php smarty function extension_PHP tutorial

中文截取 modifier.cn_truncate.php

复制代码 代码如下:

function smarty_modifier_cn_truncate($string, $strlen = 20, $etc = '...',
$keep_first_style = false)
{
$strlen = $strlen*2;
$string = trim($string);
if ( strlen($string) return $string;
}
$str = strip_tags($string);
$j = 0;
for($i=0;$iif(ord(substr($str,$i,1))>0xa0) $j++;
}
if($j%2!=0) $strlen++;
$rstr=substr($str,0,$strlen);
if (strlen($str)>$strlen ) {$rstr .= $etc;}
if ( $keep_first_style == true && ereg('^$',$string) ) {
if ( strlen($str) return $string;
}
$start_pos = strpos($string,substr($str,0,4));
$end_pos = strpos($string,substr($str,-4));
$end_pos = $end_pos+4;
$rstr = substr($string,0,$start_pos) . $rstr . substr($string,$end_pos,strlen($string));
}
return $rstr;
}

modifier.ubb.php

复制代码 代码如下:

function smarty_modifier_ubb($str) {
$ubbs['quote'][0] = '/[quote](.*?)[/quote]/s';
$ubbs['quote'][1] = '

引用:

---

1

---

';
$ubbs['b'][0] = '/[b](.*?)[/b]/s';
$ubbs['b'][1] = '1';
$ubbs['i'][0] = '/[i](.*?)[/i]/s';
$ubbs['i'][1] = '1';
$ubbs['u'][0] = '/[u](.*?)[/u]/s';
$ubbs['u'][1] = '1';
$ubbs['li'][0] = '/[li](.*?)[/li]/s';
$ubbs['li'][1] = '

1

';
$ubbs['img'][0] = '/[img](.*?)[/img]/s';
$ubbs['img'][1] = '';
$ubbs['img2'][0] = '/[img=([^,]+),([^]]+)](.*?)[/img]/s';
$ubbs['img2'][1] = '';
$ubbs['url'][0] = '/[url](.*?)[/url]/s';
$ubbs['url'][1] = '1';
$ubbs['url2'][0] = '/[url=([^]]+)](.*?)[/url]/s';
$ubbs['url2'][1] = '2';
$ubbs['email'][0] = '/[email=([^]]+)](.*?)[/email]/s';
$ubbs['email'][1] = '2';
$ubbs['qq'][0] = '/[qq]([0-9]{5,10})[/qq]/s';
$ubbs['qq'][1] = '';
$ubbs['color'][0] = '/[color=([^]]+)](.*?)[/color]/s';
$ubbs['color'][1] = '2';
$ubbs['font'][0] = '/[font=([^]]+)](.*?)[/font]/s';
$ubbs['font'][1] = '2';
$ubbs['size'][0] = '/[size=([0-9]+)](.*?)[/size]/s';
$ubbs['size'][1] = '2';
$ubbs['sizept'][0] = '/[size=([0-9,pt]+)](.*?)[/size]/s';
$ubbs['sizept'][1] = '2';
$ubbs['align'][0] = '/[align=([^]]+)](.*?)[/align]/s';
$ubbs['align'][1] = '

2';
$ubbs['media'][0] = '/[media](.*?)[/media]/s';
$ubbs['media'][1] = '';
$ubbs['list'][0] = '/[list](.*?)[/list]/s';
$ubbs['list'][1] = '

1

';
$ubbs['list2'][0] = '/[list=([0-9]+)](.*?)[/list]/s';
$ubbs['list2'][1] = '

2

';
$ubbs['indent'][0] = '/[indent](.*?)[/indent]/s';
$ubbs['indent'][1] = '

1';
$ubbs['table'][0] = '/[table([=,0-9,%]*)](.*?)[/table]/s';
$ubbs['table'][1] = '2';
$ubbs['tr'][0] = '/[tr](.*?)[/tr]/s';
$ubbs['tr'][1] = '1';
$ubbs['td'][0] = '/[td](.*?)[/td]/s';
$ubbs['td'][1] = '

1'; $ubbs['td2'][0] = '/[td([^(]|[)]+)](.*?)[/td]/s'; $ubbs['td2'][1] = '

2'; $str = str_replace('[*]',' ',$str); foreach ($ubbs as $ubb){ $str = ubb_replace($ubb[0],$ubb[1],$str); } return $str; } function ubb_replace($pattern,$replacement,$str){ do { $str_ret = $str; $str = preg_replace($pattern,$replacement,$str); }while($$str); return $str_ret; } ?> 编码 modifier.unescape.php 复制代码 代码如下: function smarty_modifier_unescape($str) { $str = rawurldecode($str); preg_match_all("/(?:%u.{4})|[^%]+/",$str,$r); $ar = $r[0]; foreach($ar as $k=>$v) { if(substr($v,0,2) == "%u" && strlen($v) == 6) $ar[$k] = iconv("UCS-2","GB2312",@pack("H4",substr($v,-4))); } return join("",$ar); } http://www.bkjia.com/PHPjc/321504.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/321504.htmlTechArticleChinese intercept modifier.cn_truncate.php Copy the code as follows: function smarty_modifier_cn_truncate($string, $strlen = 20, $ etc = '...', $keep_first_style = false) { $strlen = $s...