Object Oriented Concepts in php: Before we go in detail, lets define important terms related to Object Oriented Programming. Class: This is a programmer-defined datatype, which includes local functions as well as local data. You can think of a class as a template for making many instances of the same kind (or class) of object. Object: An individual instance of the data structure defined by a class. You define a class once and then make many objects that belong to it. Objects are also known as instance. Member Variable: These are the variables defined inside a class. This data will be invisible to the outside of the class and can be accessed via member functions. These variables are called attribute of the object once an object is created. Member function: These are the function defined inside a class and are used to access object data. Inheritance: When a class is defined by inheriting existing function of a parent class then it is called inheritance. Here child class w...
By using jspdf library which generates PDF files using java script.You can download library from http://jspdf.com/ after downloading the library create a html or php file in example folder and paste below code.It already as many examples. but sharing this code ,because we can,t add edit or alter code.but we can add function to work according to our condition.because we can replace or change other option in saveondisk button.one more think we can add php variable in it to create pdf file with php content. <!doctype> <html> <head> <title>jsPDF</title> <link rel="stylesheet" type="text/css" href="css/main.css"> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> <script type="text/javascript" src="../libs/downloadify/js/swfobject.js"></script> <script type="text/javascr...
Recently i was working on YII2 project in which i came across arrayhelper::map() and was thinking alternate in php. so i used array_map() also tested the performance of both in yii2 by start time and end time for both ,surprising was that execution time remain same.please let me know if there is any alternate that will execute faster then arrayhelper::map(). Adding the code in yii2: function find_field($value){ $value['id'] = $value['name']; return $value['id']; } $array = ['1'=>['id'=>1,'name' =>"pramodh",'address' =>'45 vk street','loc'=>'cbe'],'2'=>['id'=>2,'name' =>"pramodh kumar",'address' =>'45343 vk street','loc'=>'pune']]; $a = array_map(array($this,'find_field'),$array); print_r($a); yii2 code: $list = ArrayHelper::map($array, ' id ' , ...
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