Php 简单的数组访问和操作方法
我设计了一个阵列，我需要一些帮助，因为我有很多头疼的事。谁能给我一个简单的想法，如何用一种简单的方式来处理这个问题 当我尝试在数组中添加一些值时，大多数错误都是数组偏移错误 我的阵列：Php 简单的数组访问和操作方法,php,arrays,Php,Arrays,我设计了一个阵列，我需要一些帮助，因为我有很多头疼的事。谁能给我一个简单的想法，如何用一种简单的方式来处理这个问题 当我尝试在数组中添加一些值时，大多数错误都是数组偏移错误 我的阵列： $info = array ( "id" => "", "city" => "", "university" => array ( "name" => "", "address" => "", "
$info = array
(
"id" => "",
"city" => "",
"university" => array
(
"name" => "",
"address" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
"faculty" => array
(
"name" => "",
"adress" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
)
)
);
<?php
// HTML DOM PARSER LIBRARY
include('hdp.php');
//error_reporting(false);
/*
* Returns an array with field associative name and
* extracted value, using a specified delimiter.
*/
function extractField($str, $delim)
{
$val = '';
// All possible fields
$posFlds = array
(
'Adresa' => 'address',
'Telefon' => 'phone',
'Fax' => 'fax',
'Email' => 'email',
'Website' => 'website',
'Tip' => 'type'
);
foreach($posFlds as $fldName => $assocName)
{
if(strstr($str,$fldName))
{
$val = @explode($delim,$str);
if (!$val[1])
{
print 'Delimiter `'.$delim.'` not found!';
return false;
}
return array($assocName, $val[1]);
}
}
return false;
}
// DB->Table query structure
$info = array
(
"id" => "",
"city" => "",
"university" => array
(
"name" => "",
"address" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
"faculty" => array
(
"name" => "",
"adress" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
)
)
);
// City identifier
$cityid = 0;
// Rows, columns and deep identifiers
$i = 0; $j = 0; $k = 0;
// Base, secondary and third crawl url
$baseUrl = 'XXX';
$secondaryUrl = ''; $thirdUrl ='';
// Html contents without stripped tags (as is)
$htmlCu = file_get_html($baseUrl);
$htmltUn = ''; $htmltFa = '';
// Selectors for third level deep check
$selectCu = $htmlCu->find('td[width="100%"] table td');
$selectUn = ''; $selectFa ='';
// Text formats (raw and cleaned)
$rtext =''; $ftext = '';
// Contoare
$a=0; $b=0; $c=0;
// Select each row from parent td -> child table -> child td
foreach($selectCu as $row)
{
// Skip first row result
if($i != 0)
{
$rtext = $row->plaintext;
$ftext = trim($rtext,' • ');
if($ftext != '-')
{
// If string contains a dot it is a city
if(strstr($rtext, '•'))
{
print "CITY = ".$ftext."<br>";
$cityid++;
$info[$a]["city"] = $ftext;
}
// If string is not a city, then is a university
else
{
$info[$a]["city"][$b]['university']['name'] = $ftext;
echo "<b>----ID [".$i."]; NAME:</b> ".$ftext."<br>";
$secondaryUrl = $row->find('a',0)->href;
$htmlUn = file_get_html($secondaryUrl);
$selectUn = $htmlUn->find('td[width="100%"] table tr');
foreach($selectUn as $col)
{
// Skip first row result
if($j != 0)
{
$rtext = $col->plaintext;
$ftext = trim($rtext,' • ');
echo "--------ID[".$j."] NAME: <b>".$ftext."</b>; TYPE: ".gettype($col)."<br>";
// key 0 -> associative name; key 1 -> value
$field = extractField($ftext,': ');
if($field)
{
echo "--------<b>Field name:</b> ".$field[0]."<b>, value:</b> ".$field[1]."<br>";
}
/////////////////////////////TESTTTTTT ZONEEEEEEEEEEEEEEE/////////////////////////////
// If string contains a dot it is a faculty
if(strstr($rtext, '•'))
{
$thirdUrl = $col->find('a',0)->href;
$htmlFa = file_get_html($thirdUrl);
$selectFa = $htmlFa->find('td[width="100%"] table tr');
foreach($selectFa as $deep)
{
$rtext = $deep->plaintext;
$ftext = trim($rtext,' • ');
//echo "------------id[".$k."] <-> <b>".$ftext."</b> <-> ".gettype($deep)."<br>";
$field = extractField($ftext,': ');
if($field)
{
echo "------------<b>Field name:</b> ".$field[0]."<b>, value:</b> ".$field[1]."<br>";
}
$k++;
}
echo "<br><br>";
}
}
$j++;
}
echo "<br><br>";
}
}
}
$i++;
if($cityid == 2) break;
}
print "<h1>".($i-1)."</h1>";
print_r($info);
$info = array
(
"id" => "",
"city" => "",
"university" => array
(
"name" => "",
"address" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
"faculty" => array
(
"name" => "",
"adress" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
)
)
);
<?php
// HTML DOM PARSER LIBRARY
include('hdp.php');
//error_reporting(false);
/*
* Returns an array with field associative name and
* extracted value, using a specified delimiter.
