@Blog

<?php
class HttpCodeChecker
{

    public function getHttpStatusCode(string $url): int|false
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_NOBODY, true);
        curl_exec($ch);

        if (curl_errno($ch)) {
            curl_close($ch);
            return false; // エラーがあった場合
        }

        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        return $httpCode;
    }
}

localStorage.getItem("bgcolor_code")

localStorage.setItem("bgcolor_code",color)

echo password_hash("rasmuslerdorf", PASSWORD_DEFAULT);

cd /wp-content/plugins
mkdir mytweets
vi mytweets.php

<?php
/*
Plugin Name: My tweets
Description: tweets
Version: 1.0
*/

<?php
/*
Plugin Name: My tweets
Description: tweets
Version: 1.0
*/
if (!defined('ABSPATH')) exit;
require_once  "tw-v2-config.php";
require_once  "./vendor/autoload.php";

use Abraham\TwitterOAuth\TwitterOAuth;

function mytweets($new_status, $old_status, $post)
{
    
    if ($new_status == 'publish' && $old_status != 'publish') {
        try {
            $connection = new TwitterOAuth(APIKEY, APIKEYSECRET, ACCESSTOKEN, ACCESSTOKENSECRET);
            $connection->setApiVersion('2');
            $response = $connection->post('tweets', ['text' => get_the_title($post->ID) . "\n" . get_permalink($post->ID)], true);
        } catch (\Throwable $th) {
            //throw $th;
        }
    }
}
add_action('transition_post_status', 'mytweets', 10, 3);

<?php
//ini_set("display_errors","On");
session_start();
require "db_config.php";

//読み込みCSVファイル名セット
class csv
{
    /**
     * @param string $filename
     * @param int $cnt
     * @return Object
     */
    public function ini_csv($filename = "", $cnt = 0)
    {
        return new csv_read($filename, $cnt);
    }
}

//CSVデータを読み込ます
class csv_read
{
    var $max = 10000;
    var $cnt = 0;
    var $handle = null;
    /**
     * @param string $filename
     * @param int $cnt
     */
    public function __construct($filename = "", $cnt = 0)
    {
        $this->cnt = $cnt;
        $this->handle =  fopen($filename, "r");
        $_SESSION["offset"] ? fseek($this->handle, $_SESSION["offset"]) : $this->handle;
    }
    /**
     * @param int $header_skip
     * @return Object
     */
    public function reader($header_skip = 0)
    {
        if ($this->handle !== FALSE) {
            $response = null;
            $data = fgetcsv($this->handle, null, ",");
            if (!$header_skip || $_SESSION["offset"]) {
                if ($data !== FALSE) {
                    $_SESSION["offset"] = ftell($this->handle);
                    $response["data"] = $data;
                    $response["cnt"] = $this->cnt > $this->max ? 0 : ($this->cnt + 1);
                    $flag = true;
                } else {
                    $_SESSION["offset"] = null;
                    $flag = false;
                }
            } else {
                $_SESSION["offset"] = ftell($this->handle);
                $response["cnt"] = $this->cnt > $this->max ? 0 : ($this->cnt + 1);
                $flag = false;
            }
        } else {
            $_SESSION["offset"] = null;
            $flag = false;
        }
        return new table_save($flag, $response);
    }
}

//tableにCSVデータを保存
class table_save
{
    var $flag = false;
    var $result = null;
    /**
     * @param boolean $flag
     * @param array  $response
     * @return void
     */
    public function __construct($flag, $response)
    {
        $this->flag = $flag;
        $this->result = $response;
        $this->column_name = "name,,...";
    }
    /**
     * @param string  $column_name
     * @return void
     */
    public function tbl_save($column_name = "")
    {
        if ($this->flag) {
            $column = $column_name ? $column_name : $this->column_name;
            $is_column = explode(",", $column);
            foreach ($is_column as $key => $val) {
                $is_value[$val] = $this->result["data"][$key];
            }
            try {
                $pdo = new PDO(DSN, USERNAME, PASSWORD);
                $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
                $sql = (function ($is_column) {
                    $INSERTFIRST = null;
                    $INSERTLAST = null;
                    foreach ($is_column as $key => $val) {
                        $INSERTFIRST[] = "$val";
                        $INSERTLAST[] = ":$val";
                    }
                    $INSERTSQL = "(" . implode(",", $INSERTFIRST) . ")values(" . implode(",", $INSERTLAST) . ")";
                    $UPDATESQL = null;
                    foreach ($is_column as $key => $val) {
                        $UPDATESQL[] = "$val = :$val";
                    }
                    return "INSERT INTO " . TABLENAME . $INSERTSQL . " ON DUPLICATE KEY UPDATE " . implode(",", $UPDATESQL) . ";";
                })($is_column);

