Rob Aley's PHP Beyond the Web PDF

By Rob Aley

Use your present web-based personal home page abilities to write down every kind of software program: CLI scripts, computer software program, community servers, and extra. This ebook supplies the instruments, recommendations, and heritage essential to write near to any kind of software program you could think about, utilizing the Hypertext Preprocessor you know.

PHP past the net shows you the way to take your wisdom of personal home page improvement for the net and utilise it with a wider variety of software program structures. benefit from the advantages of personal home page after interpreting this publication: get monetary savings via redeploying present abilities, now not studying new ones; store time and elevate productiveness by utilizing a high-level language; and earn cash via offering your consumers a full-stack carrier (not simply websites).

PHP is not any longer only a nice scripting language for web content, it truly is now a strong general-purpose programming language. extend your use of personal home page into your back-end structures, server software program, information processing companies, computing device interfaces, and extra.

What you are going to Learn

  • Write interactive shell scripts
  • Work with process daemons
  • Write computer software
  • Build community servers
  • Interface with electronics utilizing personal home page and the Raspberry Pi
  • Manage functionality, deployment, licensing, and process interaction
  • Discover the software program instruments for improvement and get different nice assets of technical info and help

Who This ebook Is For
Experienced personal home page programmers or skilled programmers attracted to leveraging personal home page open air the net improvement context.

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Extra resources for PHP Beyond the Web

Sample text

Note that when running a script in this manner, any commandline options are passed directly to the script and not to PHP. In fact, you cannot pass extra command-line parameters to PHP at runtime by using this method; you must include them in the shebang line when constructing your script. /usr/bin/php -e If you were to instead call the script as follows ~$ myscript -e then the -e flag would be passed as an argument to your main script, not to PHP directly, and so PHP would not enter EIM. This is useful for scripts that have lots of user-supplied arguments.

In this scenario, you need to change the shebang line for each system if you hard-code the location in it. Fortunately, if installed correctly, PHP sets an environment variable (called php) with its location, available via the /usr/bin/env shell command. /usr/bin/env php On Windows, the shebang line can be left in because PHP will recognize it as a comment and ignore it. However, it will not execute the file as it does on *nix. php Chapter 3 ■ Understanding the CLI SAPI, and Why You Need To As a Self-Executing Script: Windows In a similar manner, scripts can be executed by calling them directly under Windows.

Rather than treating arguments after the file name as belonging to the script, PHP has treated the -i argument (and those afterward) as one of its own. Because -i is a valid PHP argument, PHP decides that you wanted to pass -i to PHP directly, and invokes its information mode. If you need to pass the file name as part of the -f flag rather than as an argument on its own, you need to separate your script arguments by using two dashes ( -- ). php -- -i -b=big -l red white "and blue" Everything after the -- , plus the script file name, is passed as arguments to the script, and you get the expected output.

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