*/
function extractField($str, $delim)
{
$val = '';
// All possible fields
$posFlds = array
(
'Adresa' => 'address',
'Telefon' => 'phone',
'Fax' => 'fax',
'Email' => 'email',
'Website' => 'website',
'Tip' => 'type'
);
foreach($posFlds as $fldName => $assocName)
{
if(strstr($str,$fldName))
{
$val = @explode($delim,$str);
if (!$val[1])
{
print 'Delimiter `'.$delim.'` not found!';
return false;
}
return array($assocName, $val[1]);
}
}
return false;
}
// DB->Table query structure
$info = array
(
"id" => "",
"city" => "",
"university" => array
(
"name" => "",
"address" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
"faculty" => array
(
"name" => "",
"adress" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
)
)
);
// City identifier
$cityid = 0;
// Rows, columns and deep identifiers
$i = 0; $j = 0; $k = 0;
// Base, secondary and third crawl url
$baseUrl = 'XXX';
$secondaryUrl = ''; $thirdUrl ='';
// Html contents without stripped tags (as is)
$htmlCu = file_get_html($baseUrl);
$htmltUn = ''; $htmltFa = '';
// Selectors for third level deep check
$selectCu = $htmlCu->find('td[width="100%"] table td');
$selectUn = ''; $selectFa ='';
// Text formats (raw and cleaned)
$rtext =''; $ftext = '';
// Contoare
$a=0; $b=0; $c=0;
// Select each row from parent td -> child table -> child td
foreach($selectCu as $row)
{
// Skip first row result
if($i != 0)
{
$rtext = $row->plaintext;
$ftext = trim($rtext,' • ');
if($ftext != '-')
{
// If string contains a dot it is a city
if(strstr($rtext, '•'))
{
print "CITY = ".$ftext."<br>";
$cityid++;
$info[$a]["city"] = $ftext;
}
// If string is not a city, then is a university
else
{
$info[$a]["city"][$b]['university']['name'] = $ftext;
echo "<b>----ID [".$i."]; NAME:</b> ".$ftext."<br>";
$secondaryUrl = $row->find('a',0)->href;
$htmlUn = file_get_html($secondaryUrl);
$selectUn = $htmlUn->find('td[width="100%"] table tr');
foreach($selectUn as $col)
{
// Skip first row result
if($j != 0)
{
$rtext = $col->plaintext;
$ftext = trim($rtext,' • ');
echo "--------ID[".$j."] NAME: <b>".$ftext."</b>; TYPE: ".gettype($col)."<br>";
// key 0 -> associative name; key 1 -> value
$field = extractField($ftext,': ');
if($field)
{
echo "--------<b>Field name:</b> ".$field[0]."<b>, value:</b> ".$field[1]."<br>";
}
/////////////////////////////TESTTTTTT ZONEEEEEEEEEEEEEEE/////////////////////////////
// If string contains a dot it is a faculty
if(strstr($rtext, '•'))
{
$thirdUrl = $col->find('a',0)->href;
$htmlFa = file_get_html($thirdUrl);
$selectFa = $htmlFa->find('td[width="100%"] table tr');
foreach($selectFa as $deep)
{
$rtext = $deep->plaintext;
$ftext = trim($rtext,' • ');
//echo "------------id[".$k."] <-> <b>".$ftext."</b> <-> ".gettype($deep)."<br>";
$field = extractField($ftext,': ');
if($field)
{
echo "------------<b>Field name:</b> ".$field[0]."<b>, value:</b> ".$field[1]."<br>";
}
$k++;
}
echo "<br><br>";
}
}
$j++;
}
echo "<br><br>";
}
}
}
$i++;
if($cityid == 2) break;
}
print "<h1>".($i-1)."</h1>";
print_r($info);
在这些调用中，您以错误的方式访问阵列：
$info[$a]["city"] = $ftext;
$info[$a]["city"][$b]['university']['name'] = $ftext;
正确答案是：
$info["city"] = $ftext;
$info["city"]['university']['name'] = $ftext;
似乎要处理多个$info
-数组。为此，您必须创建一个由这些信息数组组成的数组。最终代码和工作代码，如果有人认为这有用：
// HTML DOM PARSER LIBRARY
include('hdp.php');
error_reporting(true);
// Session to know what last city was
session_start();
if (!$_SESSION['LAST']) $_SESSION['LAST'] = NULL;
/*
* Returns an array with field associative name and
* extracted value, using a specified delimiter.
