php表单数据验证类，php表单验证
非常好用方便的表单数据验证类
<?<span>php
</span><span>//</span><span>验证类</span>
<span>class</span><span> Fun{
</span><span>function</span> isEmpty(<span>$val</span><span>)
{
</span><span>if</span> (!<span>is_string</span>(<span>$val</span>)) <span>return</span> <span>false</span>; <span>//</span><span>是否是字符串类型 </span>
<span>if</span> (<span>empty</span>(<span>$val</span>)) <span>return</span> <span>false</span>; <span>//</span><span>是否已设定 </span>
<span>if</span> (<span>$val</span>=='') <span>return</span> <span>false</span>; <span>//</span><span>是否为空 </span>
<span>return</span> <span>true</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isNumber
简要描述：检查输入的是否为数字
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isNumber(<span>$val</span><span>)
{
</span><span>if</span>(<span>ereg</span>("^[0-9]+$", <span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isPhone
简要描述：检查输入的是否为电话
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isPhone(<span>$val</span><span>)
{
</span><span>//</span><span>eg: xxx-xxxxxxxx-xxx | xxxx-xxxxxxx-xxx ... </span>
<span>if</span>(<span>ereg</span>("^((0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$",<span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isPostcode
简要描述：检查输入的是否为邮编
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isPostcode(<span>$val</span><span>)
{
</span><span>if</span>(<span>ereg</span>("^[0-9]{4,6}$",<span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isEmail
简要描述：邮箱地址合法性检查
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isEmail(<span>$val</span>,<span>$domain</span>=""<span>)
{
</span><span>if</span>(!<span>$domain</span><span>)
{
</span><span>if</span>( <span>preg_match</span>("/^[a-z0-9-_.]+@[\da-z][\.\w-]+\.[a-z]{2,4}$/i", <span>$val</span><span>) )
{
</span><span>return</span> <span>true</span><span>;
}
</span><span>else</span>
<span>return</span> <span>false</span><span>;
}
</span><span>else</span><span>
{
</span><span>if</span>( <span>preg_match</span>("/^[a-z0-9-_.]+@".<span>$domain</span>."$/i", <span>$val</span><span>) )
{
</span><span>return</span> <span>true</span><span>;
}
</span><span>else</span>
<span>return</span> <span>false</span><span>;
}
}</span><span>//</span><span>end func </span>
<span>/*</span><span>
-----------------------------------------------------------
函数名称：isName
简要描述：姓名昵称合法性检查，只能输入中文英文
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isName(<span>$val</span><span>)
{
</span><span>if</span>( <span>preg_match</span>("/^[\x80-\xffa-zA-Z0-9]{3,60}$/", <span>$val</span>) )<span>//</span><span>2008-7-24 </span>
<span> {
</span><span>return</span> <span>true</span><span>;
}
</span><span>return</span> <span>false</span><span>;
}</span><span>//</span><span>end func </span>
<span>/*</span><span>
-----------------------------------------------------------
函数名称:isStrLength($theelement, $min, $max)
简要描述:检查字符串长度是否符合要求
输入:mixed (字符串，最小长度，最大长度)
输出:boolean
修改日志:------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isStrLength(<span>$val</span>, <span>$min</span>, <span>$max</span><span>)
{
</span><span>$theelement</span>= <span>trim</span>(<span>$val</span><span>);
</span><span>if</span>(<span>ereg</span>("^[a-zA-Z0-9]{".<span>$min</span>.",".<span>$max</span>."}$",<span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称:isNumberLength($theelement, $min, $max)
简要描述:检查字符串长度是否符合要求
输入:mixed (字符串，最小长度，最大长度)
输出:boolean
修改日志:------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isNumLength(<span>$val</span>, <span>$min</span>, <span>$max</span><span>)
{
</span><span>$theelement</span>= <span>trim</span>(<span>$val</span><span>);
</span><span>if</span>(<span>ereg</span>("^[0-9]{".<span>$min</span>.",".<span>$max</span>."}$",<span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称:isNumberLength($theelement, $min, $max)
