Remove specific element by value from an array in PHP?
Description:
You need to write a program in PHP to remove specific element by value from an array using PHP program.
Instructions:
- Take an array with list of month names.
- Take a variable with the name of value to be deleted.
- You can use PHP
array
functions orforeach
loop.
Solution 1: Using array_search()
With the help of array_search()
function, we can remove specific elements from an array.
<?php
$delete_item = 'march';
// take a list of months in an array
$months = array('jan', 'feb', 'march', 'april', 'may');
if (($key = array_search($delete_item, $months)) !== false) {
unset($months[$key]);
}
// print array to see latest values
var_dump($months);
?>
Tutorials Class - Output Window
array(4) { [0]=> string(3) “jan” [1]=> string(3) “feb” [3]=> string(5) “april” [4]=> string(3) “may” }
Solution 2: Using foreach()
By using foreach()
loop, we can also remove specific elements from an array.
<?php
$delete_item = 'april';
// take a list of months in an array
$months = array('jan', 'feb', 'march', 'april', 'may'); // for april, the key is 4
foreach (array_keys($months, $delete_item) as $key) {
unset($months[$key]);
}
// print array to see latest values
var_dump($months);
?>
Tutorials Class - Output Window
array(4) { [0]=> string(3) “jan” [1]=> string(3) “feb” [3]=> string(5) “april” [4]=> string(3) “may” }
Solution 3: Using array_diff()
With the help of array_diff()
function, we also can remove specific elements from an array.
<?php
$delete_item = 'april';
// take a list of months in an array
$months= array('jan', 'feb', 'march', 'april', 'may');
$final_months= array_diff($months, array($delete_item));
// print array to see latest values
var_dump($final_months);
?>
Tutorials Class - Output Window
array(4) { [0]=> string(3) “jan” [1]=> string(3) “feb” [2]=> string(5) “march” [4]=> string(3) “may” }
Learn more about the similar topics:
Tutorials |
---|
PHP Arrays |
Interview Questions & Answers |
---|
No Content Found. |