PHP array_pop() Function

PHP array_pop() Function

The array_pop() function in PHP pops or removes the last element from the array shortening the array by one element.

Syntax

array_pop ( array &$array )

Parameter

array(required)- This parameter represents the input array to get the value from.

Return

This function returns the value of the last element of the array. It returns NULL if the specified array is empty or is not an array.

Errors/Exceptions

This function produces an error of level E_WARNING if the specified array parameter is a non-array.

Example 1

Output

Array before the pop() function...
 Array
 (
     [0] => Blue
     [1] => Orange
     [2] => Red
     [3] => Yellow
 )
 Array before the pop() function... 
 Popped element: Yellow
 Array
 (
     [0] => Blue
     [1] => Orange
     [2] => Red
 ) 

Example 2

'Reema', 2=>'Harshit',3=> 'Sapna'];
 echo("Student Array : \n");
 var_export($contestent_array);
 //will return the last key for $array
 $lastKey = array_pop($contestent_array);
 //printing the returned value
 echo("\nThe II runner up is "); 
 var_export($lastKey);
 //removing the last element of the array
 echo("\nThe I runner up is ");
 var_export(array_pop($contestent_array));
 //removing the last element of the array
 echo("\nThe winner of the match is ");
 var_export(array_pop($contestent_array));
 ?> 

Output

Student Array : 
 array (
   1 => 'Reema',
   2 => 'Harshit',
   3 => 'Sapna',
 )
 The II runner up is 'Sapna'
 The I runner up is 'Harshit'
 The winner of the match is 'Reema' 

Example 3

Output

Student Array : 
 array (
   0 => NULL,
 )
 The II runner up is NULL