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Notice (8): SplFileObject::fwrite() [<a href='https://secure.php.net/splfileobject.fwrite'>splfileobject.fwrite</a>]: Write of 126 bytes failed with errno=28 No space left on device [CORE/src/Cache/Engine/FileEngine.php, line 141]

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Notice (8): SplFileObject::fwrite() [<a href='https://secure.php.net/splfileobject.fwrite'>splfileobject.fwrite</a>]: Write of 111 bytes failed with errno=28 No space left on device [CORE/src/Cache/Engine/FileEngine.php, line 141]

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首页 > 资讯列表 > 编程/数据库 >> PHP

PHP开发中常用函数总结

PHP 2014-12-08 09:45:05 转载来源: 网络整理/侵权必删

本文为大家总结了一些php开发中的常用函数，感兴趣的同学参考下。 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; $i++) { if(ord(substr($str, $i, 1)) > 0xa0) { $tmpstr .= substr($str, $i, 2); $i++; } else $tmpstr .= substr($str, $i, 1); } return $tmpstr."&quo

本文为大家总结了一些php开发中的常用函数，感兴趣的同学参考下。


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; $i++)
{
if(ord(substr($str, $i, 1)) > 0xa0)
{
$tmpstr .= substr($str, $i, 2);
$i++;
}
else
$tmpstr .= substr($str, $i, 1);
}
return $tmpstr."";
}
else
{
return $str;
}
}


3.加载文件

 


loadFile
function loadFile($filepath)
{
$filecontent = "";
$fptr = fopen($filepath,"r");
if ($fptr)
{
while ($content = fgets($fptr,4096))
{
$filecontent .= $content;
}
fclose($fptr);
}
return $filecontent;
}


4.下载文件
downloadFile

 


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.数组排序

 


/**
* @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;
}

 


标签: PHP 开发 常用 函数 总结


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