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【php 股票包】PHP 的简介

作者:admin
来源:https://www.wendait.com
日期:2019-07-14 20:26
php 股票包

php 股票包<?php$$arr=['a','b','c','d',];foreach($$arras&$$each){echo$$each;}echoPHP_EOL;foreach($$arras$$each){echo$$each;}这段代码很简单,输出数组的元素两次,感受会输出两次abcd?欠好意思,输出成果以下:php股票包下面,我们供给了一个简单的PHP文件实例,它可以向阅读器输出文本"HelloWorld":php股票包<?php$$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");foreach($$ageas$$x=>$$x_value){echo"Key=".$$x.",Value=".$$x_value;echo"<br>";}?>php股票包<html><head><metacharset="utf-8"><title>菜鸟教程(runoob.com)</title></head><body><formaction="welcome.php"method="get">名字:<inputtype="text"name="fname">春秋:<inputtype="text"name="age"><inputtype="submit"value="提交"></form></body></html>php股票包mysql>setnamesutf8;mysql>SELECTnameFROMwebsites;++|name|++|Google||淘宝||菜鸟教程||微博||Facebook||stackoverflow|++6rowsinset(0.00sec)php股票包<?php//界说变量并默许设置为空值$$name=$$email=$$gender=$$comment=$$website="";if($$_SERVER["REQUEST_METHOD"]=="POST"){$$name=test_input($$_POST["name"]);$$email=test_input($$_POST["email"]);$$website=test_input($$_POST["website"]);$$comment=test_input($$_POST["comment"]);$$gender=test_input($$_POST["gender"]);}functiontest_input($$data){$$data=trim($$data);$$data=stripslashes($$data);$$data=htmlspecialchars($$data);return$$data;}?>php股票包<?phpecho"<table>";echo"<tr><th>Id</th><th>Firstname</th><th>Lastname</th></tr>";classTableRowsextendsRecursiveIteratorIterator{function__construct($$it){parent::__construct($$it,self::LEAVES_ONLY);}functioncurrent{return"<td>".parent::current."</td>";}functionbeginChildren{echo"<tr>";}functionendChildren{echo"</tr>"."\n";}}$$servername="localhost";$$username="username";$$password="password";$$dbname="myDBPDO";try{$$conn=newPDO("mysql:host=$$servername;dbname=$$dbname",$$username,$$password);$$conn->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);$$stmt=$$conn->prepare("SELECTid,firstname,lastnameFROMMyGuests");$$stmt->execute;//设置成果集为联系关系数组$$result=$$stmt->setFetchMode(PDO::FETCH_ASSOC);foreach(newTableRows(newRecursiveArrayIterator($$stmt->fetchAll))as$$k=>$$v){echo$$v;}}catch(PDOException$$e){echo"Error:".$$e->getMessage;}$$conn=null;echo"</table>";?>php股票包<?phpclassEmp{public$$name="";public$$hobbies="";public$$birthdate="";}$$e=newEmp;$$e->name="sachin";$$e->hobbies="sports";$$e->birthdate=date('m/d/Yh:i:sa',"8/5/197412:20:03p");$$e->birthdate=date('m/d/Yh:i:sa',strtotime("8/5/197412:20:03"));echojson_encode($$e);?>php股票包<html><head><metacharset="utf-8"><title>菜鸟教程(runoob.com)</title></head><body><formaction="welcome.php"method="post">名字:<inputtype="text"name="name">春秋:<inputtype="text"name="age"><inputtype="submit"></form></body></html>php股票包<?php//毛病处置函数functioncustomError($$errno,$$errstr){echo"Error:[$$errno]$$errstr<br>";echo"已通知网站办理员";error_log("Error:[$$errno]$$errstr",1,"someone@example.com","From:webmaster@example.com");}//设置毛病处置函数set_error_handler("customError",E_USER_WARNING);//触发毛病$$test=2;if($$test>1){trigger_error("变量值必需小于等于1",E_USER_WARNING);}?>

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