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Projection, Filtering, and Aggregation of Data Streams

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Overview

Focusing on data manipulation operations, this course teaches how to perform data projection, filtering, and aggregation using PHP without needing advanced external libraries. You will learn how to use both procedural and functional programming techniques when applying filtering and aggregation on the data stream.

Syllabus

Unit 1: Handling Data Streams in PHP

Retrieve Last Element from Data Stream in PHP
Identifying and Fixing Last Element Retrieval in DataStream Class
First and Last Element Pair Extraction in Data Stream
Slicing Data and Converting to String
Middle Element of a DataStream Slice in PHP

Unit 2: Filtering Data Streams in PHP

Filtering Numbers Greater Than 20 in PHP
Filter and Uppercase Long Strings in PHP
Filter Even Numbers in PHP Using Array Functions
Filter Positive Even Numbers Using PHP
Filter Numbers Below a Threshold in PHP

Unit 3: Data Projection Techniques in PHP

Project Colors of Fruits in PHP
Filter and Project Sprinters Based on Personal Best Time
Enhance Car Horsepower by 10 Percent Using a Project Method
Filter and Increase Price of Expensive Products
Data Projection with Temperature Conversion in PHP

Unit 4: Introduction to Data Aggregation Methods in PHP

Calculate Minimum Exam Score in PHP
Identify and Correct the Bug in Standard Deviation Calculation
Calculate Average Temperature Without Loops
Finding the Most Frequent Age in PHP
Counting Adults in an Age Array Using a For Loop

Unit 5: Data Manipulation Techniques in PHP

Calculate Average Salary for Sales Department
Filter and Aggregate Sales Data in PHP
Implement DataStream Methods for Employee Filtering and Aggregation
Data Manipulation with PHP Classes

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