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Signaling PHP

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Signaling PHP

Catching Signals in PHP CLI Scripts

PCNLT signals are a great help when writing PHP scripts that run from the command line. Learn how to use them to your advantage.

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About the Book

PHP has outgrown it's web roots

You've been working with PHP for a while and have watched it grow for it's roots as a simple templating language to powering some of the largest sites in the world. Facebook. Wikipedia. WordPress. You've started creating more complicated applicationsthat now need some work done other than displaying content to the screen. You want to leverage your PHP knowledge to create tools to let you get things done. 

Server-level programming can be a pain

Deployment scripts, database migrations, asset minification, queue workers, these are all things you need to worry about in modern web applications. There's information out there on how to accomplish these tasks with PHP, but what you really want is one reference guideto show you how to do it at the lowest levels. 

You need a foundation in using it on the CLI to response to OS level signals

PHP gives you the opportunity to leverage your existing skills and libraries in new ways.One of the things you will want to do when building CLI scripts is respond to OS level signals. Everything from KILL to the user defined USR signals are available to you to trap and branch your code as necessary. While PHP was built for the web, it has grown into a tool that can do so much more. "Signalling PHP"is your gateway into understanding how PHP interacts with operating systems. Why not use the mostpopular langauge on the web to creating tools on the server?

Don't wait! Get your copy of "Signaling PHP" today

Testimonials

"I've never gotten very involved in the CLI, but reading Signaling PHP made me write my first command line app. This book is invaluable for anyone writing apps that interact with the command line!" - Brandon Savage

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Table of Contents

  • Dedication
  • Chapter 1 - Getting Started
  • Chapter 2 - Yak Shaving
  • Chapter 3 - Signals and Ticks
    • An Extremely Quick Primer on Signals
  • Chapter 4 - An Alternative
  • Chapter 5 - Setting and Using Alarms
  • Chapter 6 - Closing
  • Appendix A - PIDs
  • Appendix B - WorkCommand.php
  • NomadPHP

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