简要描述:检查字符串长度是否符合要求
输入:mixed (字符串，最小长度，最大长度)
输出:boolean
修改日志:------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isEngLength(<span>$val</span>, <span>$min</span>, <span>$max</span><span>)
{
</span><span>$theelement</span>= <span>trim</span>(<span>$val</span><span>);
</span><span>if</span>(<span>ereg</span>("^[a-zA-Z]{".<span>$min</span>.",".<span>$max</span>."}$",<span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isEnglish
简要描述：检查输入是否为英文
输入：string
输出：boolean
作者：------
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isEnglish(<span>$theelement</span><span>)
{
</span><span>if</span>( <span>ereg</span>("[\x80-\xff].",<span>$theelement</span><span>) )
{
</span><span>Return</span> <span>false</span><span>;
}
</span><span>Return</span> <span>true</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isChinese
简要描述：检查是否输入为汉字
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>/*</span><span>
function isChinese($sInBuf)//有问题的函数
{
$iLen= strlen($sInBuf);
for($i= 0; $i< $iLen; $i++)
{
if(ord($sInBuf{$i})>=0x80)
{
if( (ord($sInBuf{$i})>=0x81 && ord($sInBuf{$i})<=0xFE) && ((ord($sInBuf{$i+1})>=0x40 && ord($sInBuf{$i+1}) < 0x7E) || (ord($sInBuf{$i+1}) > 0x7E && ord($sInBuf{$i+1})<=0xFE)) )
{
if(ord($sInBuf{$i})>0xA0 && ord($sInBuf{$i})<0xAA)
{
//有中文标点
return false;
}
}
else
{
//有日文或其它文字
return false;
}
$i++;
}
else
{
return false;
}
}
return true;
}</span><span>*/</span>
<span>function</span> isChinese(<span>$sInBuf</span>)<span>//</span><span>正确的函数 </span>
<span> {
</span><span>if</span> (<span>preg_match</span>("/^[\x7f-\xff]+$/", <span>$sInBuf</span>)) { <span>//</span><span>兼容gb2312,utf-8 </span>
<span>return</span> <span>true</span><span>;
}
</span><span>else</span><span>
{
</span><span>return</span> <span>false</span><span>;
}
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称:isDomain($Domain)
简要描述:检查一个（英文）域名是否合法
输入:string 域名
输出:boolean
修改日志:------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isDomain(<span>$Domain</span><span>)
{
</span><span>if</span>(!<span>eregi</span>("^[0-9a-z]+[0-9a-z\.-]+[0-9a-z]+$", <span>$Domain</span><span>))
{
</span><span>Return</span> <span>false</span><span>;
}
</span><span>if</span>( !<span>eregi</span>("\.", <span>$Domain</span><span>))
{
</span><span>Return</span> <span>false</span><span>;
}
</span><span>if</span>(<span>eregi</span>("\-\.", <span>$Domain</span>) or <span>eregi</span>("\-\-", <span>$Domain</span>) or <span>eregi</span>("\.\.", <span>$Domain</span>) or <span>eregi</span>("\.\-", <span>$Domain</span><span>))
{
</span><span>Return</span> <span>false</span><span>;
}
</span><span>$aDomain</span>= <span>explode</span>(".",<span>$Domain</span><span>);
</span><span>if</span>( !<span>eregi</span>("[a-zA-Z]",<span>$aDomain</span>[<span>count</span>(<span>$aDomain</span>)-1<span>]) )
{
</span><span>Return</span> <span>false</span><span>;
}
</span><span>if</span>(<span>strlen</span>(<span>$aDomain</span>[0]) > 63 || <span>strlen</span>(<span>$aDomain</span>[0]) < 1<span>)
{
</span><span>Return</span> <span>false</span><span>;
}
</span><span>Return</span> <span>true</span><span>;
}
</span><span>/*</span><span>*
* 验证是否日期的函数
* @param unknown_type $date
* @param unknown_type $format
* @throws Exception
* @return boolean
</span><span>*/</span>
<span>function</span> validateDate( <span>$date</span>, <span>$format</span>='YYYY-MM-DD'<span>)
{
</span><span>switch</span>( <span>$format</span><span> )
{
</span><span>case</span> 'YYYY/MM/DD':
<span>case</span> 'YYYY-MM-DD':
<span>list</span>( <span>$y</span>, <span>$m</span>, <span>$d</span> ) = <span>preg_split</span>( '/[-./ ]/', <span>$date</span><span> );
</span><span>break</span><span>;
</span><span>case</span> 'YYYY/DD/MM':
<span>case</span> 'YYYY-DD-MM':
