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1.phpÊý×é»ù´¡£º
<?php
$ary2 = "zqhung_hongzequan_zqhong";
$arr3 =explode("_",$ary2);//²ð·Ö×Ö·û´®
echo $arr3[1];//´òÓ¡³öÀ´µÄ½á¹ûÊÇhongzequan
$ary1 = array("aa","bb");
$ary1[0]="zqhung";//ÐÞ¸ÄÊý×éÖеÄÖµ
echo $ary1[0],"<br>";//´òÓ¡³öÀ´µÄ½á¹ûÊÇzqhung
$ary3 = array("id"=>55);
$aa = is_array($ary1);//ÅжϱäÁ¿ÊÇ·ñΪÊý×é
echo $aa,"<br>";
echo count($ary1),"<br>";//ÅжÏÊý×éÖÐÔªËØµÄ¸öÊý
foreach($arr3 as $key=>$value)//±éÀúÊý×éÖеÄÔªËØ
{
echo $value,"<br>";
}
?>
 2.Á¬½Ómysql
<?php
$conn = @ mysql_connect("localhost", "root", "") or die("Á¬½Óʧ°Ü");//Á¬½Ómysql
mysql_select_db("quanquanfly", $conn) or die("Á¬½Óʧ°Ü");//Á¬½ÓquanquanflyÊý¾Ý¿â
$sql = "insert into aa (name,age) value ('1','2')";
mysql_query($sql, $conn);//Ö´ÐвåÈë²Ù×÷
/**
* Ö´Ðвéѯ²¢ÏÔʾ²Ù×÷
*/
$sql1 = "select * from aa";
$query = mysql_query($sql1,$conn);
$select = mysql_fetch_array($query);
while ($select = mysql_fetch_array($query)) {
echo $select[age], "<br><hr>";
}
echo mysql_num_rows($query);//±íÖеÄÌõÄ¿Êý
mysql_close($conn);//¹Ø±ÕÁ¬½Ó
?>


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php evalº¯ÊýÓ÷¨ PHPÖÐeval()º¯ÊýС¼¼ÇÉ

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<?php
/* Åжϳ£Á¿ÊÇ·ñ´æÔÚ*/
if (defined('MYCONSTANT')) {
echo MYCONSTANT;
}
//ÅжϱäÁ¿ÊÇ·ñ´æÔÚ
if (isset($myvar)) {
echo "´æÔÚ±äÁ¿$myvar.";
}
//ÅжϺ¯ÊýÊÇ·ñ´æÔÚ
if (function_exists('imap_open')) {
echo "´æÔÚº¯Êýimag_open\n";
} else {
echo "º¯Êýimag_open²»´æÔÚ\n";
}
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