how to remove value in array using value in php code example

Example 1: php delete element from array

//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

Example 2: php remove element from array by value

// matrix array
foreach($appsList as $key => $app) {
            if($app["app_status"] !== "approved") {
                // remove orange apps
                unset($appsList[$key]);
            }
}