$colors = array("blue","green","red");
//delete element in array by value "green"
if (($key = array_search("green", $colors)) !== false) {
unset($colors[$key]);
}if (in_array('strawberry', $array))
{
unset($array[array_search('strawberry',$array)]);
}if (($key = array_search('strawberry', $array)) !== false) {
unset($array[$key]);
}$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)//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// matrix array
foreach($appsList as $key => $app) {
if($app["app_status"] !== "approved") {
// remove orange apps
unset($appsList[$key]);
}
}