get&set Array.php

<?php

class XXXHelperArray
{
    
    /**
    * Set a value into array or object.
    * 
    * @param    mixed    $array  An array to set value.
    * @param    string   $key    Array key to store this value.
    * @param    mixed    $value  Value which to set into array or object.
    *
    * @return   mixed    Result array or object.
    */
    public static function setValue(&$array, $key, $value)
    {
        if( is_array($array) ) {
            return $array[$key] = $value ;
        }elseif( is_object($array) ){
            return $array->$key = $value;
        }else{
            return $array ;
        }
    }
    
    /**
    * A function like JArrayHelper::getValue(), but support object.
    * 
    * @param    mixed    $array      An array or object to getValue.
    * @param    string   $key        Array key to get value.
    * @param    mixed    $default    Default value if key not exists.
    *
    * @return   mixed    The value.
    */
    public static function getValue(&$array, $key, $default = null)
    {
        if( is_array($array) ) {
            return JArrayHelper::getValue( $array, $key, $default );
        }
        
        // if not Array, we do not detect it for warning not Object
        $result = null ;
        if( isset($array->$key) ) {
            $result = $array->$key ;
        }
        
        if(is_null($result)){
            $result = $default ;
        }
        
        return $result ;
    }
}

// 使用方式
// 放在 helpers/array.php 內
$value = XXXHelper::_('array.getValue', $array, 'key', 'default') ;