<span>list</span>( <span>$y</span>, <span>$d</span>, <span>$m</span> ) = <span>preg_split</span>( '/[-./ ]/', <span>$date</span><span> );
</span><span>break</span><span>;
</span><span>case</span> 'DD-MM-YYYY':
<span>case</span> 'DD/MM/YYYY':
<span>list</span>( <span>$d</span>, <span>$m</span>, <span>$y</span> ) = <span>preg_split</span>( '/[-./ ]/', <span>$date</span><span> );
</span><span>break</span><span>;
</span><span>case</span> 'MM-DD-YYYY':
<span>case</span> 'MM/DD/YYYY':
<span>list</span>( <span>$m</span>, <span>$d</span>, <span>$y</span> ) = <span>preg_split</span>( '/[-./ ]/', <span>$date</span><span> );
</span><span>break</span><span>;
</span><span>case</span> 'YYYYMMDD':
<span>$y</span> = <span>substr</span>( <span>$date</span>, 0, 4<span> );
</span><span>$m</span> = <span>substr</span>( <span>$date</span>, 4, 2<span> );
</span><span>$d</span> = <span>substr</span>( <span>$date</span>, 6, 2<span> );
</span><span>break</span><span>;
</span><span>case</span> 'YYYYDDMM':
<span>$y</span> = <span>substr</span>( <span>$date</span>, 0, 4<span> );
</span><span>$d</span> = <span>substr</span>( <span>$date</span>, 4, 2<span> );
</span><span>$m</span> = <span>substr</span>( <span>$date</span>, 6, 2<span> );
</span><span>break</span><span>;
</span><span>default</span>:
<span>throw</span> <span>new</span> <span>Exception</span>( "Invalid Date Format"<span> );
}
</span><span>return</span> <span>checkdate</span>( <span>$m</span>, <span>$d</span>, <span>$y</span><span> );
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isDate
简要描述：检查日期是否符合0000-00-00
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isDate(<span>$sDate</span><span>)
{
</span><span>if</span>( <span>ereg</span>("^[0-9]{4}\-[][0-9]{2}\-[0-9]{2}$",<span>$sDate</span><span>) )
{
</span><span>Return</span> <span>true</span><span>;
}
</span><span>else</span><span>
{
</span><span>Return</span> <span>false</span><span>;
}
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称：isTime
简要描述：检查日期是否符合0000-00-00 00:00:00
输入：string
输出：boolean
修改日志：------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isTime(<span>$sTime</span><span>)
{
</span><span>if</span>( <span>ereg</span>("^[0-9]{4}\-[][0-9]{2}\-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}$",<span>$sTime</span><span>) )
{
</span><span>Return</span> <span>true</span><span>;
}
</span><span>else</span><span>
{
</span><span>Return</span> <span>false</span><span>;
}
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称:isMoney($val)
简要描述:检查输入值是否为合法人民币格式
输入:string
输出:boolean
修改日志:------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isMoney(<span>$val</span><span>)
{
</span><span>if</span>(<span>ereg</span>("^[0-9]{1,}$", <span>$val</span><span>))
</span><span>return</span> <span>true</span><span>;
</span><span>if</span>( <span>ereg</span>("^[0-9]{1,}\.[0-9]{1,2}$", <span>$val</span><span>) )
</span><span>return</span> <span>true</span><span>;
</span><span>return</span> <span>false</span><span>;
}
</span><span>/*</span><span>
-----------------------------------------------------------
函数名称:isIp($val)
简要描述:检查输入IP是否符合要求
输入:string
输出:boolean
修改日志:------
-----------------------------------------------------------
</span><span>*/</span>
<span>function</span> isIp(<span>$val</span><span>)
{
</span><span>return</span>(bool) <span>ip2long</span>(<span>$val</span><span>);
}
</span><span>//</span><span>----------------------------------------------------------------------------- </span>
<span>/*</span><span>*
* 验证手机号
* @param int $mobile
</span><span>*/</span>
<span>function</span> valid_mobile(<span>$mobile</span><span>){
</span><span>if</span>(<span>strlen</span>(<span>$mobile</span>)!=11) <span>return</span> <span>false</span><span>;
