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Public and overloadable methods

With its overriding system, PrestaShop makes it possible to override many of its core functions. But overriding cannot be done if you do not know which method to replace. This list should help you.

You can learn more about overriding PrestaShop by reading the following articles:

If you do not want to replace a method, but simply add to it, remember to call the parent eponymous method somewhere in your method.

AdminTabCore (AdminTab.php)

Method name and parameters

Description

_childValidation()Overload this method for custom checking in validateRules().
ajaxPreProcess()a method called in ajax-tab.php before displayConf().
ajaxProcess()the default handle method for request with ajax-tab.php.
copyFromPost(&$object, $table)Copy datas from $_POST to object.
displayFlags($languages, $defaultLanguage, $ids, $id, $return = false)Display flags in forms for translations.
displayImage($id, $image, $size, $id_image = NULL, $token = NULL, $disableCache = false)Display image aside object form.
displayListHeader($token = NULL)Display list header (filtering, pagination and column names).
displayTop()Overload this method for custom display in displayList().
displayWarning($warn)Display a warning message.
getList($id_lang, $orderBy = NULL, $orderWay = NULL, $start = 0, $limit = NULL)Get the current objects' list form the database.
l($string, $class = 'AdminTab', $addslashes = FALSE, $htmlentities = TRUE)use translations files to replace english expression.
postImage($id)Overload this method for custom checking in postProcess()'s object creation/update routine.
validateRules($className = false)Manage page display (form, list...).0

ConfigurationCore (Configuration.php)

Method name and parameters

Description

deleteByName($key)Delete a configuration key in database (with or without language management).
get($key, $id_lang = NULL)Get a single configuration value (in one language only).
getInt($key)Get a single configuration value (in multiple languages).
getMultiple($keys, $id_lang = NULL)Get several configuration values (in one language only).
getMultipleInt($keys)Get several configuration values (in multiple languages).
getTranslationsFieldsChild()Check then return multilingual fields for database interaction.
set($key, $values)Set TEMPORARY a single configuration value (in one language only).
updateValue($key, $values, $html = false)Update configuration key and value into database (automatically insert if key does not exist).

CookieCore (Cookie.php)

Method name and parameters

Description

__get($key)Magic method wich return cookie data from _content array.
__isset($key)Magic method which check if key exists in the cookie.
__set($key, $value)Magic method wich add data into _content array.
__unset($key)Magic method wich delete data into _content array.
getFamily($origin)Get a family of variables (e.g. "filter_").
isLogged($withGuest = false)Check customer informations saved into cookie and return customer validity.
isLoggedBack()Check employee informations saved into cookie and return employee validity.
logout()Delete cookie.
mylogout()Soft logout, delete everything links to the customer but leave there affiliate's informations.
setExpire($expire)Set expiration date.
update($nullValues = false)Get cookie content.
write()Save cookie with setcookie().

DbCore (Db.php)

Method name and parameters

Description

autoExecute($table, $values, $type, $where = false, $limit = false, $use_cache = 1)Filter SQL query within a blacklist.
autoExecuteWithNullValues($table, $values, $type, $where = false, $limit = false)Filter SQL query within a blacklist.
getInstance($master = 1)Get Db object instance (Singleton).
nl2br2($string)Convert \n and \r\n and \r to <br />.
pSQL($string, $htmlOK = false)Sanitize data which will be injected into SQL query.

FrontControllerCore (FrontController.php)

Method name and parameters

Description

preProcess()

Overload this method for custom display. This runs between the initialization of the page and the display of the header.

process()

Overload this method for custom display. This runs between the display of the header and the display of the content.