*/
function extractField($str, $delim)
{
$val = '';
// All possible fields
$posFlds = Array
(
'Adresa' => 'address',
'Telefon' => 'phone',
'Fax' => 'fax',
'Email' => 'email',
'Website' => 'website',
'Tip' => 'type'
);
foreach($posFlds as $fldName => $assocName)
{
if(strstr($str,$fldName))
{
$val = @explode($delim,$str);
if (!$val[1])
{
print 'Delimiter `'.$delim.'` not found!';
return false;
}
return array($assocName, $val[1]);
}
}
return false;
}
// Trying to connect to local server
$conn = mysqli_connect("localhost","root","","educatie") or die("Could not connect to MySQL server!");
if (mysqli_connect_errno($conn))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// DB->Table Query structure
$info = Array
(
"city" => Array
(
"name" => "",
"university" => Array
(
"name" => "",
"address" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
"faculty" => Array
(
"name" => "",
"adress" => "",
"phone" => "",
"fax" => "",
"email" => "",
"website" => "",
"type" => "",
)
),
)
);
// City identifier
$cityid = 0;
// Rows, columns and deep identifiers
$i = 0; $j = 0; $k = 0;
// Base, secondary and third crawl url
$baseUrl = 'http://infoportal.rtv.net/informatii_universitati.html';
$secondaryUrl = ''; $thirdUrl ='';
// Html contents without stripped tags (as is)
$htmlCu = file_get_html($baseUrl);
$htmltUn = ''; $htmltFa = '';
// Selectors for third level deep check
$selectCu = $htmlCu->find('td[width="100%"] table td');
$selectUn = ''; $selectFa ='';
// Text formats (raw and cleaned)
$rtext =''; $ftext = '';
// Ignore tokens
$banned = array(" ","•","""," ");
// Counters A, B and C
$a=0; $b=0; $c=0;
// Temporary variables
$tmpVar = '';
// Select each row from parent td -> child table -> child td
foreach($selectCu as $row)
{
// Skip first row result
if($i != 0)
{
$rtext = $row->plaintext;
$ftext = trim($rtext,' • ');
if($ftext != '-')
{
// If string contains a dot it is a city
if(strstr($rtext, '•'))
{
if(($_SESSION['LAST'] !== $ftext) && ($_SESSION['LAST'] !== NULL)) continue;
print "<h1>-> Oras: ".$ftext."</h1><br>";
echo "SESSION:".$_SESSION['LAST']."|<br />";
$tmpVar = $ftext;
}
// If string is not a city, then is a university
else
{
$a--;
$info[$a]['city']['name'] = $tmpVar;
$info[$a]['city']['university'][$b]['name'] = $ftext;
$secondaryUrl = $row->find('a',0)->href;
$htmlUn = file_get_html($secondaryUrl);
$selectUn = $htmlUn->find('td[width="100%"] table tr');
foreach($selectUn as $col)
{
// Skip first row result
if($j != 0)
{
$rtext = $col->plaintext;
$ftext = trim($rtext,' • ');
// key 0 -> associative name; key 1 -> value
$field = extractField($ftext,': ');
if($field)
{
if(strstr($field[1],'de stat'))
$info[$a]['city']['university'][$b][$field[0]] = 'de stat';
else
$info[$a]['city']['university'][$b][$field[0]] = $field[1];
}