</span><span>if</span>(<span>preg_match</span>('/13[0-9]\d{8}|15[0|1|2|3|5|6|7|8|9]\d{8}|18[0|5|6|7|8|9]\d{8}/',<span>$mobile</span><span>)){
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
}
</span><span>/*</span><span>*
* 缩略图生成函数，最好使用GD2
*
* @param string $srcFile 要生成缩略图的文件
* @param int $toW 缩略图宽度
* @param int $toH 缩略图高度
* @param string $toFile 缩略图文件
</span><span>*/</span>
<span>function</span> ImageResize(<span>$srcFile</span>,<span>$toW</span>,<span>$toH</span>,<span>$toFile</span>=""<span>){
</span><span>if</span>(<span>$toFile</span>==""){ <span>$toFile</span> = <span>$srcFile</span><span>; }
</span><span>$info</span> = ""<span>;
</span><span>$data</span> = <span>GetImageSize</span>(<span>$srcFile</span>,<span>$info</span><span>);
</span><span>switch</span> (<span>$data</span>[2<span>]){
</span><span>case</span> 1:
<span>if</span>(!<span>function_exists</span>("imagecreatefromgif"<span>)){
</span><span>//</span><span>echo "你的GD库不能使用GIF格式的图片，请使用Jpeg或PNG格式！<a href='javascript:go(-1);'>返回</a>"; </span>
<span>return</span> <span>false</span><span>;
}
</span><span>$im</span> = ImageCreateFromGIF(<span>$srcFile</span><span>);
</span><span>break</span><span>;
</span><span>case</span> 2:
<span>if</span>(!<span>function_exists</span>("imagecreatefromjpeg"<span>)){
</span><span>//</span><span>echo "你的GD库不能使用jpeg格式的图片，请使用其它格式的图片！<a href='javascript:go(-1);'>返回</a>"; </span>
<span>return</span> <span>false</span><span>;
}
</span><span>$im</span> = ImageCreateFromJpeg(<span>$srcFile</span><span>);
</span><span>break</span><span>;
</span><span>case</span> 3:
<span>$im</span> = ImageCreateFromPNG(<span>$srcFile</span><span>);
</span><span>break</span><span>;
}
</span><span>$srcW</span>=ImageSX(<span>$im</span><span>);
</span><span>$srcH</span>=ImageSY(<span>$im</span><span>);
</span><span>$toWH</span>=<span>$toW</span>/<span>$toH</span><span>;
</span><span>$srcWH</span>=<span>$srcW</span>/<span>$srcH</span><span>;
</span><span>if</span>(<span>$toWH</span><=<span>$srcWH</span><span>){
</span><span>$ftoW</span>=<span>$toW</span><span>;
</span><span>$ftoH</span>=<span>$ftoW</span>*(<span>$srcH</span>/<span>$srcW</span><span>);
}
</span><span>else</span><span>{
</span><span>$ftoH</span>=<span>$toH</span><span>;
</span><span>$ftoW</span>=<span>$ftoH</span>*(<span>$srcW</span>/<span>$srcH</span><span>);
}
</span><span>if</span>(<span>$srcW</span>><span>$toW</span>||<span>$srcH</span>><span>$toH</span><span>)
{
</span><span>if</span>(<span>function_exists</span>("imagecreatetruecolor"<span>)){
@</span><span>$ni</span> = ImageCreateTrueColor(<span>$ftoW</span>,<span>$ftoH</span><span>);
</span><span>if</span>(<span>$ni</span>) ImageCopyResampled(<span>$ni</span>,<span>$im</span>,0,0,0,0,<span>$ftoW</span>,<span>$ftoH</span>,<span>$srcW</span>,<span>$srcH</span><span>);
</span><span>else</span><span>{
</span><span>$ni</span>=ImageCreate(<span>$ftoW</span>,<span>$ftoH</span><span>);
ImageCopyResized(</span><span>$ni</span>,<span>$im</span>,0,0,0,0,<span>$ftoW</span>,<span>$ftoH</span>,<span>$srcW</span>,<span>$srcH</span><span>);
}
}</span><span>else</span><span>{
</span><span>$ni</span>=ImageCreate(<span>$ftoW</span>,<span>$ftoH</span><span>);
ImageCopyResized(</span><span>$ni</span>,<span>$im</span>,0,0,0,0,<span>$ftoW</span>,<span>$ftoH</span>,<span>$srcW</span>,<span>$srcH</span><span>);
}
</span><span>if</span>(<span>function_exists</span>('imagejpeg')) ImageJpeg(<span>$ni</span>,<span>$toFile</span><span>);
</span><span>else</span> ImagePNG(<span>$ni</span>,<span>$toFile</span><span>);
ImageDestroy(</span><span>$ni</span><span>);
}</span><span>else</span><span>{
ImageDestroy(</span><span>$im</span><span>);
</span><span>return</span> <span>false</span><span>;
}
ImageDestroy(</span><span>$im</span><span>);
</span><span>return</span> <span>true</span><span>;
