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Array routines

Array routines

Oct 22, 2021

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 This section contains routines that enable users to handle arrays.

Routines summary

  • arrayAddElement — If elem is an element of the array type, returns a new array that includes the specified element at the end.
  • arrayAddElementIfNotExist — If elem is an element of the array type, returns a new array that includes the specified element at the end. The element is added only if it is not already in the array.
  • arrayDeleteElement — If elem is an element of the array type, returns a new array without the specified element.
  • arrayDeleteElementAt — If index is less than the array size, returns a new array without the element at the specified index.
  • arrayDiff — Difference between two arrays. Returns the elements from the first array that do not exist in the second array.
  • arrayElementExists — Returns "true" if the element exists in the array and "false" otherwise.
  • arrayFind — Finds an element inside the collection and returns its index. If the element is not found, it returns -1.
  • arrayFindBinary — Binary search on sorted array. If the element is not found, returns -1.
  • arrayGetElement — Returns the element at the specified index.
  • arrayIntersect — Intersect between two arrays.
  • arrayKeys — Returns the keys of the array, if array is using the new syntax in version 2.5.
  • arrayKeySort — Sorts the elements from an array by their keys. Works with keyed arrays only.
  • arraysConcat — Adds the elements of the second array to the first one.
  • arraySetElement — If elem is an element of the array type, returns a new array with the specified element on position index1. If index1 is greater than the array size, it will add empty elements on the missing positions.
  • arraySize — Returns the size of the given array.
  • arraySort — Sorts the elements from an array.
  • arrayStructSort — Sorts the elements from an array by their specified field. Works only with arrays that contain structures.
  • arrayToSet — Converts an array to a set of unique elements.
  • arrayUnion — Union between two arrays.
  • excludeSubarray — Returns an array excluding the array that starts at index 'start' and ends at index 'end'.
  • subarray — Returns an array starting with index 'start' and ending at index 'end'.

Notes

  • Arrays are created by using this construct: {<value1>, <value2>, ..., <value3>}
  • Multi-dimensional arrays are supported.

See also