                $stmt = $pdo->prepare($sql);
                foreach ($is_value as $key => &$value) {
                    $is_type = ($key === "test3" || $key === "test13") ? PDO::PARAM_INT : PDO::PARAM_STR;
                    $stmt->bindValue(":$key", $value, $is_type);
                }
                $this->result["sql"] = $stmt->execute();
            } catch (\Throwable $th) {
                //throw $th;
                $this->result = null;
                print $th->getMessage();
            }
        }
        print json_encode($this->result);
    }
}

//RUN...POST DATA
if (isset($_POST["csrf_token"])  && d_xss($_POST["csrf_token"]) === $_SESSION['csrf_token']) {

    $_SESSION["offset"] = (int)d_xss($_POST["reset_flag"]) === 1 ? null : d_xss($_SESSION["offset"]);
    $filename = d_xss($_POST["filename"]);
    $cnt = (int)d_xss($_POST["cnt"]);

    $column_name = "test1,test2,test3,test4,test5,test6,test7,test8,test9,test10,test11,test12,test13,test14,test15";
    $header_skip = 1;

    $csv = new csv();
    $csv->ini_csv($filename, $cnt)->reader($header_skip)->tbl_save($column_name);
    $csv = null;
} else {
    print "";
}
function d_xss($data){
    $data = strip_tags($data);
    $data = htmlspecialchars($data,ENT_QUOTES);
    return $data;
}

<?php
 // ログインした状態と同等にするためセッションを開始します
 session_start();
 // 暗号学的的に安全なランダムなバイナリを生成し、それを16進数に変換することでASCII文字列に変換します
  $toke_byte = openssl_random_pseudo_bytes(16);
  $csrf_token = bin2hex($toke_byte);
  // 生成したトークンをセッションに保存します
  $_SESSION['csrf_token'] = $csrf_token;
?>
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="Description" content="Enter your description here"/>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
<title>CSV</title>
</head>
<body>
    <input type="hidden" name="csrf_token" value="<?=$csrf_token?>">
    <span class="h3" id="cnt"></span><br><br>
    <span class="h4" id="read_csv"></span><br><br>
    <span class="h4" id="debug"></span><br><br>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.1/umd/popper.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/js/bootstrap.min.js"></script>
<script>
    window.onload = function(){
        read_csv(0,1);
    };
    function read_csv(cnt,reset_flag){
        try{
            $.ajax({
            type: "post",
            url: "./assets/php/class_csv.php",
            async: false,
            data: {csrf_token:document.getElementsByName("csrf_token")[0].value,reset_flag:reset_flag,filename:"dummy.csv",cnt:cnt},
            dataType: "json",
            success: function (response) {
                    if(response){
                        cnt = response.cnt;
                        document.getElementById("cnt").innerText = cnt;
                        if(response.data){
                            document.getElementById("read_csv").innerText = response.data[0] + response.sql;
                            document.getElementById("debug").innerText = cnt ===21?response.data:document.getElementById("debug").innerText;
                        }
                        setTimeout(function(){read_csv(cnt)},0);
                    }
                }
            });
        }catch(e){
            console.warn(e);
            read_csv(cnt);
        }
    }
</script>
</body>
</html>

