php array remove empty Use the PHP array_filter() function. The unset() function removes the value stored in a variable.
php array remove empty
We can use it to remove the empty elements from an array. You can use the PHP array_filter() function remove empty array elements or values from an array in PHP.
php array remove empty
Remove empty array elements
print_r(array_filter($products_arr));
You can use array_filter to remove empty elements:
$emptyRemoved = array_filter($products_arr);
Use unset() Function, Use array_diff() Function, Use array_filter() Function to Remove the Empty Array Elements in PHP
Example #1 array_filter() example
Result
Array
(
[0] => Laravel
[1] => Angularjs
[2] => Vuejs
[4] => ReactJS
)
Example #2 array_filter() example with reindex array elements
Result
Array
(
[0] => Laravel
[1] => Angularjs
[2] => Vuejs
[3] => ReactJS
)
Removing Empty Array Elements by Looping Over the Array
$products_arr = $products_arr = array('Pakainfo', '', false, null, '0', 'false');
/* This Method won't Work */
foreach($products_arr as $elem) {
if($elem === '') {
unset($elem);
}
}
var_dump($products_arr);
/* Output —
array(6) {
[0]=>
string(4) "Pakainfo"
[1]=>
string(0) ""
[2]=>
bool(false)
[3]=>
NULL
[4]=>
string(1) "0"
[5]=>
string(5) "false"
} */
/* This Method will Work */
foreach($products_arr as $key => $value) {
if($value === '') {
unset($products_arr[$key]);
}
}
var_dump($products_arr);
/* Output —
array(5) {
[0]=>
string(4) "Pakainfo"
[2]=>
bool(false)
[3]=>
NULL
[4]=>
string(1) "0"
[5]=>
string(5) "false"
} */
remove item from array php
Deleting an element from an array in PHP
Using PHP unset() Function
"amit", "b" => "bharti", "c" => "chandni"); unset($products_arr["b"]); ?>
Result
array("a" => "amit", "c" => "chandni")
Using PHP array_splice() Function
Result
Array
(
[0] => 1
[1] => 2
[2] => 5
)
don’t Miss : Remove Empty Values From Array In PHP
remove character from string
How to Remove Special Characters from String In PHP?
The following script will remove some special characters from a string using str_replace() function
Text before remove:
".$products_arr; //Call the function $replacestr = rm_special_char($products_arr); //Define the function to remove the spacial character function rm_special_char($str) { //Remove "#","'" and ";" using str_replace() function $result = str_replace( array("#", "'", ";"), '', $str); //The output after remove echo "
Text after remove:
".$result; } ?>
php remove first character
Remove First 2, 3, 4, 5, 10, etc, Character From String PHP
using substr function
$products_arr = "Welcome To Pakainfo.com!"; echo "Given string: " . $products_arr . "\n"; echo "Updated string: " . substr($products_arr, 1) . "\n";
php remove array element by key
How to delete an array element based on key in PHP?
unset($websites[1]);
php delete element by value
$websites = array("pakainfo","w3diy","infinityknow");
//delete element in array by value "w3diy"
if (($key = array_search("w3diy", $websites)) !== false) {
unset($websites[$key]);
}
Remove empty array elements
To remove empty values from an array in PHP, you can use the array_filter() function, which filters the elements of an array based on a callback function. In this case, we can use the empty() function as the callback to remove the empty values. Here’s an example:
$my_array = array("apple", "", "banana", "", "cherry", " ");
$my_array = array_filter($my_array, 'strlen');
print_r($my_array);
In this example, we have an array with some empty values. To remove the empty values, we pass the array to the array_filter() function, along with the strlen function as the callback. The strlen function returns the length of a string, so if a value is not empty, its length will be greater than zero, and it will be kept in the array. If a value is empty (i.e., its length is zero), it will be removed from the array.
The print_r() function is used to print the resulting array to the screen, which will show only the non-empty values.
Alternatively, you can also use the array_diff() function to remove empty values. Here’s an example:
$my_array = array("apple", "", "banana", "", "cherry", " ");
$my_array = array_diff($my_array, array(''));
print_r($my_array);
In this example, we pass the original array to the array_diff() function, along with an array containing only an empty string (”) as the second argument. The array_diff() function returns an array containing only the elements that are present in the first array but not in the second array, which in this case will be the non-empty values.