}
</span><span>//</span><span>去除字符串空格 </span>
<span>static</span> <span>function</span> strTrim(<span>$str</span><span>)
{
</span><span>return</span> <span>preg_replace</span>("/\s/","",<span>$str</span><span>);
}
</span><span>//</span><span>验证用户名 </span>
<span>static</span> <span>function</span> userName(<span>$str</span>,<span>$type</span>,<span>$len</span><span>)
{
</span><span>$str</span>=self::strTrim(<span>$str</span><span>);
</span><span>if</span>(<span>$len</span><<span>strlen</span>(<span>$str</span><span>))
{
</span><span>return</span> <span>false</span><span>;
}</span><span>else</span><span>{
</span><span>switch</span>(<span>$type</span><span>)
{
</span><span>case</span> "EN":<span>//</span><span>纯英文 </span>
<span>if</span>(<span>preg_match</span>("/^[a-zA-Z]+$/",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
</span><span>break</span><span>;
</span><span>case</span> "ENNUM":<span>//</span><span>英文数字 </span>
<span>if</span>(<span>preg_match</span>("/^[a-zA-Z0-9]+$/",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
</span><span>break</span><span>;
</span><span>case</span> "ALL": <span>//</span><span>允许的符号(|-_字母数字) </span>
<span>if</span>(<span>preg_match</span>("/^[\|\-\_a-zA-Z0-9]+$/",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
</span><span>break</span><span>;
}
}
}
</span><span>//</span><span>验证密码长度 </span>
<span>static</span> <span>function</span> passWord(<span>$min</span>,<span>$max</span>,<span>$str</span><span>)
{
</span><span>$str</span>=self::strTrim(<span>$str</span><span>);
</span><span>if</span>(<span>strlen</span>(<span>$str</span>)>=<span>$min</span> && <span>strlen</span>(<span>$str</span>)<=<span>$max</span><span>)
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
}
</span><span>//</span><span>验证Email </span>
<span>static</span> <span>function</span> Email(<span>$str</span><span>)
{
</span><span>$str</span>=self::strTrim(<span>$str</span><span>);
</span><span>if</span>(<span>preg_match</span>("/^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.){1,2}[a-z]{2,4}$/i",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
}
</span><span>//</span><span>验证身份证(中国) </span>
<span>static</span> <span>function</span> idCard(<span>$str</span><span>)
{
</span><span>$str</span>=self::strTrim(<span>$str</span><span>);
</span><span>if</span>(<span>preg_match</span>("/^([0-9]{15}|[0-9]{17}[0-9a-z])$/i",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
}
</span><span>//</span><span>验证座机电话 </span>
<span>static</span> <span>function</span> Phone(<span>$type</span>,<span>$str</span><span>)
{
</span><span>$str</span>=self::strTrim(<span>$str</span><span>);
</span><span>switch</span>(<span>$type</span><span>)
{
</span><span>case</span> "CHN":
<span>if</span>(<span>preg_match</span>("/^([0-9]{3}|0[0-9]{3})-[0-9]{7,8}$/",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
</span><span>break</span><span>;
</span><span>case</span> "INT":
<span>if</span>(<span>preg_match</span>("/^[0-9]{4}-([0-9]{3}|0[0-9]{3})-[0-9]{7,8}$/",<span>$str</span><span>))
{
</span><span>return</span> <span>true</span><span>;
}</span><span>else</span><span>{
</span><span>return</span> <span>false</span><span>;
}
</span><span>break</span><span>;
}
}
</span><span>/*</span><span>*
* 过滤二维数组的值
* @param 二维数组 $arr_data
* @param 一维数组 $field
* @return Ambigous <multitype:, string, unknown>
</span><span>*/</span>
<span>function</span> getarrayfield(<span>$arr_data</span>, <span>$field</span><span>)
{
</span><span>$resultArr</span> = <span>array</span><span>();
</span><span>foreach</span> ( <span>$arr_data</span> <span>as</span> <span>$key</span> => <span>$value</span><span> ) {
</span><span>foreach</span> (<span>$field</span> <span>as</span> <span>$k</span>=><span>$v</span><span>)
{
