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<?php
function myFun(){
echo "hello,ÕÅÈý";
}
//ÀûÓÃfunction_exists·½·¨ÅжÏ×Ô¶¯ÒÔ·½·¨ÊÇ·ñ´æÔÚ
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//"myFun"»òmyFun
if(function_exists(myFun)){
echo "´æÔÚ";
}else{
echo "²»´æÔÚ";
}
?>
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function passport_encrypt($txt, $key) {
srand((double)microtime() * 1000000);
$encrypt_key = md5(rand(0, 32000));
$ctr = 0;
$tmp = ''; ......
header("Content-Type:text/html;charset=utf8"); ·Åµ½PHP¿ªÍ·´¦
$link=mysql_connect("localhost","root","110110");//Á´½Ó
mysql_select_db("blog",$link);//Ñ¡ÔñÊý¾Ý¿â
mysql_query("SET character_set_results=gbk", $link);//×Ö·û±àÂë ......
//»Ø³µ£º[\n\r\t]
$reg="|typeid=\"(.*)\" onsel.*[\n\r\t]*<a href="\" mce_href="\""#\">(.*)</a>|";
preg_match_all ($reg,
$html,
$out, PREG_PATTERN_ORDER);
foreach ($out as $value){
foreach ($value as $value2){
if(strlen($value2)<20)
echo ($value2."<br>");
}
} ......
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<?php
//ʹÓÃfunction¹Ø¼ü×Ö¶¨Òå·½·¨
function num($value,$value2 = 'ÄúºÃ£¡'){
echo $value.$value2;
}
//µÚÒ»´Îµ÷ÓÃ
num("ÕÅÈý");
//µÚ¶þ´Îµ÷ÓÃ
//¿ÉÒÔ¿´³ö£¬¸Ã·½·¨¶¨Òåʱ£¬µÚ¶ ......