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PhpSpreadsheet: Has anyone used or know how to use the linest function?

I need to get the 10 element linest statistics array. I only see the first element, slope. And last element, residual ss....

Open Question | 0 Answers

PHP Mail: Diacritics and Special Characters in Name and Subject are not displayed

I'm just trying to send an e-mail with PHP's mail function. Everything works so well. However, only as long as in...

Question | 1 Answer

PHP: exit in include() should not cancel calling script

I have structured my website in a way that I insert the page content in my index.php depending on the url. I am using the...

Question | 1 Answer

PHP: Date Format for MySQL INSERT

I want to write a date into a DATETIME or TIMESTAMP column of a MySQL table in my database. Which format should I use for PHP's...

Question | 1 Answer

PHP: Check if session already exists - Prevent error "A session had already been started"

I am working with sessions in one of my PHP scripts. From time to time, unfortunately, it happens, that apparently already a PHP...

Question | 3 Answers

HTML Form: Redirection depending on Radiobutton or Checkbox State

Today I want to show you how you can implement an automatic forwarding with PHP after submitting an HTML form. It should be...

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New Answers and Comments

Mottentier: My little tip: If you want to combine several files as a single compressed file, you can specify this as a parameter for...

Tip | PHP: GZip compress files with PHP

Guest: You are correct. It works fine. I've been using it successfully with an ajax search form, and dynamic codes sent over to the...

Question | PHP: Form: Submit data via POST and GET at the same time

Guest: if (session_id() == '' || !isset($_SESSION)) { ...

Question | PHP: Check if session already exists - Prevent error "A session had already been started"

Guest: How About This echo substr($s, 0, 0); //...

Question | PHP: Cut first and last Character from String

Guest: Thanks, mate! It works good. This solved my problem!...

Question | PHP: Cut first and last Character from String

Stefan Trost: Generally, the participating programs and servers only understand ASCII characters in the header of the e-mail. The letters from A to Z...

Question | PHP Mail: Diacritics and Special Characters in Name and Subject are not displayed

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