PHP Fundamentals

Table of contents

Environment setup

• PHP
• MySQL
• Web Server (Apache, Nginx, IIS)
• Code Editor
  • PHP Storm
  • Visual Studio Code
  • Sublime Text
• Download PHP Environment Setup Guide

Syntax And Output

• echo
• print
• var_dump

Variable And Constant

• string
• integer
• float
• boolean
• array
• constant
• object

Array

• Indexed Array
• Associative Array
• Multidimensional Array

Operators

• Arithmetic operators
• Assignment operators
• Comparison operators
• Increment/Decrement operators
• Logical operators
• String operators
• Ternary operators
• Null coalescing operators
• Null coalescing assignment operator(PHP 7.4)
• Nullsafe operator (PHP 8)

Conditional Statements

• if
• if else
• if elseif else
• switch
• match (PHP 8)

Loops

• for
• while
• do while
• foreach
• break/continue

Functions

• User Defined Functions

  • Functions
  • Parameters
  • Return
  • Default Parameters
  • Type declarations
  • Dynamic Function Calls
  • Arrow Function (PHP 7.4)
  • Lambda
  • Closure

• Essential Built-in Functions

  • String Functions
    • strlen
    • str_replace
    • substr
    • trim
    • rtim
    • ltrim
    • strtolower
    • strtoupper
    • ucwords
    • ucfirst
  • Array Functions
    • print_r
    • count
    • in_array
    • max
    • min
    • sort
    • rsort
    • array_reverse
    • array_sum
    • array_values
    • array_keys
    • explode
    • implode
    • array_push
    • array_slice
    • array_splice
    • array_chunk
    • array_map
    • array_filter
    • array_reduce
  • Other Functions
    • is_bool
    • is_int
    • is_string
    • is_array
    • isset
    • empty
    • unset
    • die
    • exit
    • var_dump
    • file_exists
    • file_get_contents

Gloabal Variables

• $_SERVER
• $_POST
• $_GET
• $_REQUEST
• $_SESSION
• $_COOKIE
• $_ENV

Error Handling

• Try
• Catch
• Throw

File Handling

• include
• include_once
• require
• require_once
• File read, write, delete

Database (MySQL)

• Databse
• Table
• SQL
  • INSERT
  • UPDATE
  • DELETE
  • SELECT
  • Condition
    • WHERE (=, >, <, <>, LIKE, IN, BETWEEN)
  • Operator (AND, OR, NOT)
  • NULL (IS NULL, IS NOT NULL)
  • Soring (ASC, DESC)
  • LIMIT
  • Functions
    • COUNT
    • SUM
    • AVG
    • MIN
    • MAX
  • JOIN
    • LEFT JOIN
    • RIGHT JOIN
    • INNERT JOIN
    • UNION JOIN
    • SELF JOIN
  • Aliases
  • EXISTS
  • GROUP BY
  • HAVING

Regular Expressions

• TODO

Object-Oriented Programming (OOP)

• class
• object
• properties
• methods
• magic methods
• Static
• Access Modifiers
• Inheritance
• Constants
• Abstract Classes
• Interfaces
• Traits

Other

• Namespace
• Autoload
  • Classmap
  • PSR-4
  • File Autoload

Tools

• Git
• Git Repository
• Baisc Command Line