POPS the element to the ending of an ARRAY.
<?php
mix array_pop ( arr &$array )
where,
$array = The given input ARRAY
?>
EXERCISE
<?php
$var01 = array("K" => 2, "L" => 8,
"M" => 18, "N" => 32,
"O" => 32, "P" => 18, "Q" => 8);
echo 'The given ARRAY:<br>';
print_r($var01);
echo '<br>' . count($var01) . ' ELEMENTS';
if (array_pop($var01))
{
echo '<br><br><br>The resulting ARRAY:<br>';
print_r($var01);
echo '<br>' . count($var01) . ' ELEMENTS<br><br>';
}
else
{
echo '<br>Operation Impossible!';
}
?>
EXERCISE
<?php
$var02 = array(1 => array(0,1), 2 => array(0,2));
echo 'The given ARRAY:<br>';
print_r($var02);
echo '<br>' . count($var02) . ' ELEMENTS';
if (array_pop($var02))
{
echo '<br><br><br>The resulting ARRAY:<br>';
print_r($var02);
$ct02 = count($var02);
if($ct02 == 1)
{
echo '<br>' . $ct02 . ' ELEMENT<br><br>';
}
else
{
echo '<br>' . $ct02 . ' ELEMENTS<br><br>';
}
}
else
{
echo '<br>Operation Impossible!';
}
?>
EXERCISE
<?php
$var03 = array();
if(array_pop($var03))
{
print_r($var03);
}
else
{
echo 'Operation Impossible!';
}
?>
EXERCISE
<?php
array_pop($GLOBALS);
$empty_array = array();
$number = 5;
$str = "abc";
/* Various combinations of arrays
to be used for the test */
$mixed_array = array(
array(),
array( 1,2,3,4,5,6,7,8,9 ),
array( "One", "_Two", "Three", "Four", "Five" ),
array( 6, "six", 7, "seven", 8, "eight", 9, "nine" ),
array( "a" => "aaa", "A" => "AAA",
"c" => "ccc", "d" => "ddd", "e" => "eee" ),
array( "1" => "one", "2" => "two",
"3" => "three", "4" => "four", "5" => "five" ),
array( 1 => "one", 2 => "two", 3 => 7, 4 => "four", 5 => "five" ),
array( "f" => "fff", "1" => "one", 4 =>
6, "" => "blank", 2.4 => "float", "F" => "FFF",
"blank" => "", 3.7 => 3.7, 5.4 => 7, 6 => 8.6,
'5' => "Five", "4name" => "jonny",
"a" => NULL, NULL => 3 ),
array( 12, "name", 'age', '45' ),
array( array("oNe", "tWo", 4),
array(10, 20, 30, 40, 50), array() ),
array( "one" => 1, "one" => 2, "three" => 3,
3, 4, 3 => 33, 4 => 44, 5, 6,
5.4 => 54, 5.7 => 57,
"5.4" => 554, "5.7" => 557 )
);
/* Loop to test normal functionality
with different arrays inputs */
echo "Normal testing with various array inputs<br><br>";
$counter = 1;
foreach( $mixed_array as $sub_array )
{
echo "<br><br>Input Array for Iteration $counter is<br>";
print_r( $sub_array );
echo "<br><br>Output after Pop is:<br>";
var_dump( array_pop($sub_array) );
$counter++;
}
?>
EXERCISE
<?php
/* Various combinations of arrays
to be used for the test */
$mixed_array = [ [],
[ 1,2,3,4,5,6,7,8,9 ],
[ "One", "_Two", "Three", "Four", "Five" ],
[ 6, "six", 7, "seven", 8, "eight", 9, "nine" ],
[ "a" => "aaa", "A" => "AAA", "c" => "ccc",
"d" => "ddd", "e" => "eee" ],
[ "1" => "one", "2" => "two", "3" => "three",
"4" => "four", "5" => "five" ],
[ 1 => "one", 2 => "two", 3 => 7,
4 => "four", 5 => "five" ],
[ "f" => "fff", "1" => "one",
4 => 6, "" => "blank", 2.4 => "float", "F" => "FFF",
"blank" => "", 3.7 => 3.7,
5.4 => 7, 6 => 8.6, '5' => "Five",
"4name" => "jonny", "a" => NULL, NULL => 3 ],
[ 12, "name", 'age', '45' ],
[ ["oNe", "tWo", 4], [10, 20, 30, 40, 50], [] ],
[ "one" => 1, "one" => 2, "three" => 3, 3, 4,
3 => 33, 4 => 44, 5, 6,
5.4 => 54, 5.7 => 57,
"5.4" => 554, "5.7" => 557 ] ];
echo"Checking for internal array
pointer being reset when pop is called<br><br>";
echo "<br>Current Element is:<br>";
var_dump( current($mixed_array[1]) );
echo "<br><br>Next Element is:<br>";
var_dump( next($mixed_array[1]) );
echo "<br><br>Next Element is:<br>";
var_dump( next($mixed_array[1]) );
echo "<br><br>POPed Element is:<br>";
var_dump( array_pop($mixed_array[1]) );
echo "<br><br>Current Element after POP operation is: ";
var_dump( current($mixed_array[1]) );
?>