I’m working with a JSON string. I’m converting it to an associative array to find specific values and change those values when a certain key is found ([‘content’]). The depth of the array is always unknown and will always vary. Here is the function I wrote. It takes an array as an argu…
Tag: multidimensional-array
PHP: Use Variable as Multiple Keys in Multi-Dimensional-Array
In a normal array you can select this way How about in a multidimensional? What’s the proper way to go about this? Answer i think this solution is good. note that you have to wrap all keys with “[” and “]”. Learn more about eval() function if you also want to check if the value i…
Multidimensional indexed array to associative array depending on column value
I have a multidimensional indexed array. Each element is an associative array with an id column which is unique between elements (its value never repeats within the array). My goal is to convert this array into a multidimensional associative array, indexed by id values. My best attempt so far is to loop over …
Sum column values from multiple arrays
I have an arrays with dynamic name. My array could be more than 3, depends and array variable should be unique I need to get an output like this: Answer Why aren’t you using a multidimensional array? In this case you will have an array of arrays: You can go with nested for loops: The output is Now, if y…
Compare two 2D arrays & get intersection and differences
I have two multidimensional arrays with me.. I want to split above given arrays into three different arrays.. Answer Convert arrays to a format, where array index is the sight_id: Calculate the differences and intersection: Convert arrays back to your format:
PHP wrong foreach code
What I have done wrong, foreach code written below, but it seems not working: What I have to change in this foreach code? Thanks Answer first line, custom is not a variable (could be copy and paste error) Then you are splitting a string using can array operator, you need to split that string first using: Then…
Get earliest Y-m-d date value in a multidimensional array from qualifying rows
I want to get the minimum date from the date column of a multidimensional array, but only from rows with keycode of 0001. How would I achieve that? Expected result: 2015-08-01 Answer I would first extract all of the values that have a keycode of 0001 and create a new array of just those dates. Then use the ph…
Sort and restructure multidimensional array in PHP?
I have an array like this one: I want to sort and restructure it like this: It should work for a random amount of different entries (diffrent keys/values). Answer How about something like this? Disclaimar: I have not tested this code.
Sanitize & desanitize multidimensional array
I have the following class I wrote: The problem is that while it works on strings and one-dimensional arrays, I get the following error with multidimensional arrays: Warning: htmlspecialchars() expects parameter 1 to be string, array given in C:wampwwwclassesSanitizer.php on line 10 How do I fix this? Any hel…
Print a key in a PHP multidimensional array
I have a multidimensional array and I want to print the contents as follows: My problem is that I don’t know how to refer to the key of the first sub-array (the names). key($index) just replaces all of the names in the output with “class1”. Here’s my code so far: I’m pretty new t…