Answers for "php remove item from array if exists"

php array remove value if exists

<?php
$myArray = array ('Alan', 'Peter', 'Linus', 'Larry');
$pos = array_search('Linus', $myArray);
echo 'Linus found at: '.$pos;
// Remove from array
unset($myArray[$pos]);
print_r($myArray);
?>

php remove element from array

$arr = array('a' => 1, 'b' => 2, 'c' => 3);
unset($arr['b']);

// RESULT: array('a' => 1, 'c' => 3)

$arr = array(1, 2, 3);
array_splice($arr, 1, 1);

// RESULT: array(0 => 1, 1 => 3)

php remove element from array

$array = [0 => "a", 1 => "b", 2 => "c",3=>"d"];
//Params are: array,index to delete,number of elements to remove
array_splice($array, 2, 1); 
//print_r($array); 
//Array
//(
//    [0] => a
//    [1] => b
//    [2] => d
//)

PHP remove value from array

array_diff( [312, 401, 15, 401, 3], [401] ) // removing 401 returns [312, 15, 3]
  
// https://stackoverflow.com/questions/7225070/php-array-delete-by-value-not-key#:~:text=with%20one%20element.-,array_diff(%20%5B312%2C%20401%2C%2015%2C%20401%2C%203%5D%2C%20%5B401%5D%20)%20//%20removing%20401%20returns%20%5B312%2C%2015%2C%203%5D,-It%20generalizes%20nicely