        var obj_input = document.createElement("input");
        obj_input.type = "file";
        obj_input.accept = "image/png,image/jpeg";
        var element = document.getElementById("dropArea");
        element.addEventListener("dragover", function(e) {
            e.preventDefault();
            this.classList.add("dragover");
        });
        element.addEventListener("dragleave", function(e) {
            e.preventDefault();
            this.classList.remove("dragover");
        });
        element.addEventListener("drop", function(e) {
            e.preventDefault();
            element.classList.remove("dragover");
            if (/\.((png)|(jpeg)|(jpg))/i.test(e.dataTransfer.files[0].name) === true) {
                var obj = element;
                obj.innerHTML = e.dataTransfer.files[0].name;
                var imgfiles = e.dataTransfer.files;
                obj_input.files = imgfiles;
                var fr = new FileReader();
                fr.readAsDataURL(obj_input.files[0]);
                fr.onload = function() {
                    obj.style.backgroundImage = "url(" + fr.result + ")";
                    obj.style.backgroundSize = "cover";
                };
            }
        });

window.onload = function(){
	document.body.addEventListener("mousemove",(e)=>{
		var timeInMs = Date.now();
		document.querySelector("#log").innerHTML = navigator.userAgent + "<br>" + "x=" + e.offsetX  + "y=" + e.offsetY;
		var data = {timeInMs:timeInMs,userAgent:navigator.userAgent,x:e.offsetX,y:e.offsetY};
		move_xy(data).then(function(response){
			console.log(response);
		});
		
	});
};

async function move_xy(data){
	return await new Promise(function(resolve) {$.ajax({
		type: "POST",
		dataType: "json",
		url: "./move_xy.php",
		data: data,
		success: function (response) {
			if(response.res==="ok"){
				
				resolve(response);
			}
			resolve(false);
		},
		error:function(XMLHttpRequest, textStatus, errorThrown){
			resolve(false);
		}
	});});
}

<?php
$obj["timeInMs"] = $_POST["timeInMs"];
$obj["userAgent"] = $_POST["userAgent"];
$obj["x"] = $_POST["x"];
$obj["y"] = $_POST["y"];
$obj["res"] = "ok";

print json_encode($obj);

wget "ダウンロードするファイルのURL" -OutFile "保存先ファイルパス"

from sklearn.linear_model import LinearRegression
model = LinearRegression()

import pandas as pd
from sklearn.tree import DecisionTreeClassifier
import pickle
X = pd.read_csv("Question.csv", header=None).values.tolist()
ans = []
val = 0
for num1 in range(len(X)):
	for num2 in range(len(X[num1])):
		if float(X[num1][num2])>=0.5:
			val = val + 1
	val = float(float(val) / float(len(X)) * 100)
	ans.append(str(val))
	val = 0
model = DecisionTreeClassifier(max_depth=999)
model.fit(X,ans)
print(ans,"<==>",model.predict(X))
# モデルを保存する
filename = 'Q_model.sav'
pickle.dump(model, open(filename, 'wb'))