</span><span>if</span>(<span>array_key_exists</span>(<span>$v</span>, <span>$value</span>))<span>//</span><span>存在才添加 </span>
<span> {
</span><span>$resultArr</span>[<span>$key</span>][<span>$v</span>] =<span>$value</span>[<span>$v</span><span>] ;
}
</span><span>else</span><span>
{
</span><span>$resultArr</span>[<span>$key</span>][<span>$v</span>]="不存在这个列"<span>;
}
}
}
</span><span>return</span> <span>$resultArr</span><span>;
}
</span><span>/*</span><span>*
* 获取客户端IP地址
* @return ip
</span><span>*/</span>
<span>function</span><span> get_client_ip(){
</span><span>if</span> (<span>getenv</span>("HTTP_CLIENT_IP") && <span>strcasecmp</span>(<span>getenv</span>("HTTP_CLIENT_IP"), "unknown"<span>))
</span><span>$ip</span> = <span>getenv</span>("HTTP_CLIENT_IP"<span>);
</span><span>else</span> <span>if</span> (<span>getenv</span>("HTTP_X_FORWARDED_FOR") && <span>strcasecmp</span>(<span>getenv</span>("HTTP_X_FORWARDED_FOR"), "unknown"<span>))
</span><span>$ip</span> = <span>getenv</span>("HTTP_X_FORWARDED_FOR"<span>);
</span><span>else</span> <span>if</span> (<span>getenv</span>("REMOTE_ADDR") && <span>strcasecmp</span>(<span>getenv</span>("REMOTE_ADDR"), "unknown"<span>))
</span><span>$ip</span> = <span>getenv</span>("REMOTE_ADDR"<span>);
</span><span>else</span> <span>if</span> (<span>isset</span>(<span>$_SERVER</span>['REMOTE_ADDR']) && <span>$_SERVER</span>['REMOTE_ADDR'] && <span>strcasecmp</span>(<span>$_SERVER</span>['REMOTE_ADDR'], "unknown"<span>))
</span><span>$ip</span> = <span>$_SERVER</span>['REMOTE_ADDR'<span>];
</span><span>else</span>
<span>$ip</span> = "unknown"<span>;
</span><span>return</span>(<span>$ip</span><span>);
}
</span><span>function</span><span> get_http_user_agent(){
</span><span>return</span> <span>isset</span>(<span>$_SERVER</span>['HTTP_USER_AGENT']) ? <span>$_SERVER</span>['HTTP_USER_AGENT'] : ""<span>;
}
</span><span>/*</span><span>*
* 从IP地址获取真实地址
* @param IP $ip
</span><span>*/</span>
<span>function</span> get_address_from_ip(<span>$ip</span><span>){
</span><span>$url</span>='http://www.youdao.com/smartresult-xml/search.s?type=ip&q='<span>;
</span><span>$xml</span>=<span>file_get_contents</span>(<span>$url</span>.<span>$ip</span><span>);
</span><span>$data</span>=<span>simplexml_load_string</span>(<span>$xml</span><span>);
</span><span>return</span> <span>$data</span>->product-><span>location;
}
</span><span>/*</span><span>*
* 产生随机字串，可用来自动生成密码 默认长度6位 字母和数字混合
* @param string $len 长度
* @param string $type 字串类型
* 0 字母 1 数字 2 大写字母 3 小写字母 默认混合 4中文
* @param string $addChars 额外字符
* @return string
</span><span>*/</span>
<span>function</span> rand_string(<span>$len</span>=6,<span>$type</span>='',<span>$addChars</span>=''<span>) {
</span><span>$str</span> =''<span>;
</span><span>switch</span>(<span>$type</span><span>) {
</span><span>case</span> 0:
<span>$chars</span>='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.<span>$addChars</span><span>;
</span><span>break</span><span>;
</span><span>case</span> 1:
<span>$chars</span>= <span>str_repeat</span>('0123456789',3<span>);
</span><span>break</span><span>;
</span><span>case</span> 2:
<span>$chars</span>='ABCDEFGHIJKLMNOPQRSTUVWXYZ'.<span>$addChars</span><span>;
</span><span>break</span><span>;
</span><span>case</span> 3:
<span>$chars</span>='abcdefghijklmnopqrstuvwxyz'.<span>$addChars</span><span>;
</span><span>break</span><span>;
</span><span>case</span> 4:
