_php techniques of common function collection in PHP development process

1. Print Array function

Copy Code code as follows:

function _print ($array)
{
Echo ("<pre>");
Print_r ($array);
Echo ("</pre>");
}

2. Intercept string

Copy Code code as follows:

Func_chgtitle
function Func_chgtitle ($STR, $len)
{
if (strlen ($STR) > $len)
{
$tmpstr = "";
$strlen = $len;
for ($i = 0; $i < $strlen; $i + +)
{
if (Ord (substr ($str, $i, 1)) > 0xa0)
{
$tmpstr. = substr ($str, $i, 2);
$i + +;
}
Else
$tmpstr. = substr ($str, $i, 1);
}
return $tmpstr. "";
}
Else
{
return $str;
}
}

3. Loading files

Copy Code code as follows:

LoadFile
function LoadFile ($filepath)
{
$filecontent = "";
$fptr = fopen ($filepath, "R");
if ($fptr)
{
while ($content = Fgets ($fptr, 4096))
{
$filecontent. = $content;
}
Fclose ($FPTR);
}
return $filecontent;
}

4. Download the file
DownloadFile

Copy Code code as follows:

function DownloadFile ($path, $fileInfo)
{
$target _file = $path. $fileInfo [' Fileid '];
$file _content = loadfile ($target _file);
Header ("content-disposition:attachment; Filename= ". $fileInfo [' filename ']);
Header ("Content-type:". $fileInfo [' filetype ']);
Header ("Content-length:". $fileInfo [' filesize ']);
echo $file _content;
}

5. Array Ordering

Copy Code code as follows:

/**
* @package Bugfree
* @version $Id: functionsmain.inc.php,v 1.32 2005/09/24 11:38:37 wwccss EXP $
*
*
* Sort an Two-dimension array by some level two the items use Array_multisort () function.
*
* Syssortarray ($Array, "Key1", "Sort_asc", "Sort_retular", "Key2" ...)
* @author Chunsheng Wang <wwccss@263.net>
* @param array $ArrayData the array to sort.
* @param string $KeyName 1 The ' the ' the ' the '.
* @param string $SortOrder 1 The order to sort by ("SORT_ASC" |) Sort_desc ")
* @param string $SortType 1 the Sort type ("Sort_regular" |) Sort_numeric "|" Sort_string ")
* @return Array sorted array.
*/
function Syssortarray ($ArrayData, $KeyName 1, $SortOrder 1 = "Sort_asc", $SortType 1 = "Sort_regular")
{
if (!is_array ($ArrayData))
{
return $ArrayData;
}
Get args number.
$ArgCount = Func_num_args ();
Get keys to sort by and put them to sortrule array.
for ($I = 1; $I < $ArgCount; $I + +)
{
$Arg = Func_get_arg ($I);
if (!eregi ("SORT", $Arg))
{
$KeyNameList [] = $ARG;
$SortRule [] = ' $ '. $Arg;
}
Else
{
$SortRule [] = $ARG;
}
}
Get the values according to the keys and put them to array.
foreach ($ArrayData as $Key => $Info)
{
foreach ($KeyNameList as $KeyName)
{
${$KeyName}[$Key] = $Info [$KeyName];
}
}
Create the eval string and eval it.
if (count ($ArrayData) >0)
{
$EvalString = ' Array_multisort ('. Join (",", $SortRule). ', $ArrayData); ';
eval ($EvalString);
}
return $ArrayData;
}

Source: http://www.cnblogs.com/xiaosuo/archive/2009/12/14/1594455.html