Menu
How to calculate how many items in a foreach?
I want to count total rows.
foreach ($Contents as $item) { $item[number];// if there are 15 $item[number] in this foreach, I want get the value : 15 } 
433
foreach is a php construct, and doesn't have any items - arrays do. using count($array) returns the number of elements in it.
Define an integer outside of the loop, and increment it inside of your loop. Use a for loop instead of foreach, which has a count for you: for(int i = 0; i < array. length; i++) { var item = array[i]; Console.
Adding a Counter to forEach with Stream Let's try to convert that into an operation that includes the counter. This function returns a new lambda. That lambda uses the AtomicInteger object to keep track of the counter during iteration. The getAndIncrement function is called every time there's a new item.
There is no major "performance" difference, because the differences are located inside the logic. You use foreach for array iteration, without integers as keys. You use for for array iteration with integers as keys. etc.
You can use a counter inside a for-each loop to track the number of iterations processed by the loop. This task can be achieved with an xsl:variable through direct edit of the XSLT code.
In this tutorial, we will learn how to count each iteration in a Python for loop for a final count or to use the current iteration number inside the loop. To count iterations we can use the Python enumerate () function and pass it in as the first argument of the for loop.
Within an <xsl:for-each> loop, the position () function returns the iteration number. See Edit XSLT Code in the Mapper .
If you change to use Counter, each time it loops, it will only return the counter value of the currently traversed record without error, and collect to SuccessCount collection. Meanwhile, you need to modify 'SuccessCount.Counter' to 'SuccessCount.Value', because the column name is changed. 01-03-2020 04:48 PM
If you just want to find out the number of elements in an array, use count. Now, to answer your question...
How to calculate how many items in a foreach?
$i = 0; foreach ($Contents as $item) { $item[number];// if there are 15 $item[number] in this foreach, I want get the value : 15 $i++; } If you only need the index inside the loop, you could use
foreach($Contents as $index=>$item) { // $index goes from 0 up to count($Contents) - 1 // $item iterates over the elements } You don't need to do it in the foreach.
Just use count($Contents).
27
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
