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04.02.2008 at 09:25AM PDT, ID: 23289896
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9.3

Math help in PHP and MySQL

Asked by janicegannon in MySQL Server, PHP Scripting Language, PHP and Databases

Tags: ,

I have a table named disputes and in it I have id, reportid, statusid, datetoprint, dateprinted

This table holds all disputes and there will be different report id's and status id's. There will be a random number of disputes per reports so mysql code is like this;

SELECT COUNT(*) FROM disputes where reportid=10 and statusid=20

This number may be any number more than 3. Here is the math I need to run and then PHP / MySQL code to update database accordingly

Let's use 13 as our random number

With this COUNT I need to divide by 4 (25% of disputes) -This will be 3.25
Then if this is not a single digit number, I need to Round Down - To Change to 3

Then I need to set the DATETOPRINT for the first 3 records to CURDATE()
Next I need to next 3 records to have DATETOPRINT set to CURDATE() + 40 days
Next I need to next 3 records to have DATETOPRINT set to CURDATE() + 80 days
Next I need to next 3 records to have DATETOPRINT set to CURDATE() + 120 days
And the final records DATETOPRINT set to CURDATA() + 160 days

and so on.. My problem is that last part, how can I account for the single day, and account for the change in the start number. If the start number is 22;

With this COUNT I need to divide by 4 (25% of disputes) -This will be 5.5
Then if this is not a single digit number, I need to Round Down - To Change to 5

Then I need to set the DATETOPRINT for the first 5 records to CURDATE()
Next I need to next 5 records to have DATETOPRINT set to CURDATE() + 40 days
Next I need to next 5 records to have DATETOPRINT set to CURDATE() + 80 days
Next I need to next 5 records to have DATETOPRINT set to CURDATE() + 120 days
Next I need to next 5 records to have DATETOPRINT set to CURDATE() + 160 days
And the final 2 records DATETOPRINT set to CURDATA() + 200 days
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[+][-]04.02.2008 at 11:14AM PDT, ID: 21265791

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Zones: MySQL Server, PHP Scripting Language, PHP and Databases
Tags: PHP, MySQL
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Solution Provided By: Ray_Paseur
Participating Experts: 1
Solution Grade: A
 
 
[+][-]04.02.2008 at 11:45AM PDT, ID: 21266117

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[+][-]04.02.2008 at 11:59AM PDT, ID: 21266232

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[+][-]04.04.2008 at 09:48PM PDT, ID: 21287099

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