All Questions
17 questions
2votes
1answer
127views
function to group data by parent branches
I wrote this function to take database output like from PDO's fetchAll(PDO::FETCH_ASSOC) and turn it into a tree. For small datasets it works well. However, when ...
- 123
4votes
3answers
1kviews
Filter an array, but remove the filtered elements
I needed a PHP function that would filter values from one array into a new one, while also removing those values from the original array. After looking through the docs, I didn't see any such function,...
- 265
1vote
1answer
2kviews
PHP Group associative Array duplicates and make subarrays of different values
I have this type of table: ...
- 87
1vote
2answers
102views
Check URL for keywords [closed]
I'm looking at improving my PHP knowledge and wondering if anybody has any tips on improving and optimising my function below? ...
- 21
2votes
1answer
144views
Request mixed with JSON strings and array fields, in custom function for reduction need Simplify/Refactory
Client From a POST request I get a mixed structure of an array and JSON. To handle multiple type of elements I am using var_dump to get the passes. For ...
2votes
1answer
261views
Equity data processing: Fast and/or efficient file writing using PHP
Problem This project gets the past ~20 days of an equity data (such as $AAPL, $AMZN, $GOOG) plus the current equity "quote" (which comes every 60 seconds using a free API) and estimates seven "real-...
- 3,592
2votes
2answers
171views
Shuffle array elements by rearranging the key value associations
PHP's shuffle() function destroys the array keys, so I decided to write a shuffle function that doesn't do that and instead rearranges key-value associations. As I ...
- 1,792
3votes
5answers
2kviews
Sort multidimensional array based on another one containing the desired order
I have an array like this: ...
- 255
3votes
3answers
231views
Retrieve words from dictionary when they meet letter requirements
I have a set of functions that retrieve words from some arbitrary dictionary based on what letters they have. For example, this function gets words that use only the specified letters: ...
4votes
1answer
97views
Performing substitutions according to a word list in a database
A bit of history I had about 40,000 words in the database. I need words to correct the texts entered incorrectly by users. User enter text in any non-legal format and I use my words in the database ...
1vote
1answer
1kviews
PHP subset of 2 arrays containing objects - compared only by 1 attribute
I'm looking for a fast way to get the subset of 2 arrays containing the same kind of objects using PHP functions. I'm looking for the red part: ...
- 13
0votes
1answer
87views
Detecting arrays with enough entries in common [closed]
I have made a function called testing. This function tests whether five numbers from each sub-array of $source are included in <...
2votes
3answers
56views
Summing durations associated with each MAC address in a MongoDB result
I have a script which get data from MongoDB in the form of array and show the result. The array has a number of records in the thousands. A sample array is as follows: ...
1vote
1answer
125views
Create multi-dim array from cursor
I'm executing a cursor. I have cut off the code how the procedure is called and executed. This part is efficient. At last I have a small cursor. I'm calling the procedure, which returns this cursor ...
- 235
2votes
1answer
258views
Populating an array from a database
I have a query that populates an array from the database. In some cases, this query returns a great amount of data, (let's say for purpose of an example, 100.000 records). Each row of the database has ...
- 121
