欢迎来到 艾瑞可erik 的魔法世界 🧙‍♂️

给我一个需求，还你一个项目——别管它是什么。这就是全栈。

📚 291 篇文章 🏷️ 504 个标签 📂 90 个分类

🔥 最新文章

有关composer

🏷️ composer 🏷️ composer安装Composer Installation 🏷️ composer配置Composer Configuration 🏷️ 项目创建composerComposer Project Setup 📂 php

composer是php5.3以上 的一个依赖管理工具。简单来说就是你在composer里面可以找到各种优秀的第三方扩展。可以丰富自己的项目节省开发时间。
首先要在你本地win电脑安装composer
安装成功后用命令窗口去安装打开目录执行： echo @php “%~dp0composer.phar” %*>composer.bat
关闭命令窗口重新打开 执行 ： composer 结果如图
有关composer

展开全文 ✨ →

About Composer

🏷️ composer 🏷️ composer安装Composer Installation 🏷️ composer配置Composer Configuration 🏷️ 项目创建composerComposer Project Setup 📂 php

Composer is a dependency management tool for PHP 5.3 and above. Simply put, in Composer you can find all kinds of excellent third-party extensions. It can enrich your project and save development time.
First you need to install Composer on your local Windows machine.
Once the installation succeeds, use a command window to install it — open the directory and run: echo @php “%~dp0composer.phar” %*>composer.bat
Close the command window and reopen it, then run: composer. The result is shown in the figure.
About composer

展开全文 ✨ →

归

🏷️ 归Return 📂 生活手记

夜出鹏城宿羊南， 千里粤豫一日还。 九朝帝王今何在， 洛水小巷今荣繁。 写于2017年春节归途。

Return

🏷️ 归Return 📂 生活手记

By night I leave Pengcheng, to lodge south of Yang; a thousand li from Yue to Yu in a single day. Where now are the emperors of nine dynasties? The lanes by the Luo River thrive today. Written on the road home for the 2017 Spring Festival.

wget抓取网站

🏷️ wget 🏷️ wget抓取Wget Scraping 🏷️ 网站抓取Web Scraping 📂 linux

最近需要套个模板，当然模板不需去购买。那就抓取一个，百度一下发现wget是个不错的用法。
wget -r -p -np -k https://erik.xyz 就可抓取整个站点模板到本地。

然后打包压缩，拷贝到win电脑就可以修修改改。
顺便查查wget使用方法
-a<日志文件>：在指定的日志文件中记录资料的执行过程；

-A<后缀名>：指定要下载文件的后缀名，多个后缀名之间使用逗号进行分隔；

-b：进行后台的方式运行wget；

展开全文 ✨ →

Scraping a Website with wget

🏷️ wget 🏷️ wget抓取Wget Scraping 🏷️ 网站抓取Web Scraping 📂 linux

Recently I needed to adapt a template, and of course I wasn’t going to buy one. So I’d scrape one instead — a quick search turned up wget as a pretty good way to do it.
wget -r -p -np -k https://erik.xyz and you can scrape the whole site’s template to your local machine.

Then package it up, compress it, copy it to a Windows machine and you can tinker with it as you like.
While I was at it I looked up how to use wget
-a: record the execution process in the specified log file;

-A: specify the suffixes of the files to download; separate multiple suffixes with commas;

-b: run wget in the background;

展开全文 ✨ →

Installing the Sphinx Extension for PHP 7

🏷️ php7中sphinxPHP 7 Sphinx 🏷️ php7中sphinx扩展PHP 7 Sphinx Extension 🏷️ sphinx扩展Sphinx Extension 📂 php

In the official pecl repository you can only find a Sphinx extension that supports version 5.2. PHP 7 has been out for quite a while, and having no Sphinx isn’t very reasonable. Following a tip from a fellow netizen, on the sphinx page under the pecl repository, click [ Browse Source ] as shown below:

展开全文 ✨ →

100个常用的 PHP 类库、资源和技巧小结

🏷️ php扩展PHP Extensions 🏷️ php技巧PHP Tips 🏷️ php类库PHP Class Libraries 🏷️ php资源PHP Resources 📂 转载

