随笔分类 -  php

php orient object progarmming
摘要：类： 实例化 构造函数__construct() 当初始化实例的时候会被触发 __destruct() 当实例对象被注销的时候，会自动触发 extends 子类继承父类 当子类存在的变量或则构造函数和父类的相同的时候，会覆盖父类的变量和方法 如果需要保留父类的构造函数同时触发的话，可以使用paren 阅读全文
posted @ 2018-12-15 16:20 cyany_blue 阅读(204) 评论(0) 推荐(0)
php date
摘要：time() //timestamp getdate() //return a array,contain year,month,day.... and you can pass a timestamp to it,return suitable value format: date(format, 阅读全文
posted @ 2018-11-24 16:45 cyany_blue 阅读(108) 评论(0) 推荐(0)
php upload
摘要：upload multiple you should add multiple to input element and change name="img[]"; like it: and run it , you will get it: Haha,that is all. 阅读全文
posted @ 2018-11-24 16:11 cyany_blue 阅读(135) 评论(0) 推荐(0)
php mail()
摘要：First: open the php.ini and find the keyword mail function Reference: https://stackoverflow.com/questions/5335273/how to send an email using php Note: 阅读全文
posted @ 2018-11-24 15:15 cyany_blue 阅读(120) 评论(0) 推荐(0)
php session
摘要：to use session,you can : delete session have two ways one is other is : if user ban to store cookie in his brower, you can use : you should close cook 阅读全文
posted @ 2018-11-24 14:55 cyany_blue 阅读(82) 评论(0) 推荐(0)
php cookie
摘要：Example: 阅读全文
posted @ 2018-11-24 14:13 cyany_blue 阅读(89) 评论(0) 推荐(0)
php file opearate
摘要：1. r open the file and read only 2.r+ open the file and write 3.w open the file and write only truncates the file to zero length. 4.w+ open the file a 阅读全文
posted @ 2018-11-24 12:48 cyany_blue 阅读(219) 评论(0) 推荐(0)
php -gainbrowerinfo
摘要：``` ' . join('|', $known) . ')[/ ]+(?[0-9.|a-zA-Z.]*)#'; if (!preg_match_all($pattern, $u_agent, $matches)) { // we have no matching number just continue ... 阅读全文
posted @ 2018-11-24 11:11 cyany_blue 阅读(104) 评论(0) 推荐(0)
php-constant
摘要：``` "; echo constant('name').''; echo __LINE__.''; //The current line number echo __FILE__.'';//the current filename function abc(){ echo __FUNCTION__.'';//echo function name } abc(); class a{ fu... 阅读全文
posted @ 2018-11-24 10:59 cyany_blue 阅读(190) 评论(0) 推荐(0)