/////////////////////////////TESTTTTTT ZONEEEEEEEEEEEEEEE/////////////////////////////
// If string contains a dot it is a faculty
if(strstr($rtext, '•'))
{
$tempVar = trim(str_replace($banned,'',$ftext),' ');
$thirdUrl = $col->find('a',0)->href;
$htmlFa = file_get_html($thirdUrl);
$selectFa = $htmlFa->find('td[width="100%"] table tr');
foreach($selectFa as $deep)
{
$rtext = $deep->plaintext;
$ftext = trim($rtext,' • ');
$info[$a]['city']['university'][$b]['faculty'][$c]['name'] = $tempVar;
$field = extractField($ftext,': ');
if($field)
{
if($field[0]=='website')
{
$info[$a]['city']['university'][$b]['faculty'][$c][$field[0]] = $deep->find('a',0)->href;
}
else
{
$info[$a]['city']['university'][$b]['faculty'][$c][$field[0]] = $field[1];
}
}
$k++;
}
$facName = @$info[$a]['city']['university'][$b]['faculty'][$c]['name'];
$facAddr = @$info[$a]['city']['university'][$b]['faculty'][$c]['address'];
$facPhone = @$info[$a]['city']['university'][$b]['faculty'][$c]['phone'];
$facFax = @$info[$a]['city']['university'][$b]['faculty'][$c]['fax'];
$facEmail = @$info[$a]['city']['university'][$b]['faculty'][$c]['email'];
$facWeb = @$info[$a]['city']['university'][$b]['faculty'][$c]['website'];
$facTax = @$info[$a]['city']['university'][$b]['faculty'][$c]['type'];
echo "<b>ID UNIVERSITATE:</b> ".$a."<br />";
echo "<b>Nume facultate:</b> ".$facName."<br />";
echo "<b>Adresa:</b> ".$facAddr."<br />";
echo "<b>Telefon:</b> ".$facPhone."<br />";
echo "<b>Fax:</b> ".$facFax."<br />";
echo "<b>Email:</b> ".$facEmail."<br />";
echo "<b>Pagina web:</b> ".$facWeb."<br />";
echo "<b>Tip taxa:</b> ".$facTax."<br /><br />";
mysqli_query($conn,"
INSERT INTO faculty
VALUES ('$a','$facName','$facAddr','$facPhone','$facFax','$facEmail','$facWeb','$facTax')
");
$c++;
}
}
$j++;
}
$univCity = @$info[$a]['city']['name'];
$univName = @$info[$a]['city']['university'][$b]['name'];
$univAddr = @$info[$a]['city']['university'][$b]['address'];
$univPhone = @$info[$a]['city']['university'][$b]['phone'];
$univFax = @$info[$a]['city']['university'][$b]['fax'];
$univEmail = @$info[$a]['city']['university'][$b]['email'];
$univWeb = @$info[$a]['city']['university'][$b]['website'];
$univTax = @$info[$a]['city']['university'][$b]['type'];
echo "<b>ID UNIVERSITATE:</b> ".$a."<br />";
echo "<b>Oras:</b> ".$univCity."<br />";
echo "<b>Nume universitate:</b> ".$univName."<br />";
echo "<b>Adresa:</b> ".$univAddr."<br />";
echo "<b>Telefon:</b> ".$univPhone."<br />";
echo "<b>Fax:</b> ".$univFax."<br />";
echo "<b>Email:</b> ".$univEmail."<br />";
echo "<b>Pagina web:</b> ".$univWeb."<br />";
echo "<b>Tip taxa:</b> ".$univTax."<br />";
mysqli_query($conn,"
INSERT INTO university
VALUES ('$a','$univCity','$univName','$univAddr','$univPhone','$univFax','$univEmail','$univWeb','$univTax')
");
$b++;
echo "<br><br>";
}
$a++;
