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PHP array_splice() Function

PHP array_splice() Function

The array_splice() function in PHP is used to remove a portion of the array and replaces them with the elements of the replacement array.

Syntax

array_splice (array &$input, int $offset [, int $length = count($input) [, mixed $replacement = array() ]] )

Parameter

input(required)- This array represents the input array.

offset(required)-This parameter signifies the starting position of the array from where the splicing needs to be performed. The various offset values are as follows:

  • If it is greater than 0, the start of the removed portion is at that offset from the beginning of the input array.
  • If offset is negative, the start of the removed portion is at that offset from the end of the input array.

length(optional)- This parameter refers to the range or limit point upto which the splicing is needed to be done.

  • If length is not specified, it removes everything from offset to the end of the array.
  • If length is positive, the specified number of elements will be removed.
  • If length is negative, the end of the removed portion will be that many elements from the end of the array.
  • If length is equal to zero, no elements will be removed.

replacement (optional)- This parameter represents the replacement array wherein the removed elements are replaced with elements from this array.

Return

This function returns an array consisting of the extracted elements.

Example 1






Output





Input Array: 
 Array
 (
     [0] => a
     [1] => b
     [2] => c
     [3] => d
     [4] => e 
 )
 Sliced Array: 
 Array
 (
     [0] => c
     [1] => d 
     [2] => e
 ) 





Example 2










Output





New Array: 
 Array
 (
     [0] => d
 ) 





Example 3










Output





Input Array: 
 Array
 (
     [0] => apple
     [1] => banana
     [2] => carrot
     [3] => lemons
     [4] => dates 
 )
 New Array: 
 Array
 (
     [0] => dates 
 ) 





Example 4










Output





Input Array: 
 Array 
 (
     [0] => apple
     [1] => banana
     [2] => carrot
     [3] => lemons
     [4] => dates 
 )
 New Array: 
 Array
 (
     [0] => banana 
     [1] => carrot
     [2] => lemons
     [3] => dates
 )

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