<?php
date_default_timezone_set("Asia/Tokyo");
require_once(__DIR__ . '/../wp-load.php');
class db{
    public $db = NULL;
    function __construct()
    {
        $this->db = new PDO('mysql:dbname=DBNAME;host=HOST;charset=utf8;', 'USER', 'PASS');
    }
    public function tbl_update($id,$title,$comment,$keyword){
		//
		$sdb = $this->db->prepare("select * from wp_postmeta where wp_postmeta.post_id = :id and wp_postmeta.meta_key='_aioseop_title';");
		$sdb->bindParam(":id",$id,PDO::PARAM_INT);
		$ret = $sdb->execute();
		var_dump($sdb->rowCount());
		if($sdb->rowCount()){
			$sdb = Null;
			$sdb = $this->db->prepare("UPDATE wp_postmeta set  wp_postmeta.meta_value = :title where wp_postmeta.post_id = :id and wp_postmeta.meta_key='_aioseop_title';");
		}else{
			$sdb = Null;
			$sdb = $this->db->prepare("INSERT INTO wp_postmeta(post_id,meta_key,meta_value) VALUES (:id,'_aioseop_title',:title);");
		}
		$sdb->bindParam(":id",$id,PDO::PARAM_INT);
		$sdb->bindParam(":title",$title,PDO::PARAM_STR);
		$ret = $sdb->execute();
		//
		//
		$sdb = $this->db->prepare("select * from wp_postmeta where wp_postmeta.post_id = :id and wp_postmeta.meta_key='_aioseop_description';");
		$sdb->bindParam(":id",$id,PDO::PARAM_INT);
		$ret = $sdb->execute();
		if($sdb->rowCount()){
			$sdb = Null;
			$sdb = $sdb = $this->db->prepare("UPDATE wp_postmeta set wp_postmeta.meta_value = :comment where wp_postmeta.post_id = :id and wp_postmeta.meta_key='_aioseop_description';");
		}else{
			$sdb = Null;
			$sdb = $this->db->prepare("INSERT INTO wp_postmeta(post_id,meta_key,meta_value) VALUES (:id,'_aioseop_description' ,:comment);");
		}
		$sdb->bindParam(":id",$id,PDO::PARAM_INT);
		$sdb->bindParam(":comment",$comment,PDO::PARAM_STR);
		$ret = $sdb->execute();
		//
		//
		$sdb = $this->db->prepare("select * from wp_postmeta where wp_postmeta.post_id = :id and wp_postmeta.meta_key='_aioseop_keywords';");
		$sdb->bindParam(":id",$id,PDO::PARAM_INT);
		$ret = $sdb->execute();
		if($sdb->rowCount()){
			$sdb = Null;
			$sdb = $this->db->prepare("UPDATE wp_postmeta set wp_postmeta.meta_value = :keyword where wp_postmeta.post_id = :id and wp_postmeta.meta_key='_aioseop_keywords';");
		}else{
			$sdb = Null;
			$sdb = $this->db->prepare("INSERT INTO wp_postmeta(post_id,meta_key,meta_value) VALUES (:id,'_aioseop_keywords' ,:keyword);");
		}
		$sdb->bindParam(":id",$id,PDO::PARAM_INT);
		$sdb->bindParam(":keyword",$keyword,PDO::PARAM_STR);
		$ret = $sdb->execute();
		$sdb = Null;
		$this->db = Null;
        return "{'id':$id,'title':'$title','comment':'$comment','keyword':'$keyword'}";
	}
}
//$_POST["ID"] = 9541;
$obj = (object)json_decode(file_get_contents("./postid.json"));
foreach($obj->rows as $key=>$val){
	$ID = (int)$val->ID;
  $page = get_post($ID);
	$title = mb_strimwidth($page->post_title,0,60,"…");
	$content = $page->post_content;
	$content = wp_strip_all_tags( $content );
	$content = mb_strimwidth(strip_shortcodes( $content ),0,160,"…");
	$keyword = array();
	$posttags = get_the_tags($ID);
	if ( $posttags ) {
	  foreach ( $posttags as $tag ) {
		$keyword[] = $tag->name;
	  }
	}
	$DB = new db();
	print count($keyword)>0?$DB->tbl_update($ID,$title,$content,implode(",",$keyword)):$DB->tbl_update($ID,$title,$content,"");
	$DB = Null;
}

<?php
class timeKeeper{
    public static $json_filename = "abc.json";
    public static $json_api_url = "https://example.com/api/?v=1.333";
    public static function judge(){
        $server_timestamp = time();
        $server_time = date('Y/m/d H',$server_timestamp);
        $json_timestamp = filemtime(self::$json_filename);
        $json_time = date('Y/m/d H',$json_timestamp);
        return $server_time === $json_time ? true : false;
    }
    public static function api_run($opts=null){
        if(is_null($opts))return false;
        $context = stream_context_create($opts);
        $json = file_get_contents(self::$json_api_url, false, $context);
        $fp = fopen(self::$json_filename, "w");
        fwrite($fp,$json);
        fclose($fp);
        return self::json_load();
    }
    public static function json_load(){
        $json = file_get_contents(self::$json_filename);
        return json_decode($json, true);
    }
    public static function check(){
        if(file_exists(self::$json_filename)){
            return self::judge();
        }
        return false;
    }
}
///使用例
if(timeKeeper::check()){
   $json = timeKeeper::json_load();
}else{
    $opts = array(
        "http"=>array(
        "method" => "POST",
        "header" => "User-Agent: php"
        )
    );
    $json = timeKeeper::api_run($opts);
}

