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PHP Array_pop () Function

Syntax :
array_pop ($array)
Parameters:the function takes only one parameter $array which is an input array and extracts the last element from it, decreasing the size by one.Return Value:This function returns the last element of the array. If the array is empty or the input parameter is not an array, NULL is returned.Note.This function resets (reset()) the array pointer of the input array after use.Examples:
Input: $array = (1 = > "ram", 2 = > "krishna", 3 = > "aakash"); Output: aakash Input: $array = (24, 48, 95, 100, 120); Output: 120
The following programs illustrate the array_pop() function in PHP:Example 1
// PHP code to illustrate the use of array_pop() $array = array (1 = > "ram" , 2 = > "krishna" , 3 = > "aakash" ); print_r ( " Popped element is " ); echo array_pop ( $array ); print_r ( " After popping the last element, " . "the array reduces to:" ); print_r ( $array ); ?>
Output:
Popped element is aakash After popping the last element, the array reduces to: Array ([1] = > ram [2] = > krishna)
Example 2 $arr = array (24, 48, 95, 100, 120); print_r ( " Popped element is " ); echo array_pop ( $arr ); print_r ( " After popping the last element, " . "the array reduces to:" ); print_r ( $arr ); ?> Output:
Popped element is 120 After popping the last element, the array reduces to: Array ([0] = > 24 [1] = > 48 [2] = > 95 [3] = > 10)
Exception:An E_WARNING exception is thrown if a non-array is passed, which is a runtime error or warning. This warning will not stop script execution.Link :
http://php.net/manual/en/function.array-pop.php

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