]"); 
define("RX_ALPHA","[^a-z0-9_]");
define("RX_ZIP","[0-9\-]"); 
define("RX_PHONE","[0-9\-\+\(\)]");

/**
* description
*
* @param
*
* @return
*
* @access
*/
function CheckString($string,$min,$max,$regexp = "",$rx_result = FALSE) {
	if (get_magic_quotes_gpc() == 0)
		$string = CleanupString($string);

	if (strlen($string) < $min)
		return 1;
	elseif (($max != 0) && (strlen($string) > $max))
		return 2;
	elseif ($regexp != "")
		if ($rx_result == eregi($regexp,$string))
			return 3;

	return 0;
}

/**
* description
*
* @param
*
* @return
*
* @access
*///  FIRST_NAME:S:3:60,LAST_NAME:S...
function ValidateVars($source,$vars) {
	$vars = explode(",",$vars);

	foreach ($vars as $var) {
		list($name,$type,$min,$max) = explode(":",$var);

		switch ($type) {
			case "S":
				$type = RX_CHARS;
				$rx_result = FALSE;
			break;

			case "I":
				$type = RX_DIGITS;
				$rx_result = TRUE;
			break;

			case "E":
				$type = RX_EMAIL;
				$rx_result = FALSE;
			break;

			case "P":
				$type = RX_PHONE;
				$rx_result = TRUE;
			break;

			case "Z":
				$type = RX_ZIP;
				$rx_result = FALSE;
			break;

			case "A":
				$type = "";
			break;

			case "F":
				//experimental crap
				$type = RX_ALPHA;
				$rx_result = TRUE;
				//$source[strtolower($name)] = str_replace(" ", "" , $source[strtolower($name)] );
			break;
 
		}
		//var_dump($result);
		if (($result = CheckString($source[strtolower($name)],$min,$max,$type,$rx_result)) != 0)
			$errors[] = $name;
		
	}	

	return is_array($errors) ? $errors : 0;
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function ResizeImage($source,$destination,$size) {
	if (PB_IMAGE_MAGICK == 1)
		system( PB_IMAGE_MAGICK_PATH . "convert $source -resize {$size}x{$size} $destination");
	else
		copy($source,$destination);
}

/**
* uses microtime() to return the current unix time w/ microseconds
*
* @return float the current unix time in the form of seconds.microseconds
*
* @access public
*/
function GetMicroTime() {
	list($usec,$sec) = explode(" ",microtime());

	return (float) $usec + (float) $sec;
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function GetArrayPart($input,$from,$count) {
	$return = array();
	$max = count($input);

	for ($i = $from; $i < $from + $count; $i++ ) 
		if ($i<$max)
			$return[] = $input[$i];

	return $return;	
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function ReplaceAllImagesPath($htmldata,$image_path) {
	$htmldata = stripslashes($htmldata);
	// replacing shit IE formating style
	$htmldata = str_replace("<IMG","<img",$htmldata);
	// esmth, i dont know why i'm doing
	preg_match_all("'<img.*?>'si",$htmldata,$images);

//<?php// ing edit plus

	foreach ($images[0] as $image)
		$htmldata = str_replace($image,ReplaceImagePath($image,$image_path),$htmldata);
	
	return $htmldata;//implode("\n",$html_out);
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function ReplaceImagePath($image,$replace) {
	// removing tags
	$image = stripslashes($image);
	$image = str_replace("<","",$image);
	$image = str_replace(">","",$image);
	
	// exploging image in proprietes
	$image_arr = explode(" ",$image);
	for ($i = 0;$i < count($image_arr) ;$i++ ) {
		if (stristr($image_arr[$i],"src")) {
			// lets   it :]
			$image_arr[$i] = explode("=",$image_arr[$i]);
			// modifing the image path
			//   i hate doing this
			
			// replacing ',"
			$image_arr[$i][1] = str_replace("'","",$image_arr[$i][1]);
			$image_arr[$i][1] = str_replace("\"","",$image_arr[$i][1]);

			//getting only image name
			$image_arr[$i][1] = strrev(substr(strrev($image_arr[$i][1]),0,strpos(strrev($image_arr[$i][1]),"/")));

			// building the image back
			$image_arr[$i][1] = "\"" . $replace . $image_arr[$i][1] . "\"";
			$image_arr[$i] = implode ("=",$image_arr[$i]);
		}		
	}	
	// adding tags
	return "<" . implode(" ",$image_arr) . ">";
}

/**
* description
*
* @param
*
* @return
*
* @access
*/
function DowloadAllImages($images,$path) {	
	foreach ($images as $image)
		@SaveFileContents($path ."/".ExtractFileNameFromPath($image),@implode("",@file($image)));	
}


function GetAllImagesPath($htmldata) {
	$htmldata = stripslashes($htmldata);
	// replacing shit IE formating style
	$htmldata = str_replace("<IMG","<img",$htmldata);
	// esmth, i dont know why i'm doing
	preg_match_all("'<img.*?>'si",$htmldata,$images);

//<?php// ing edit plus

	foreach ($images[0] as $image)
		$images_path[] = GetImageName($image);
	
	return $images_path;