<span>$chars</span> = "们以我到他会作时要动国产的一是工就年阶义发成部民可出能方进在了不和有大这主中人上为来分生对于学下级地个用同行面说种过命度革而多子后自社加小机也经力线本电高量长党得实家定深法表着水理化争现所二起政三好十战无农使性前等反体合斗路图把结第里正新开论之物从当两些还天资事队批点育重其思与间内去因件日利相由压员气业代全组数果期导平各基或月毛然如应形想制心样干都向变关问比展那它最及外没看治提五解系林者米群头意只明四道马认次文通但条较克又公孔领军流入接席位情运器并飞原油放立题质指建区验活众很教决特此常石强极土少已根共直团统式转别造切九你取西持总料连任志观调七么山程百报更见必真保热委手改管处己将修支识病象几先老光专什六型具示复安带每东增则完风回南广劳轮科北打积车计给节做务被整联步类集号列温装即毫知轴研单色坚据速防史拉世设达尔场织历花受求传口断况采精金界品判参层止边清至万确究书术状厂须离再目海交权且儿青才证低越际八试规斯近注办布门铁需走议县兵固除般引齿千胜细影济白格效置推空配刀叶率述今选养德话查差半敌始片施响收华觉备名红续均药标记难存测士身紧液派准斤角降维板许破述技消底床田势端感往神便贺村构照容非搞亚磨族火段算适讲按值美态黄易彪服早班麦削信排台声该击素张密害侯草何树肥继右属市严径螺检左页抗苏显苦英快称坏移约巴材省黑武培著河帝仅针怎植京助升王眼她抓含苗副杂普谈围食射源例致酸旧却充足短划剂宣环落首尺波承粉践府鱼随考刻靠够满夫失包住促枝局菌杆周护岩师举曲春元超负砂封换太模贫减阳扬江析亩木言球朝医校古呢稻宋听唯输滑站另卫字鼓刚写刘微略范供阿块某功套友限项余倒卷创律雨让骨远帮初皮播优占死毒圈伟季训控激找叫云互跟裂粮粒母练塞钢顶策双留误础吸阻故寸盾晚丝女散焊功株亲院冷彻弹错散商视艺灭版烈零室轻血倍缺厘泵察绝富城冲喷壤简否柱李望盘磁雄似困巩益洲脱投送奴侧润盖挥距触星松送获兴独官混纪依未突架宽冬章湿偏纹吃执阀矿寨责熟稳夺硬价努翻奇甲预职评读背协损棉侵灰虽矛厚罗泥辟告卵箱掌氧恩爱停曾溶营终纲孟钱待尽俄缩沙退陈讨奋械载胞幼哪剥迫旋征槽倒握担仍呀鲜吧卡粗介钻逐弱脚怕盐末阴丰雾冠丙街莱贝辐肠付吉渗瑞惊顿挤秒悬姆烂森糖圣凹陶词迟蚕亿矩康遵牧遭幅园腔订香肉弟屋敏恢忘编印蜂急拿扩伤飞露核缘游振操央伍域甚迅辉异序免纸夜乡久隶缸夹念兰映沟乙吗儒杀汽磷艰晶插埃燃欢铁补咱芽永瓦倾阵碳演威附牙芽永瓦斜灌欧献顺猪洋腐请透司危括脉宜笑若尾束壮暴企菜穗楚汉愈绿拖牛份染既秋遍锻玉夏疗尖殖井费州访吹荣铜沿替滚客召旱悟刺脑措贯藏敢令隙炉壳硫煤迎铸粘探临薄旬善福纵择礼愿伏残雷延烟句纯渐耕跑泽慢栽鲁赤繁境潮横掉锥希池败船假亮谓托伙哲怀割摆贡呈劲财仪沉炼麻罪祖息车穿货销齐鼠抽画饲龙库守筑房歌寒喜哥洗蚀废纳腹乎录镜妇恶脂庄擦险赞钟摇典柄辩竹谷卖乱虚桥奥伯赶垂途额壁网截野遗静谋弄挂课镇妄盛耐援扎虑键归符庆聚绕摩忙舞遇索顾胶羊湖钉仁音迹碎伸灯避泛亡答勇频皇柳哈揭甘诺概宪浓岛袭谁洪谢炮浇斑讯懂灵蛋闭孩释乳巨徒私银伊景坦累匀霉杜乐勒隔弯绩招绍胡呼痛峰零柴簧午跳居尚丁秦稍追梁折耗碱殊岗挖氏刃剧堆赫荷胸衡勤膜篇登驻案刊秧缓凸役剪川雪链渔啦脸户洛孢勃盟买杨宗焦赛旗滤硅炭股坐蒸凝竟陷枪黎救冒暗洞犯筒您宋弧爆谬涂味津臂障褐陆啊健尊豆拔莫抵桑坡缝警挑污冰柬嘴啥饭塑寄赵喊垫丹渡耳刨虎笔稀昆浪萨茶滴浅拥穴覆伦娘吨浸袖珠雌妈紫戏塔锤震岁貌洁剖牢锋疑霸闪埔猛诉刷狠忽灾闹乔唐漏闻沈熔氯荒茎男凡抢像浆旁玻亦忠唱蒙予纷捕锁尤乘乌智淡允叛畜俘摸锈扫毕璃宝芯爷鉴秘净蒋钙肩腾枯抛轨堂拌爸循诱祝励肯酒绳穷塘燥泡袋朗喂铝软渠颗惯贸粪综墙趋彼届墨碍启逆卸航衣孙龄岭骗休借".<span>$addChars</span><span>;
</span><span>break</span><span>;
</span><span>case</span> 5:
<span>$chars</span>='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'.<span>$addChars</span><span>;
</span><span>break</span><span>;
</span><span>default</span> :
<span>//</span><span> 默认去掉了容易混淆的字符oOLl和数字01，要添加请使用addChars参数 </span>
<span>$chars</span>='ABCDEFGHIJKMNPQRSTUVWXYZabcdefghijkmnpqrstuvwxyz23456789'.<span>$addChars</span><span>;
</span><span>break</span><span>;
}
</span><span>if</span>(<span>$len</span>>10 ) {<span>//</span><span>位数过长重复字符串一定次数 </span>
<span>$chars</span>= <span>$type</span>==1? <span>str_repeat</span>(<span>$chars</span>,<span>$len</span>) : <span>str_repeat</span>(<span>$chars</span>,5<span>);
}
</span><span>if</span>(<span>$type</span> == 4){ <span>//</span><span> 处理中文 </span>
<span>$chars</span> = <span>preg_replace</span>('/[^\\x{4e00}-\\x{9fa5}]/u', '', <span>$chars</span>); <span>//</span><span> //干掉非utf8中文字符 </span>
<span>$chars</span> = <span>chunk_split</span>(<span>$chars</span>,3,","); <span>//</span><span> //每隔3个字符插入一个“,”，转换为数组使用，使用strlen()测出php中一个中文霸占了3个 </span>
<span>$re</span> = <span>explode</span>(",",<span>$chars</span><span>);
</span><span>shuffle</span>(<span>$re</span>);<span>//</span><span>随机重新排序数组 </span>
<span>$chars</span> = <span>implode</span>(<span>$re</span><span>);
</span><span>unset</span>(<span>$re</span><span>);
</span><span>$str</span> = mb_substr(<span>$chars</span>,0,<span>$len</span>,"utf-8"<span>);
}</span><span>else</span><span>{
</span><span>$chars</span> = <span>str_shuffle</span>(<span>$chars</span><span>);
</span><span>$str</span> = <span>substr</span>(<span>$chars</span>,0,<span>$len</span><span>);
}
</span><span>return</span> <span>$str</span><span>;
}
</span><span>//</span><span>获取url中参数的值 </span>
<span>function</span> geturlval(<span>$url</span>,<span>$name</span><span>)
{
</span><span>$arr</span> = <span>parse_url</span>(<span>$url</span><span>);
</span><span>$arr_query</span> = <span>$this</span>->convertUrlQuery(<span>$arr</span>['query'<span>]);
</span><span>return</span> <span>$arr_query</span>[<span>$name</span><span>];
}
</span><span>function</span> convertUrlQuery(<span>$query</span><span>)
{
</span><span>$queryParts</span> = <span>explode</span>('&', <span>$query</span><span>);
</span><span>$params</span> = <span>array</span><span>();
</span><span>foreach</span> (<span>$queryParts</span> <span>as</span> <span>$param</span><span>)
{
</span><span>$item</span> = <span>explode</span>('=', <span>$param</span><span>);
</span><span>$params</span>[<span>$item</span>[0]] = <span>$item</span>[1<span>];
}