本文转载自：http://www.scutephp.com/topic-id1325.html 收集整理一些常用的PHP类库, 资源以及技巧. 以便在工作中迅速的查找所需… 100个常用的 PHP 类库、资源和技巧小结

学习资源

php相关的有参考价值的社区,博客,网站,文章,书籍,视频等资源

展开全文 ✨ →

A Roundup of 100 Commonly Used PHP Libraries, Resources and Tips

🏷️ php扩展PHP Extensions 🏷️ php技巧PHP Tips 🏷️ php类库PHP Class Libraries 🏷️ php资源PHP Resources 📂 转载

This article is reposted from: http://www.scutephp.com/topic-id1325.html A collection of commonly used PHP libraries, resources and tips, so you can quickly find what you need at work… A Roundup of 100 Commonly Used PHP Libraries, Resources and Tips

Learning Resources

Valuable php-related resources for reference: communities, blogs, websites, articles, books, videos and so on

展开全文 ✨ →

php中xml转换成php数组

🏷️ php 📂 php 
1
2
3
4
5
6
7
8
9
10
11
12
public function xmlArray($xml){ 
  if(!$xml){ 
    $data="数据异常";
    error\_log("数据错误".print\_r($data)."\\r\\n",3,'wx\_error.log');
    exit; 
  } 
  //将XML转为array 
  //禁止引用外部xml实体 
  libxml\_disable\_entity\_loader(true);
  $data= json\_decode(json\_encode(simplexml\_load\_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); 
  return $data; 
}

Converting XML to a PHP Array in PHP

🏷️ php 📂 php 
1
2
3
4
5
6
7
8
9
10
11
12
public function xmlArray($xml){ 
  if(!$xml){ 
    $data="数据异常";
    error\_log("数据错误".print\_r($data)."\\r\\n",3,'wx\_error.log');
    exit; 
  } 
  //Convert XML to an array 
  //Disable loading of external XML entities 
  libxml\_disable\_entity\_loader(true);
  $data= json\_decode(json\_encode(simplexml\_load\_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); 
  return $data; 
}

php的数据类型

🏷️ php基本类型PHP Basic Types 🏷️ php数据类型PHP Data Types 📂 Developer
  • 基本类型
    • integer 整型 表示整数
    • float 浮点数 双精度值，表示所有实数
    • string 字符串 表示字符串
    • boolean 布尔值 表示true或false
    • array 数组 保存具有相同类型的多个数据项
    • object 对象 保存类的实例 特殊类型
    • NULL 空 没有被赋值、已经被重置或者被赋值为特殊值NULL的变量就是NULL类型的变量
    • resource 资源 特定内置函数（例如数据库函数）将返回resource类型的变量 必须作为参数传递给其他函数

PHP Data Types

🏷️ php基本类型PHP Basic Types 🏷️ php数据类型PHP Data Types 📂 Developer
  • Basic types
    • integer — integer type, represents whole numbers
    • float — floating point, double-precision values, represents all real numbers
    • string — string type, represents strings
    • boolean — boolean, represents true or false
    • array — array, holds multiple data items of the same type
    • object — object, holds an instance of a class; a special type
    • NULL — null, a variable that has not been assigned a value, has been reset, or has been assigned the special value NULL is a variable of the NULL type
    • resource — resource, specific built-in functions (for example database functions) return variables of the resource type; they must be passed as arguments to other functions

php操作符

🏷️ php 📂 php

引用操作符 & 引用操作符主要用在关联赋值中，一个变量赋值给另一个变量的时候，先产生原变量的副本，然后再将副本保存在内存中。
例如： $a=1; $b=$a; echo $b; 结果为 1
如果 $a=2; 则 echo $b; 结果还是 1 。
因为$a的赋值副本依然在内存中，赋值依然是第一个值的副本。 这样就用引用操作符 & ，引用操作符会重置原来的指向地址。

