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PHP DateTime::modify adding and subtracting months

... date 2010-02-31. The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February 1st. You then end up at March 3rd. How to get what you want: To get what you want is by: manually checking the next month. Then add the number of days n...
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How to get an array of specific “key” in multidimensional array without looping

... Since php 5.5, you can use array_column: $ids = array_column($users, 'id'); This is the preferred option on any modern project. However, if you must support php > 5.5, the following alternatives exist: Since php 5.3, you can...
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In PHP with PDO, how to check the final SQL parametrized query? [duplicate]

In PHP, when accessing MySQL database with PDO with parametrized query, how can you check the final query (after having replaced all tokens)? ...
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How to delete a file via PHP?

How do I delete a file from my server with PHP if the file is in another directory? 6 Answers ...
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How to get the first item from an associative PHP array?

... More information on the reset function: www.w3schools.com/php/func_array_reset.asp – Paul Chris Jones Dec 17 '19 at 12:38 ...
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Unexpected results when working with very big integers on interpreted languages

...et the sum of 1 + 2 + ... + 1000000000 , but I'm getting funny results in PHP and Node.js . 36 Answers ...
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How to insert an item at the beginning of an array in PHP?

...ssociative array or need to preserve keys then see the user examples here: php.net/manual/en/function.array-unshift.php there are a couple good examples of how to accomplish this! – Vallier Aug 22 '19 at 21:59 ...
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Algorithm to randomly generate an aesthetically-pleasing color palette [closed]

...lly pleasing colors. So no crazy neon colors, colors reminiscent of feces, etc. 16 Answers ...
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What are important languages to learn to understand different approaches and concepts? [closed]

... What about Prolog (for unification/backtracking etc), Smalltalk (for "everything's a message"), Forth (reverse polish, threaded interpreters etc), Scheme (continuations)? Not a language, but the Art of the Metaobject Protocol is mind-bending stuff ...
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Traits vs. interfaces

I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...