PHP笔记

<?php//统计访问量
    if(!@$fp=fopen("num.txt","r")){
        echo "num.txt文件创建成功！<br>";
    }
    $num=@fgets($fp,12);
    if($num=="")
        $num=0;
    $num++;
    @fclose($fp);
    $fp=fopen("num.txt","w");
    fwrite($fp,$num);
    echo "你是第&nbsp;<font size='50' color='red'><b><i>".$num."</i></b></font>&nbsp;个访问者";
    fclose($fp);
?>

PHP操作XML

<?xml version="1.0"?>
<resultset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

	<row>
		<field name="ID">1738552</field>
		<field name="ContactID">1673403</field>
		<field name="CCContactID" xsi:nil="true" />
		<field name="SFContactID" xsi:nil="true" />
		<field name="ContactType">32</field>
		<field name="ContactStatus">0</field>
		<field name="CustomerID">1100</field>
		<field name="MpUserID">0</field>
		<field name="CorpRepContactName" xsi:nil="true" />
		<field name="CreatedTime">2015-11-18 14:23:43</field>
		<field name="CreatedBy">0</field>
		<field name="LastModifiedTime">2015-11-18 14:23:43</field>
		<field name="LastModifiedBy">-41153</field>
		<field name="DeletedTime" xsi:nil="true" />
		<field name="Owner" xsi:nil="true" />
		<field name="ApproveID">0</field>
		<field name="ApproveBy">-41153</field>
		<field name="ApproveStatus">3</field>
		<field name="ApproveComment" xsi:nil="true" />
		<field name="EventID">0</field>
		<field name="Status">1</field>
		<field name="ContactName">李**</field>
		<field name="ContactMobile">1381****099</field>
		<field name="ContactEmail"></field>
		<field name="ContactTitle">财务经理</field>
		<field name="ContactPhone" xsi:nil="true" />
		<field name="ContactComment" xsi:nil="true" />
		<field name="GlobalAreaCode">+86</field>
		<field name="SourceType">0</field>
	</row>
</resultset>

　　

<?php 
header("content-type:text/html; charset=utf-8");   
$xml = simplexml_load_file("query_result.xml"); 

foreach($xml->row as $rows){
	$a = (array)$rows;
	//print_r(count($a['field']));
	
	for($i = 0; $i < count($a['field']); $i++){
		print($a['field'][$i]);
		print("<br/>");
	}
	
	foreach($rows->field as $field){
		//print_r($field);
		$arr = (array)$field;
		print_r($arr['@attributes']['name']);
		print("<br/>");
	}
	
	break;
}
?>

　　

1738552
1673403


32
0
1100
0

2015-11-18 14:23:43
0
2015-11-18 14:23:43
-41153


0
-41153
3

0
1
李**
1381****099

财务经理


+86
0
ID
ContactID
CCContactID
SFContactID
ContactType
ContactStatus
CustomerID
MpUserID
CorpRepContactName
CreatedTime
CreatedBy
LastModifiedTime
LastModifiedBy
DeletedTime
Owner
ApproveID
ApproveBy
ApproveStatus
ApproveComment
EventID
Status
ContactName
ContactMobile
ContactEmail
ContactTitle
ContactPhone
ContactComment
GlobalAreaCode
SourceType