<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>画像分離してダウンロード：画像分離ジェネレーター</title>
        <meta name="description" content="画像分離してダウンロード：画像分離ジェネレーター">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <script src="../jquery/jquery-3.4.1.js"></script>
        <link rel="stylesheet" href="../bootstrap/css/bootstrap.css">
        <!-- Global site tag (gtag.js) - Google Analytics -->
        <script async src="https://www.googletagmanager.com/gtag/js?id=UA-71682075-1"></script>
        <script>
        window.dataLayer = window.dataLayer || [];
        function gtag(){dataLayer.push(arguments);}
        gtag('js', new Date());

        gtag('config', 'UA-71682075-1');
        </script>        
        <style>
            body{
                background-color: black;
                color: antiquewhite;
            }
            img{
                margin:10!important;
                padding:10!important;
            }       
            #container{
                width: 100%;
            }
            #container img{
                margin:10px;   
            }       
        </style>    
    </head>
    <body>
        <span id="bat"></span><a id="dl"></a>
        <input class="form-control" type="file"></input>
        <div id="container"></div>
        <script>
            $(function(){
                $("[type=file]").on("change",function(){
                    $('#container').html("");
                    $("#bat").html("");
                    console.log($(this));
                    if(!$(this).prop('files')[0].type.match(/[png|jpg|jpge|gif]/)){
                        alert("ファイル形式エラー");
                        return false;
                    }                        
                    var canvas = document.createElement('canvas');
                    var reader = new FileReader();
                    reader.onload = function(event) {
                        var image = new Image();
                        image.onload = function() {
                            sprite = {width:50,height:50};
                            canvas.width = sprite.width;
                            canvas.height = sprite.height;
                            var ctx = canvas.getContext("2d");                            
                            var x = 0;
                            for(var i=0; i*sprite.height<image.height; i++){
                                for(var j=0; j*sprite.width<image.width; j++){
                                    ctx.drawImage(
                                    image,j*sprite.width,i*sprite.height,
                                    sprite.width,sprite.height,
                                    0,0,
                                    sprite.width,sprite.height
                                    );

                                    var spriteElement = new Image;
                                    spriteElement.src= canvas.toDataURL();
                                    $('#container').append(spriteElement);
                                }
                            }
                            $("#bat").html("<input type='button' value='一括ダウンロード' onclick='bat_img()'>");
                        }
                        image.src = event.target.result;                       
                    }
                    reader.readAsDataURL($(this).prop('files')[0]);
                    
                });
            });

            function bat_img(){
                var data = [];
                for(var i=0; i< $("img").length;i++){
                    data.push({"base64":$("img").eq(i).attr("src"),"no":i});
                }
                $.ajax({
                    type: 'POST',
                    url: 'bat_img.php',
                    data:{"obj":data},
                    dataType: 'json'
                }).done(function(obj){

                    if(obj[obj.length - 1 ].chk=="ok"){

                        var link = document.getElementById("dl");
                        link.href = obj[obj.length - 1].zippath;
                        link.download = "zipimg.zip";
                        link.click();

                        var data2 = [];
                        for(var i = 0 ; i < obj.length ; i++){
                            if(i==0){
                                data2.push({Path:obj.path,no:obj.no,t:obj.t,"zipimgpath":obj[obj.length - 1].zippath});
                            }else{
                                data2.push({Path:obj.path,no:obj.no,t:obj.t});
                            }
                            
                        }

                       var del = function(){
                            $.ajax({
                                type: 'POST',
                                url: './bat_del.php',
                                data:{"obj":data2},
                                dataType: 'json'
                            });
                        };
                        del();
                    }
                    });
                }
        </script>
    </body>
</html>

