I want to create a command line program using PHP. How do I design the program's I/O?
I can send output as text. I am wondering about the specific output syntax. For example: In HTML i use <br/> to pass to a new line. How can I do this using terminal/file output? Is there a reference for terminal/file oriented programming in PHP?
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3why the downvotes and vote to close? it seems like a perfectly reasonable question to me. At least leave a constructive comment if you're going to vote to to close.nickf– nickf2009-04-30 13:13:44 +00:00Commented Apr 30, 2009 at 13:13
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might have to do with the original question: stackoverflow.com/revisions/806521/… . still wondering how Yuval F managed to shape it so well.ax.– ax.2009-05-01 13:06:14 +00:00Commented May 1, 2009 at 13:06
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might have to do with the original question: stackoverflow.com/revisions/806521/… . still wondering how Yuval F managed to shape it so well.ax.– ax.2009-05-01 13:06:28 +00:00Commented May 1, 2009 at 13:06
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1But still voting down and closing question instead of editing it is unreasonableOguz Bilgic– Oguz Bilgic2009-05-01 21:02:35 +00:00Commented May 1, 2009 at 21:02
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2 Answers
Writing command-line PHP scripts is quite simple, actually. You output text in the exact same way you would normally: print and echo both print text to the console. The only difference here is that you can't use HTML tags for formatting, since your code isn't being interpreted by a web browser (i.e. "\n" will actually create a visible line break, not <br />).
Reading input from stdin is a little trickier, but all it really involves is essentially using some of the file reading functions (e.g. fgets(), fgetc(), fscanf()) and passing in STDIN as the file path (or php://stdin, depending on how new your version of PHP is).
And yes, there is a reference for command-line programming in PHP on php.net. It covers pretty much everything you need to know to work with PHP in a command-line environment.
