- Here you can find some useful PHP classes that are free on the net, and helpful for PHP Web Developers, to create and add easily various elements in your web site.

  1. JpGraph - Create Graph, Charts, Plots in PHP
    - A PHP library to Create various type of Graph, charts and plots: lines, radar, bars, rings, pie and other type of charts, with gradient colors and 3D view.
  2. PhpSpreadsheet - Read, Write Excel and LibreOffice Calc files
    - PhpSpreadsheet is a PHP library with a set of classes for reading and writing spreadsheet files, like Excel and LibreOffice Calc.
  3. PDO_MySQLi
    - PHP class to connect to MySQL and perform easily and safe SQL queries, using any of PDO, or MySQLi extensions.
  4. Read Excel file data in PHP - PhpExcelReader
    - PHP class that can be used to read Excel file data without Microsoft Office. It supports both XLS and XLSX types.
  5. PHPMailer
    - Free Email Transfer Class for PHP, supporting mail(), SMTP and POP3, HTML messages, attachments.
  6. dompdf
    - HTML to PDF converter. Create PDF files with PHP, convert HTML document to PDF.
  7. PHP Simple HTML DOM Parser
    - A HTML DOM parser written in PHP5+. This class let you manipulate HTML in a very easy way, find tags on an HTML page with selectors just like jQuery.
  8. EasyPhpThumbnail Class
    - A Free PHP class for creating thumbnails. EasyPhpThumbnail allows you to handle image manipulation and generate thumbnails for GIF, JPG and PNG on-the-fly. Resize, crop, rotate, flip, save as, shadow, watermark, reflection, and more..
  9. parseCSV
    - PHP class to read and write easily CSV data. Can filter the CSV by conditions, store CSV data into an array, convert array to CSV data.
  10. GraidleChart Create Graphic Charts
    - Lightweight PHP graphing class that creates and displays several types of graphical diagrams / charts: vertical or horizontal bar, line, spider, or pie graphs used especially in statistics, for incorporation into a website or application.

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag adds a new line into a paragraph?
<b> <br> <p>
First line ...<br>
Other line...
Which CSS property can be used to add space between letters?
text-size word-spacing letter-spacing
#id {
  letter-spacing: 2px;
}
What JavaScript function can be used to get access to HTML element with a specified ID?
getElementById() getElementsByTagName() createElement()
var elm = document.getElementById("theID");
var content = elm.innerHTML;
alert(content);
Click on the "echo" correct instruction.
echo "CoursesWeb.net" echo "CoursesWeb.net"; echo ""CoursesWeb.net";
echo "Address URL: http://CoursesWeb.net";
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