<?php
$i=0;
foreach($_POST["obj"] as $key=>$val){
    $b64 = base64_decode(str_replace("data:image/png;base64,","",$val["base64"]));
    $no = (int)$val["no"];
    $t = time();
    $Path = "./bat_img/tmp/$t-$no.png";
    $re = @file_put_contents($Path,$b64);
    if($re){
        $obj[$i]["chk"] = $re?"ok":"ng";
        $obj[$i]["name"] = "$t-$no.png";
        $obj[$i]["path"] = $Path;
        $obj[$i]["no"] = $no;
        $obj[$i]["t"] = $t;
        $i++;
    }
}
$obj[--$i]["zippath"] = zipfile($obj);

print json_encode($obj);


function zipfile($obj){
    $ZipFiles = function($obj){
        foreach($obj as $key=>$val){
           $path[] = $val["path"];
        }
        return $path;
    };
    $Zip_Files = $ZipFiles($obj);
    $zipFileName = time().'_zipimg.zip';

    set_time_limit(0);
    $zip = new ZipArchive();
    $zipTmpDir = './tmp/zip/';
    $result = $zip->open($zipTmpDir.$zipFileName, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE);
    if( $result !== true ){ //エラー処理
      echo 'error!';
      exit();
    }
    foreach ($Zip_Files as $key=>$filepath) {
      $filename=basename($filepath);
    // ZIP圧縮するファイルを追加
    // ファイルパス・ファイル名としないと圧縮ファイルを解凍するとフルパスになる
      $zip->addFile($filepath,$filename); 
    }
    //ZIP 出力
    $zip->close();

    return $zipTmpDir.$zipFileName;
}

<?php

unlink($_POST["obj"][0]["zipimgpath"]);
foreach($_POST["obj"] as $key=>$val){
    $Path = $val["Path"];
    $no = (int)$val["no"];
    $t = (int)$val["t"];
    
    $cmd = function(){
        foreach(glob("./bat_img/tmp/*") as $file_name){
            $command = "rm -rf " . realpath($file_name);
            exec($command);
        }    
    };
    
    if(pathinfo($Path)["extension"]=="png" and preg_match("/bat_img\/tmp/",$Path)){
        if(is_file($Path)){
            sleep(30);
            unlink($Path);
        }else{
            $cmd();
        }
    }else{
        $cmd();
    }

}

sed -i -e "s/utf8mb4/utf8/g" mysql.sql

<?php
echo json_encode($obj);
exit;
function get_linkarray($link)
{
	$context = stream_context_create(array("http" => array("method" => "GET", "header" => "User-Agent: simplecrawler.library.php 0.0.1")));
	$resultR = array();
	$resultS = simplecrawler($context, $link, $link, parse_url($link));
	foreach ($resultS as $k => $v) {
		$resultR[] = $v;
	}
	return $resultR;
}
function simplecrawler($context, $link, $burl, $base, $linkArrayDat = array())
{
	$linkArrayPre = crawler_link(crawler_page($link, $burl, $base, $context), $link, parse_url($link));
	foreach ($linkArrayPre as $k => $v) {
		if (!isset($linkArrayDat[$v])) {
			$linkArrayDat[$v] = $v;
			//$linkArrayDat = array_merge($linkArrayDat, simplecrawler($context, $v, $burl, $base, $linkArrayDat));
		}
	}
	return $linkArrayDat;
}
function crawler_page($link, $burl, $base, $context)
{
	if (strpos($link, $burl) === 0) {
		$page = @file_get_contents($link, false, $context);
		return $page === FALSE ? null : $page;
	} else {
		return null;
	}
}
function crawler_link($page, $burl, $base)
{
	$linkArray = array();
	if ($page === null) {
		return $linkArray;
	}
	preg_match_all("/[\s\n\t]+href\s?=\s?”(.*?)”/i", $page, $href);
	for ($i = 0; $i < count($href[1]); $i++) {
		$link = $href[1][$i];
		if (preg_match("/^http(s)*\:\/\//", $link)) {
			$result = $link;
		} elseif (preg_match("/^\/.+$/", $link)) {
			$result = $base["scheme"] . "://" . $base["host"] . $link;
		} else {
			// echo $base["path"] . “\n”;
			$b = preg_split("/\//", dirname($base["path"]));
			$t = preg_split("/\//", $link);
			foreach ($t as $v) {
				$l = $v === "." ? true : ($v === ".." ? array_pop($b) : array_push($b, $v));
			}
			$result = $base["scheme"] . "://" . $base["host"] . join("/", $b);
		}
		$linkArray[$result] = $result;
	}
	return $linkArray;
}