<?php
//需要替换的关键字
$GLOBALS["patterns"] = array(
    "/#BASE_URL#/"
);

//替换后的内容，和上面的匹配规则一一对应
$GLOBALS["replacements"] = array(
   "http://api.map.baidu.com/lbsapi/cloud/"
    //"http://172.22.168.178/lbsapi/"
    //"http://dev.baidu.com/wiki/static/map/cloud/"
);

/**
 * 操纵文件类
 *
 * 例子：
 * FileUtil::copyDir('b','d/e');                    测试复制文件夹 建立一个d/e文件夹，把b文件夹下的内容复制进去
 * FileUtil::copyFile('b/1/2/3.exe','b/b/3.exe'); 测试复制文件        建立一个b/b文件夹，并把b/1/2文件夹中的3.exe文件复制进去
 * FileUtil::createDir('a/1/2/3');                    测试建立文件夹 建一个a/1/2/3文件夹
 * FileUtil::unlinkFile('b/d/3.exe');             测试删除文件        删除b/d/3.exe文件
 */
class FileUtil {
    /**
     * 建立文件夹 www.
     *
     * @param string $aimUrl
     * @return viod
     */
    function createDir($aimUrl) {
        $aimUrl = str_replace()('', '/', $aimUrl);
        $aimDir = '';
        $arr = explode()('/', $aimUrl);
        foreach ($arr as $str) {
            $aimDir .= $str . '/';
            if (!file_exists($aimDir)) {
                mkdir($aimDir);
            }
        }
    }

    /**
     * 删除文件
     *
     * @param string $aimUrl
     * @return boolean
     */
    function unlinkFile($aimUrl) {
        if (file_exists($aimUrl)) {
            unlink($aimUrl);
            return true;
        } else {
            return false;
        }
    }
   
    /**
     * 复制文件夹
     *
     * @param string $oldDir
     * @param string $aimDir
     * @param boolean $overWrite 该参数控制是否覆盖原文件
     * @return boolean
     */
    function copyDir($oldDir, $aimDir, $overWrite = false) {
        $aimDir = str_replace('', '/', $aimDir);
        $aimDir = substr($aimDir, -1) == '/' ? $aimDir : $aimDir.'/';
        $oldDir = str_replace('', '/', $oldDir);
        $oldDir = substr($oldDir, -1) == '/' ? $oldDir : $oldDir.'/';
        if (!is_dir($oldDir)) {
            return false;
        }
        if (!file_exists($aimDir)) {
            FileUtil::createDir($aimDir);
        }
        $dirHandle = opendir($oldDir);
        while(false !== ($file = readdir($dirHandle))) {
            if ($file == '.' || $file == '..') {
                continue;
            }
            if (!is_dir($oldDir . $file)) {
                FileUtil::copyFile($oldDir . $file, $aimDir . $file, $overWrite);
            } else {
                FileUtil::copyDir($oldDir . $file, $aimDir . $file, $overWrite);
            }
        }
        return closedir($dirHandle);
    }
    /**
     * 复制文件
     *
     * @param string $fileUrl
     * @param string $aimUrl
     * @param boolean $overWrite 该参数控制是否覆盖原文件
     * @return boolean
     */
    function copyFile($fileUrl, $aimUrl, $overWrite = false) {
        if (!file_exists($fileUrl)) {
            return false;
        }
        if (file_exists($aimUrl) && $overWrite == false) {
            return false;
        } elseif (file_exists($aimUrl) && $overWrite == true) {
            FileUtil::unlinkFile($aimUrl);
        }
        $aimDir = dirname($aimUrl);
        FileUtil::createDir($aimDir);
        copy($fileUrl, $aimUrl);
        //替换变量
        $apiFilePointer = fopen($aimUrl, 'r');
        $apiFileContent = fread($apiFilePointer, filesize($aimUrl));
        //只在js、html、css文件进行替换
        if (preg_match('/(\.js|\.html|\.css|\.htm)$/', $aimUrl)) {
            $apiFileContent = preg_replace($GLOBALS["patterns"], $GLOBALS["replacements"], $apiFileContent);
        }
        fclose($apiFilePointer);
        echo $aimUrl."\r\n";
        $apiFilePointer = fopen($aimUrl, 'w+');
        fwrite($apiFilePointer, $apiFileContent);
        fclose($apiFilePointer);
        //替换变量
        return true;
    }
}

FileUtil::copyDir("resource","cloud",true);
?>
 

<?php
//声明
$arr = array(); 

//赋值
$arr[0] = 'str1'; 
$arr['name'] = 'str2'; 
$arr[] = 'str3' 
array_push($arr,'str4'); 

//取值
$rs = $arr[0]; 
$rs = $arr['name']; 

//获取数据长度
$arr_count = count($arr); 
$arr_count = sizeof($arr); 
//此2个方法无区别
?>

<?php
$fruit1 = array("apple" => "red", "banana" => "yellow");
$fruit2 = array("pear" => "yellow", "apple" => "green");
$result = array_merge_recursive($fruit1, $fruit2);
print_r($result);

// output
// Array ( [apple] => Array ( [0] => red [1] => green ) [banana] => yellow [pear] => yellow )
?>

<?php
$name = array("apple", "banana", "orange");
$color = array("red", "yellow", "orange");
$fruit = array_combine($name, $color);
print_r($fruit);

// output
// Array ( [apple] => red [banana] => yellow [orange] => orange )
?>

<?php
$fruits = array("Apple", "Banana", "Orange", "Pear", "Grape", "Lemon", "Watermelon");
$subset = array_slice($fruits, 3);
print_r($subset);

// output
// Array ( [0] => Pear [1] => Grape [2] => Lemon [3] => Watermelon )
?>

<?php
$fruits = array("Apple", "Banana", "Orange", "Pear", "Grape", "Lemon", "Watermelon");
$subset = array_slice($fruits, 2, -2);
print_r($subset);

// output
// Array ( [0] => Orange [1] => Pear [2] => Grape )
?>

<?php
$fruits = array("Apple", "Banana", "Orange", "Pear", "Grape", "Lemon", "Watermelon");
$subset = array_splice($fruits, 4);

print_r($fruits);
print_r($subset);

// output
// Array ( [0] => Apple [1] => Banana [2] => Orange [3] => Pear )
// Array ( [0] => Grape [1] => Lemon [2] => Watermelon )
?>