LinkCore (Link.php)

Method name and parameters

Description

addSortDetails($url, $orderby, $orderway) 
getCategoryLink($id_category, $alias = NULL, $id_lang = NULL) 
getCatImageLink($name, $id_category, $type = null) 
getCMSCategoryLink($id_category, $alias = NULL, $id_lang = NULL) 
getCMSLink($cms, $alias = null, $ssl = false, $id_lang = NULL) 
getCustomLink($id_custom, $page, $prefix = '~', $alias = NULL, $id_lang = NULL) 
getImageLink($name, $ids, $type = NULL)Returns a link to a product image for display. Note: the new image filesystem stores product images in subdirectories of img/p/.
getLangLink($id_lang = NULL) 
getLanguageLink($id_lang)Create link after language change, for the change language block.
getManufacturerLink($id_manufacturer, $alias = NULL, $id_lang = NULL) 
getMediaLink($filepath) 
getPageLink($filename, $ssl = false, $id_lang = NULL) 
getPaginationLink($type, $id_object, $nb = false, $sort = false, $pagination = false, $array = false) 
getProductDeletePictureLink($product, $id_picture)This function returns a link to delete a customization picture file.
getProductLink($id_product, $alias = NULL, $category = NULL, $ean13 = NULL, $id_lang = NULL)Return the correct link for product/category/supplier/manufacturer.
getSupplierLink($id_supplier, $alias = NULL, $id_lang = NULL) 
goPage($url, $p) 
preloadPageLinks() 

MailCore (Mail.php)

Method name and parameters

Description

l($string, $id_lang = null)This method is used to get the translation for email Object. For an object is forbidden to use htmlentities, we have to return a sentence with accents.
Send($id_lang, $template, $subject, $templateVars, $to, $toName = NULL, $from = NULL, $fromName = NULL, $fileAttachment = NULL, $modeSMTP = NULL, $templatePath = PS_MAIL_DIR, $die = false) 
sendMailTest($smtpChecked, $smtpServer, $content, $subject, $type, $to, $from, $smtpLogin, $smtpPassword, $smtpPort = 25, $smtpEncryption) 

ObjectModelCore (ObjectModel.php)

This is the main object from PrestaShop's object model. Any overriding of its methods is bound to influence how all the other classes and methods act. Use carefully.

Method name and parameters

Description

__construct($id = NULL, $id_lang = NULL)

Build object.

add($autodate = true, $nullValues = false)

Save current object to database (add or update).

delete()

Delete current object from database.

deleteSelection($selection)

Delete several objects from database.

getFields()

Prepare fields for ObjectModel class (add, update).

getValidationRules($className = _CLASS_)

Return object validation rules (fields validity).

save($nullValues = false, $autodate = true)

Save current object to database (add or update).

toggleStatus()

Toggle object status in database.

update($nullValues = false)

Update current object to database.

validateFields($die = true, $errorReturn = false)

Check for fields validity before database interaction.

PDFCode (PDF.php)

Method name and parameters

Description

Footer()

Invoice footer.

Header()

Invoice header.

ToolsCore (Tools.php)

