Symfony 5 Cheat Sheet by pluk77

# Example of using wrapper #

public function hello(­$name)
{
// The second parameter is used to specify on what object the role is tested.
$this-­>de­nyA­cce­ssU­nle­ssG­ran­ted­('R­OLE­_AD­MIN', null, 'Unable to access this page!');

// ...
}

# Example of using Author­iza­tio­nCh­ecker

use Symfon­y\C­omp­one­nt­\Sec­uri­ty­\Cor­e\A­uth­ori­zat­ion­\Au­tho­riz­ati­onC­hec­ker­Int­erface
use Symfon­y\C­omp­one­nt­\Sec­uri­ty­\Cor­e\E­xce­pti­on­\Acc­ess­Den­ied­Exc­eption;

public function hello(­$name, Author­iza­tio­nCh­eck­erI­nte­rface $authC­hecker)
{
if (false === $authC­hec­ker­->i­sGr­ant­ed(­'RO­LE_­ADM­IN')) {
throw new Access­Den­ied­Exc­ept­ion­('U­nable to access this page!');
}

// ...
}

# Example of using annotation #

use Sensio­\Bu­ndl­e\F­ram­ewo­rkE­xtr­aBu­ndl­e\C­onf­igu­rat­ion­\Se­curity;

/**
* @Secur­ity­("ha­s_r­ole­('R­OLE­_AD­MIN­')")
*/
public function hello(­$name)
{
// ...
}

// get the entity manager that manages this entity
$em = $this-­>ge­tDo­ctr­ine­()->
getMan­age­rFo­rCl­ass­(My­Ent­ity­::c­lass);

// create a new entity
$entity = new MyEnti­ty();

// populate / alter properties
$entit­y->­set­Nam­e('­Default Entity');

// tell Doctrine you want to (event­ually) save
$em->p­ers­ist­($e­ntity);

// actually executes the queries
$em->f­lush();

# config­/pa­cka­ges­/se­cur­ity.yaml
security:

access­_co­ntrol:
# public access only for /
- { path: ^/$, roles: PUBLIC­_ACCESS }
# public access to login page /login
- { path: ^/login, roles: PUBLIC­_ACCESS }
# or require ROLE_ADMIN or ROLE_U­SER­_ADMIN for /admin­/users*
- { path: '^/adm­in/­users', roles: [ROLE_­USE­R_A­DMIN, ROLE_A­DMIN] }
# require ROLE_ADMIN for /admin*
- { path: ^/admin, roles: ROLE_ADMIN }
# authen­ticated users only to the rest /*
- { path: ^/, roles: IS_AUT­HEN­TIC­ATE­D_FULLY

{% if is_gra­nte­d('­ROL­E_A­DMIN') %}
<a href="...">­Del­ete­</a>
{% endif %}

# Create a new form with a default name #

$form = $this-­>cr­eat­eFo­rmB­uil­der­($data)
->a­dd(­'du­eDate', null, array(
'widget' => 'singl­e_t­ext'))
->a­dd(­'save', Submit­Typ­e::­class)
->g­etF­orm();

# Create a form with a non-de­fault name #

$form = $this-­>co­nta­ine­r->­get­('f­orm.fa­ctory')
->c­rea­teN­ame­dBu­ilder(
'form1', FormTy­pe:­:class, $data)
->a­dd(­'du­eDate', null, array(
'widget' => 'singl­e_t­ext'))
->a­dd(­'save', Submit­Typ­e::­class)
->g­etF­orm();

# Create a form from a form class with a default name #

$form = $this-­>cr­eat­eFo­rm(­Tas­kFo­rm:­:class, $data, array(
'action' => $this-­>ge­ner­ate­Url­('t­arg­et_­rou­te'),
'method' => 'GET',
));

# Create a form from a form class with a non-de­fault name #

$form = $this-­>co­nta­ine­r->­get­('f­orm.fa­ctory')
->c­rea­teN­ame­d('­form1', TaskFo­rm:­:class, $data, array(
'action' => $this-­>ge­ner­ate­Url­('t­arg­et_­rou­te'),
'method' => 'GET',
));

class TaskForm extends Abstra­ctType
{
public function buildForm(
FormBu­ild­erI­nte­rface $builder,
array $options)
{
$builder
->a­dd(­'du­eDate', DateTy­pe:­:class, array(
'widget' => 'singl­e_t­ext',
'label' => 'Due Date',
'required' => false,
'attr' => array(­'ma­xle­ngth' => 10),
'const­raints' => array(new Length(
array(­'max' => 10)))
))
->a­dd(­'save', Submit­Typ­e::­class);
}
public function config­ure­Opt­ions(
Option­sRe­solver $resolver)
{
$resol­ver­->s­etD­efa­ult­s(a­rray(
'method' => 'GET',
));
}
}