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Expertise

My focus in PHP has been calculations, reporting, database manipulation (MySQL), automated scripting, screen scraping, and tracking systems. A summary of my business is posted at www.businesscatalyst.info.

Experience in the area

I've been programming in many languages for over 15 years, but the last several years I've focused on php for websites and perl for data processing. I've posted several tricks I've learned at www.wilycode.com.

Education/Credentials

I have a bachelors degree and a masters degree, both in electrical engineering from Arizona State University.


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    K = Knowledgeability    C = Clarity of Response    P = Politeness
UserDateKCPComments
Nathan03/24/17101010Everything is working perfectly now. I really .....
Nathan03/09/17101010Thank you!
Sam02/05/16101010Thank you so much for always being .....
sam04/13/14101010Thank you very much Robert, I really .....
TD06/27/13101010Thank you for the quick response, the .....

Recent Answers from Robert Davis

2017-03-22 PHP Script Followup:

If there are many folders, you might try adding an inner loop to go into each subdirectory, something like this:  if (file_exists($folderName)) {    foreach (new DirectoryIterator($folderName) as $fileInfo)

2017-03-22 PHP Script Followup:

Hi Nathan,  My first guess would be a permission issue, but you can change this:  unlink(...)  to this:  $deleted = unlink(...)  if ($deleted) echo "file was deleted";  else echo "file was not deleted"

2017-03-08 PHP Script Question:

Hi Nathan,  It looks to me like this code (saved in a file like deleteAfter2Weeks.php) would do the trick:  <?php  $folderName = "/cameras";  if (file_exists($folderName)) {      foreach (new DirectoryIterator($folderName)

2013-08-29 issue with sqli object in php code:

Hello Ashish,  I would recommend following the example in the mysqli quick start guide at http://us2.php.net/manual/en/mysqli.quickstart.statements.php:  $mysqli = new mysqli("example.com", "user", "password"

2013-06-27 PHP if statements inside a SQL query:

Hi TD,  Your $query is a string variable, so if you want parts of it to be dynamic you'll need to close the string before each if statement and append to it as needed (and if you are not escaping your

 

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