}
}
// SESSION IT, IF THIS JOB IS COMPLETE
if($tmpVar) $_SESSION['LAST'] = $tmpVar;
$i++;
}
print "<h1>".($i-1)."</h1>";
print_r($info);
//HTML DOM解析器库
包括（'hdp.php'）；
错误报告（真）；
//了解上一个城市是什么
会话_start（）；
如果（！$\u会话['LAST']）$\u会话['LAST']=NULL；
/*
*返回具有字段关联名称和
*使用指定的分隔符提取的值。
*/
函数提取字段（$str，$delim）
{
$val=''；
//所有可能的字段
$posFlds=数组
(
“地址”=>“地址”，
'电话'=>'电话'，
“传真”=>“传真”，
“电子邮件”=>“电子邮件”，
“网站”=>“网站”，
'提示'=>'类型'
);
foreach（$posFlds作为$fldName=>$assocName）
{
if（strstr（$str，$fldName））
{
$val=@explode（$delim，$str）；
如果（！$val[1]）
{
打印“分隔符”。$delim。“未找到！”；
返回false；
}
返回数组（$assocName，$val[1]）；
}
}
返回false；
}
//正在尝试连接到本地服务器
$conn=mysqli_connect（“localhost”、“root”、“eductie”）或die（“无法连接到MySQL服务器！”）；
if（mysqli\u connect\u errno（$conn））
{
echo“未能连接到MySQL:”.mysqli_connect_error（）；
}
//DB->表查询结构
$info=数组
(
“城市”=>数组
(
“名称”=>“”，
“大学”=>数组
(
“名称”=>“”，
“地址”=>“”，
“电话”=>“”，
“传真”=>“”，
“电子邮件”=>“”，
“网站”=>“”，
“类型”=>“”，
“教员”=>数组
(
“名称”=>“”，
“地址”=>“”，
“电话”=>“”，
“传真”=>“”，
“电子邮件”=>“”，
“网站”=>“”，
“类型”=>“”，
)
),
)
);
//城市标识符
$cityid=0；
//行、列和深度标识符
$i=0$j=0$k=0；
//基本、辅助和第三个爬网url
$baseUrl='0http://infoportal.rtv.net/informatii_universitati.html';
$secondaryUrl=''$thirdUrl=''；
//不带剥离标记的Html内容（按原样）
$htmlCu=file\u get\u html（$baseUrl）；
$htmltUn=''$htmltFa=''；
//三级深度检查选择器
$selectCu=$htmlCu->find（'td[width=“100%”]table td'）；
$selectUn=''$选择fa=''；
//文本格式（原始和清理）
$rtext=''$ftext=''；
//忽略代币
$banked=数组（“，”&bull；“，”，”）；
//计数器A、B和C
$a=0；$b=0；$c=0；
//临时变量
$tmpVar=''；
//从父td->子表->子td中选择每一行
foreach（$selectCu作为$row）
{
//跳过第一行结果
如果（$i！=0）
{
$rtext=$row->纯文本；
$ftext=trim（$rtext，&bull；'）；
如果（$ftext！='-'）
{
//如果字符串包含一个点，则它是一个城市
if（strstr（$rtext，&bull；'））
{
如果（$_会话['LAST']！=$ftext）和（$_会话['LAST']！==NULL））继续；
打印“->Oras:“.ftext.$br>”；
echo“SESSION:”.$_SESSION['LAST'].“|
”；
$tmpVar=$ftext；
}
//如果string不是一个城市，那么它就是一所大学
其他的
{
$a--；
$info[$a]['city']['name']=$tmpVar；
$info[$a][$city']['university'][$b]['name']=$ftext；
$secondaryUrl=$row->find（'a'，0）->href；
$htmlUn=file\u get\u html（$secondaryUrl）；
$selectUn=$htmlUn->find（'td[width=“100%”]table tr'）；
foreach（$selectUn作为$col）
{
//跳过第一行结果
如果（$j！=0）
{
$rtext=$col->纯文本；
$ftext=trim（$rtext，&bull；'）；
//键0->关联名称；键1->值
$field=extractField（$ftext，，：'）；
如果（$field）
{
if（strstr（$field[1]，'de stat'））
$info[$a]['city']['university'][$b][$field[0]]]='de stat'；
其他的
$info[$a]['city']['university'][$b][$field[0]]=$field[1]；
}
/////////////////////////////测试区/////////////////////////////
//若字符串包含一个点，那个么它就是一个点
if（strstr（$rtext，&bull；'））
{
$tempVar=修剪（str_replace（$banked）、$ftext、“”）；
$thirdUrl=$col->find（'a'，0）->href；
$htmlFa=文件获取html（$thirdUrl）；
$selectFa=$htmlFa->find（'td[width=“100%”]table tr'）；
foreach（$selectFa作为$deep）
{
$rtext=$deep->plaintext；
$ftext=trim（$rtext，&bull；'）；
$info[$a][$a]['city']['university'][$b]['faculty'][$c]['name']=$tempVar；
$field=extractField（$ftext，，：'）；
如果（$field）
{