Method name and parameters

Description

addCSS($css_uri, $css_media_type = 'all')Add a stylesheet at any time.
addJS($js_uri)Load a javascript file in the header.
cccCss()Combine Compress and Cache (ccc) CSS calls.
cccJS()Combine Compress and Cache (ccc) JS calls.
convertBytes($value)Convert a shorthand byte value from a PHP configuration directive to an integer value.
convertPrice($price, $currency = NULL, $to_currency = true)Return price converted.
dateDays() 
dateFormat($params, &$smarty)Display date regarding to language preferences.
dateFrom($date) 
dateMonths() 
dateTo($date) 
dateYears()Generate date form.
deleteDirectory($dirname, $delete_self = true)Delete directory and subdirectories.
dieObject($object, $kill = true)Display an error with detailed object.
displayDate($date, $id_lang, $full = false, $separator = '-')Display date regarding to language preferences.
displayError($string = 'Fatal error', $htmlentities = true)Display an error according to an error code.
displayPrice($price, $currency = NULL, $no_utf8 = false)Return price with currency sign for a given product.
encrypt($passwd)Encrypt password.
getAdminToken($string)Encrypt password.
getCurrentUrlProtocolPrefix()Get the current url prefix protocol (https/http).
getHomeMetaTags($id_lang, $page_name)Get meta tags for a given page.
getHttpHost($http = false, $entities = false)Return the <b>current</b> host used, with the protocol (http or https) if $http is true. This function should not be used to choose http or https domain name. Use Tools::getShopDomain() or Tools::getShopDomainSsl instead.
getMetaTags($id_lang, $page_name)Get meta tages for a given page.
getPath($id_category, $path = '', $linkOntheLastItem = false, $categoryType = 'products')Get the user's journey.
getProductsOrder($type, $value = null)Get products order field name for queries.
getProtocol($use_ssl = null)Return the set protocol according to configuration (https).
getRemoteAddr()Get the server variable REMOTE_ADDR, or the first ip of HTTP_X_FORWARDED_FOR (when using proxy).
getServerName()Get the server variable SERVER_NAME.
getShopDomain($http = false, $entities = false)Returns domain name according to configuration and ignoring ssl.
getShopDomainSsl($http = false, $entities = false)returns domain name according to configuration and depending on ssl activation.
getToken($page = true)Get token to prevent CSRF.
getValue($key, $defaultValue = false)Get a value from $_POST / $_GET. If unavailable, take a default value.
isSubmit($submit)Check if submit has been posted.
jsonDecode($json, $assoc = false)Convert json string to php array / object.
link_rewrite($str, $utf8_decode = false)Return the friendly url from the provided string.
passwdGen($length = 8)Random password generator.
redirect($url, $baseUri = _PS_BASE_URI_)Redirect user to another page.
redirectAdmin($url)Redirect user to another admin page.
redirectLink($url)Redirect url wich allready PS_BASE_URI.
safeOutput($string, $html = false)Sanitize a string.
secureReferrer($referrer)Secure an URL referrer.
setCookieLanguage()Change language in cookie while clicking on a flag.
setCurrency()Set cookie currency from POST or default currency.
str2url($str)Return a friendly url made from the provided string. If the mbstring library is available, the output is the same as the js function of the same name.
switchLanguage()Set cookie id_lang.
toCamelCase($str, $capitaliseFirstChar = false)Translates a string with underscores into camel case (e.g. first_name -> firstName).
truncate($str, $maxLen, $suffix = '...')Truncate strings.
usingSecureMode()Check if the current page use SSL connection on not.
ZipExtract($fromFile, $toDir)Extract a zip file to the given directory.
ZipTest($fromFile)Try to open a zip file in order to check if it's valid.

ValidateCore.php

Method name and parameters

Description

IsSortDirection($value)Check if the value is a sort direction value (DESC/ASC)
isAbsoluteUrl($url)Check object validity
isAddress($address)Check for a postal address validity
isArrayWithIds($ids)isArrayWithIds()
isBirthDate($date)Check for birthDate validity
isCarrierName($name)Check for a carrier name validity
isCatalogName($name)Check for product or category name validity
isCityName($city)Check for city name validity
isCleanHtml($html)Check for HTML field validity
isColor($color)Check object validity
isConfigName(string $configName)Check for configuration key validity
isCookie(mixed $data)Check if $data is a PrestaShop cookie object
isCoordinate(string $data)Check for Latitude/Longitude
isCountryName(string $name)Check for a country name validity
isDate(string $date)Check for date validity
isDateFormat(string $date)Check for date format
isDiscountName(string $discountName)Check for discount coupon name validity
isDistanceUnit($unit)isDistanceUnit()
isDniBool(string $dni)Check for Dni validity
isEan13(string $ean13)Check for barcode validity (EAN-13)
isEmail(string $email)Check for e-mail validity
isFileName(string $name)Check for standard name file validity
isGenderIsoCode(string $isoCode)Check for gender code (ISO) validity
isLangIsoCode(string $iso_code)Check for Language Iso Code
isLinkRewrite(string $link)Check for a link (url-rewriting only) validity
isMd5(string $md5)Check for MD5 string validity
isPasswd(string $passwd, $size)Check for password validity
isPhoneNumber(string $phoneNumber)Check for phone number validity
isPhpDateFormat(string $date_format)Check date formats like http://php.net/manual/en/function.date.php
isPostCode(string $postcode)Check for postal code validity
isSerializedArray(string $data)Check for PHP serialized data
isSha1(string $sha1)Check for SHA1 string validity
isUpc(string $upc)Check for barcode validity (UPC)
isUrl(string $url)Check url valdity (disallowed empty string)
isUrlOrEmpty(string $url)Check url validity (allowed empty string)
isZipCodeFormat(string $zip_code)Check for zip code format validity
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