</span><span>return</span> <span>$params</span><span>;
}
</span><span>/*</span><span>*
* 抓取远程图片
*
* @param string $url 远程图片路径
* @param string $filename 本地存储文件名
</span><span>*/</span>
<span>function</span> grabImage(<span>$url</span>, <span>$savepath</span><span>) {
</span><span>if</span>(<span>$url</span> ==""<span>) {
</span><span>return</span> <span>false</span>; <span>//</span><span>如果 $url 为空则返回 false; </span>
<span> }
</span><span>$ext_name</span> = <span>strrchr</span>(<span>$url</span>, '.'); <span>//</span><span>获取图片的扩展名 </span>
<span>if</span>(<span>$ext_name</span> != '.gif' && <span>$ext_name</span> != '.jpg' && <span>$ext_name</span> != '.bmp' && <span>$ext_name</span> != '.png'<span>) {
</span><span>return</span> <span>false</span>; <span>//</span><span>格式不在允许的范围 </span>
<span> }
</span><span>//</span><span>获取原图片名 </span>
<span>$filename</span> = <span>$savepath</span>.'\\'.<span>end</span>(<span>explode</span>('/',<span>$url</span><span>));
</span><span>//</span><span>开始捕获 </span>
<span>ob_start</span><span>();
</span><span>readfile</span>(<span>$url</span><span>);
</span><span>$img_data</span> = <span>ob_get_contents</span><span>();
</span><span>ob_end_clean</span><span>();
</span><span>$size</span> = <span>strlen</span>(<span>$img_data</span><span>);
</span><span>$local_file</span> = <span>fopen</span>(<span>$filename</span> , 'a'<span>);
</span><span>echo</span> <span>$filename</span><span>;
</span><span>if</span>(<span>fwrite</span>(<span>$local_file</span>, <span>$img_data</span>)== <span>FALSE</span><span>){
</span><span>echo</span> '图片下载失败'<span>;
}
</span><span>fclose</span>(<span>$local_file</span><span>);
</span><span>return</span> <span>$filename</span><span>;
}
}
</span>?>
声明
本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系admin@php.cn
PHP和Python：解释了不同的范例Apr 18, 2025 am 12:26 AMPHP主要是过程式编程，但也支持面向对象编程（OOP）；Python支持多种范式，包括OOP、函数式和过程式编程。PHP适合web开发，Python适用于多种应用，如数据分析和机器学习。
PHP和Python：深入了解他们的历史Apr 18, 2025 am 12:25 AMPHP起源于1994年，由RasmusLerdorf开发，最初用于跟踪网站访问者，逐渐演变为服务器端脚本语言，广泛应用于网页开发。Python由GuidovanRossum于1980年代末开发，1991年首次发布，强调代码可读性和简洁性，适用于科学计算、数据分析等领域。
在PHP和Python之间进行选择：指南Apr 18, 2025 am 12:24 AMPHP适合网页开发和快速原型开发，Python适用于数据科学和机器学习。1.PHP用于动态网页开发，语法简单，适合快速开发。2.Python语法简洁，适用于多领域，库生态系统强大。
PHP和框架：现代化语言Apr 18, 2025 am 12:14 AMPHP在现代化进程中仍然重要，因为它支持大量网站和应用，并通过框架适应开发需求。1.PHP7提升了性能并引入了新功能。2.现代框架如Laravel、Symfony和CodeIgniter简化开发，提高代码质量。3.性能优化和最佳实践进一步提升应用效率。
PHP的影响：网络开发及以后Apr 18, 2025 am 12:10 AMPHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip
PHP类型提示如何起作用，包括标量类型，返回类型，联合类型和无效类型？Apr 17, 2025 am 12:25 AMPHP类型提示提升代码质量和可读性。1)标量类型提示：自PHP7.0起，允许在函数参数中指定基本数据类型，如int、float等。2)返回类型提示：确保函数返回值类型的一致性。3)联合类型提示：自PHP8.0起，允许在函数参数或返回值中指定多个类型。4)可空类型提示：允许包含null值，处理可能返回空值的函数。
PHP如何处理对象克隆（克隆关键字）和__clone魔法方法？Apr 17, 2025 am 12:24 AMPHP中使用clone关键字创建对象副本，并通过\_\_clone魔法方法定制克隆行为。1.使用clone关键字进行浅拷贝，克隆对象的属性但不克隆对象属性内的对象。2.通过\_\_clone方法可以深拷贝嵌套对象，避免浅拷贝问题。3.注意避免克隆中的循环引用和性能问题，优化克隆操作以提高效率。
PHP与Python：用例和应用程序Apr 17, 2025 am 12:23 AMPHP适用于Web开发和内容管理系统，Python适合数据科学、机器学习和自动化脚本。1.PHP在构建快速、可扩展的网站和应用程序方面表现出色，常用于WordPress等CMS。2.Python在数据科学和机器学习领域表现卓越，拥有丰富的库如NumPy和TensorFlow。
热AI工具
Undresser.AI Undress
人工智能驱动的应用程序，用于创建逼真的裸体照片
AI Clothes Remover
用于从照片中去除衣服的在线人工智能工具。
Undress AI Tool
免费脱衣服图片
Clothoff.io
AI脱衣机
AI Hentai Generator
免费生成ai无尽的。
热门文章
R.E.P.O.能量晶体解释及其做什么（黄色晶体）
1 个月前By尊渡假赌尊渡假赌尊渡假赌
R.E.P.O.最佳图形设置
1 个月前By尊渡假赌尊渡假赌尊渡假赌
刺客信条阴影：贝壳谜语解决方案
3 周前ByDDD
Windows 11 KB5054979中的新功能以及如何解决更新问题
2 周前ByDDD
威尔R.E.P.O.有交叉游戏吗？
1 个月前By尊渡假赌尊渡假赌尊渡假赌
热工具
MinGW - 适用于 Windows 的极简 GNU
这个项目正在迁移到osdn.net/projects/mingw的过程中，你可以继续在那里关注我们。MinGW：GNU编译器集合（GCC）的本地Windows移植版本，可自由分发的导入库和用于构建本地Windows应用程序的头文件；包括对MSVC运行时的扩展，以支持C99功能。MinGW的所有软件都可以在64位Windows平台上运行。
Dreamweaver CS6
视觉化网页开发工具
WebStorm Mac版
好用的JavaScript开发工具
ZendStudio 13.5.1 Mac
功能强大的PHP集成开发环境
记事本++7.3.1
好用且免费的代码编辑器