PHP Operators

🏷️ php 📂 php

The reference operator & — the reference operator is mainly used in associative assignment. When one variable is assigned to another variable, a copy of the original variable is produced first, and then that copy is saved in memory.
For example: $a=1; $b=$a; echo $b; the result is 1
If $a=2; then echo $b; the result is still 1 .
Because the copy assigned to $a is still in memory, the assignment is still a copy of the first value. So we use the reference operator &, which resets the original address being pointed to.

php超级全局变量

🏷️ php变量PHP Variables 🏷️ php超级全局变量PHP Superglobals 🏷️ php超级变量PHP Super Variables 📂 php

php用了那么久一些基础东西并不是很了解，今天开始就陆陆续续的学习一下。
php中超级全局变量：

  • $GLOBALS 所有全局变量数组
  • $_SERVER 服务器环境变量数组
  • $_GET get传递给脚本的变量数组
  • $_POST post传给脚本的变量数组
  • $_COOKIE cookie变量数组
  • $_FILES 上传文件相关的变量数组
  • $_ENV 环境变量数组
  • $_REQUEST 所有输入用户的变量数组（包括$_GET $_POST $_COOKIE不包括$_FILES） $_SESSION 会话变量数组

PHP Superglobals

🏷️ php变量PHP Variables 🏷️ php超级全局变量PHP Superglobals 🏷️ php超级变量PHP Super Variables 📂 php

I’ve used PHP for so long but don’t really understand some of the basics. Starting today I’ll be studying them one by one.
Superglobals in PHP:

  • $GLOBALS array of all global variables
  • $_SERVER array of server environment variables
  • $_GET array of variables passed to the script via get
  • $_POST array of variables passed to the script via post
  • $_COOKIE array of cookie variables
  • $_FILES array of variables related to file uploads
  • $_ENV array of environment variables
  • $_REQUEST array of all user-input variables (including $_GET $_POST $_COOKIE but not $_FILES) $_SESSION array of session variables

php中if注意事项

🏷️ php中ifPHP If Syntax 🏷️ php中if判断PHP If Conditions 🏷️ php的ifPHP If Statement 📂 php

最近偶然发现php中if有个自动处理比较的参数

例如

  1. $a=’adasds’; if($a==0){ echo “GGGG”; }else{ echo “KKKK”; } 结果输出 GGGG 这是if判断$a时会检测字符串中最开始有误数字，无数字就返回0 所以返回 GGGG
  2. $a=’55adasds’; if($a==55){ echo “GGGG”; }else{ echo “KKKK”; } 结果 GGGG if判断会检测$a中开头是否有数字，有数字就返回数字，所以结果 GGGG
  3. $a=’ad55asds’;或$a=’adasds55’; if($a==55){ echo “GGGG”; }else{ echo “KKKK”; } 结果 KKKK 说明if判断时检测$a不会检测中间和最后面是否有数字，且结果直接返回0； 综上示例 if判断时如果定义变量是整型就不会出现此问题，如果是字符串就要考虑示例1,2的存在。

Things to Watch Out For with if in PHP

🏷️ php中ifPHP If Syntax 🏷️ php中if判断PHP If Conditions 🏷️ php的ifPHP If Statement 📂 php

Recently I happened to discover that PHP’s if has an automatically handled parameter for comparisons

For example

  1. $a=’adasds’; if($a==0){ echo “GGGG”; }else{ echo “KKKK”; } The result is GGGG. This is because when if evaluates $a it checks whether there is a number at the very start of the string; if there is no number it returns 0, so the result is GGGG
  2. $a=’55adasds’; if($a==55){ echo “GGGG”; }else{ echo “KKKK”; } The result is GGGG. The if comparison checks whether there is a number at the beginning of $a; if there is a number it returns that number, so the result is GGGG
  3. $a=’ad55asds’; or $a=’adasds55’; if($a==55){ echo “GGGG”; }else{ echo “KKKK”; } The result is KKKK, which shows that when if evaluates $a it does not check whether there is a number in the middle or at the end, and the result simply returns 0; In summary, with if comparisons, if the variable you define is an integer this problem won’t come up, but if it is a string you have to take the situations in examples 1 and 2 into account.