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// matrix array
foreach($appsList as $key => $app) {
if($app["app_status"] !== "approved") {
// remove orange apps
unset($appsList[$key]);
}
}
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$colors = array("blue","green","red");
//delete element in array by value "green"
if (($key = array_search("green", $colors)) !== false) {
unset($colors[$key]);
}
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if (in_array('strawberry', $array))
{
unset($array[array_search('strawberry',$array)]);
}
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$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)
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<?php
$arr = array('Sam','Kin','Alex','Dineal');
if(in_array('Sam',$arr)){
unset($arr[array_search('Sam',$arr)]);
}
print_r($arr);
?>
Array
(
[1] => Kin
[2] => Alex
[3] => Dineal
)
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//Delete array items with unset(no re-index) or array_splice(re-index)
$colors = array("red","blue","green");
unset($colors[1]);//remove second element, do not re-index array
$colors = array("red","blue","green");
array_splice($colors, 1, 1); //remove second element, re-index array
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//NO KEY supplied
$message array("a", "b", "c", "d");
$del_val = "b";
if (($key = array_search($del_val, $messages)) !== false) {
unset($messages[$key]);
}
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array_diff( [312, 401, 15, 401, 3], [401] ) // removing 401 returns [312, 15, 3]
// https://stackoverflow.com/questions/7225070/php-array-delete-by-value-not-key#:~:text=with%20one%20element.-,array_diff(%20%5B312%2C%20401%2C%2015%2C%20401%2C%203%5D%2C%20%5B401%5D%20)%20//%20removing%20401%20returns%20%5B312%2C%2015%2C%203%5D,-It%20generalizes%20nicely
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$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
//)
//Note: If you are looping through array and removing elements, loop
//through array backwards so you can remove the correct index
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array_diff( array(312, 401, 15, 401, 3), array(401) ) // removing 401 returns [312, 15, 3]
remove item from array php
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$array = [0 => "a", 1 => "b", 2 => "c"];
unset($array[1]);
// ↑ Key which you want to delete
Output:
[
[0] => a
[2] => c
]