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Lining up items on page using PHP

+1 vote
70 views

I wish to align my output.

An example-

fprintf($fptr1, "%st %stn", $row1[0],$row1[1]);

In each row of output if the strings are wider than the tab setting, the text will indent.

Is there anyway I can formulate the fprinf so that each string will print at a specific place?

posted Jul 30, 2014 by Ramakrishnan

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I have a page where the user can select a few products, then I have a database PHP MySQL query that selects recent purchases of those products and also where they were purchased from like:

- query... select widget1 - widget2 and widget3

RESULT...

widget1, invoice 51, sold from store 1
widget1, invoice 72, sold from store 2
widget1, invoice 59, sold from store 1

widget2, invoice 2, sold from store 2
widget2, invoice 81, sold from store 1

widget3, invoice 201, sold from store 1
widget3, invoice 151, sold from store 2
widget3, invoice 17, sold from store 2
widget3, invoice 3, sold from store 1

I would like to generate report that can do some summary functions, so that the output report looks something like:

'SHOW PRODUCTS with STORE SUMMARY'

STORE 1

widget1, invoice 51, more fields here
widget1, invoice 59, more fields here
widget2, invoice 81, more fields here
widget3, invoice 201, more fields here
widget3, invoice 3, more fields here

STORE 2

widget1, invoice 72, more fields here
widget2, invoice 2, more fields here
widget3, invoice 151, more fields here
widget3, invoice 17, more fields here

I am curious how to construct the php to be able to simulate this 'STORE SUMMARY' on the report page. Any ideas are welcome.

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Is print thread safe? That is, if I have two threads that each call print, say:

print "spam spam spam" # thread 1
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I don't care which line prints first, but I do care if the two lines are mixed in together, something like this:

spam spaeggs eggs m seggspams

Does print perform its own locking to prevent this?

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