PHP开发过程中常用函数收藏_建站学-个人建站指南,网页制作,网站设计,网站制作教程

此中将收藏我在工作中用到的一些PHP函数。有自己写的，也会有网上收集的。
1.打印数组函数

function _print($array)
{
    echo ("<pre>");
        print_r($array);
    echo ("</pre>");
}

2.截取字串

func_chgtitle
function func_chgtitle($str,$len)
{
    if(strlen($str)>$len)
    {
        $tmpstr = "";
        $strlen = $len;
        for($i = 0; $i < $strlen; $i++)

3.加载文件

loadFile

4.下载文件

downloadFile

5.数组排序

代码

/**
* @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 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  $KeyName1    the first item to sort by.
* @param  string  $SortOrder1  the order to sort by("SORT_ASC"|"SORT_DESC")
* @param  string  $SortType1   the sort type("SORT_REGULAR"|"SORT_NUMERIC"|"SORT_STRING")
* @return array                sorted array.
*/
    function sysSortArray($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR")
    {
        if(!is_array($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;
    }

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