Laravel firstOr Collection Macro

firstOr.php

<?php

use Illuminate\Support\Collection;

/*
 * Get the first item. Performs callback if the item was not found.
 *
 * @return mixed
 */
Collection::macro('firstOr', function (callable $callback) {
    if (! is_null($item = $this->first())) {
        return $item;
    }
    
    return $callback();
});