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CakePHP

C CakePHP 4.6 Strawberry API

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Class FormContext

Provides a context provider for {@link \Cake\Form\Form} instances.

This context provider simply fulfils the interface requirements that FormHelper has and allows access to the form data.

Namespace: Cake\View\Form

Constants

  • array<string>
    VALID_ATTRIBUTES ¶
    ['length', 'precision', 'comment', 'null', 'default']

Property Summary

  • $_form protected
    Cake\Form\Form

    The form object.

  • $_validator protected
    string|null

    Validator name.

Method Summary

  • __construct() public

    Constructor.

  • _schemaDefault() protected

    Get default value from form schema for given field.

  • attributes() public

    Get an associative array of other attributes for a field name.

  • error() public

    Get the errors for a given field

  • fieldNames() public

    Get the field names of the top level object in this context.

  • getMaxLength() public

    Get maximum length of a field from model validation.

  • getPrimaryKey() public

    Get the fields used in the context as a primary key.

  • getRequiredMessage() public

    Gets the default "required" error message for a field

  • hasError() public

    Check whether a field has an error attached to it

  • isCreate() public

    Returns whether this form is for a create operation.

  • isPrimaryKey() public

    Returns true if the passed field name is part of the primary key for this context

  • isRequired() public

    Check if a given field is 'required'.

  • primaryKey() public deprecated

    Get the fields used in the context as a primary key.

  • type() public

    Get the abstract field type for a given field name.

  • val() public

    Get the current value for a given field.

Method Detail

__construct() ¶ public

__construct(array $context)

Constructor.

Parameters
array $context

Context info.

_schemaDefault() ¶ protected

_schemaDefault(string $field): mixed

Get default value from form schema for given field.

Parameters
string $field

Field name.

Returns
mixed

attributes() ¶ public

attributes(string $field): array

Get an associative array of other attributes for a field name.

Parameters
string $field
Returns
array

error() ¶ public

error(string $field): array

Get the errors for a given field

Parameters
string $field
Returns
array

fieldNames() ¶ public

fieldNames(): array<string>

Get the field names of the top level object in this context.

Returns
array<string>

getMaxLength() ¶ public

getMaxLength(string $field): int|null

Get maximum length of a field from model validation.

Parameters
string $field
Returns
int|null

getPrimaryKey() ¶ public

getPrimaryKey(): array<string>

Get the fields used in the context as a primary key.

Returns
array<string>

getRequiredMessage() ¶ public

getRequiredMessage(string $field): string|null

Gets the default "required" error message for a field

Parameters
string $field
Returns
string|null

hasError() ¶ public

hasError(string $field): bool

Check whether a field has an error attached to it

Parameters
string $field
Returns
bool

isCreate() ¶ public

isCreate(): bool

Returns whether this form is for a create operation.

Returns
bool

isPrimaryKey() ¶ public

isPrimaryKey(string $field): bool

Returns true if the passed field name is part of the primary key for this context

Parameters
string $field
Returns
bool

isRequired() ¶ public

isRequired(string $field): bool|null

Check if a given field is 'required'.

In this context class, this is simply defined by the 'required' array.

Parameters
string $field
Returns
bool|null

primaryKey() ¶ public

primaryKey(): array<string>

Get the fields used in the context as a primary key.

Returns
array<string>

type() ¶ public

type(string $field): string|null

Get the abstract field type for a given field name.

Parameters
string $field
Returns
string|null

val() ¶ public

val(string $field, array<string, mixed> $options = []): mixed

Get the current value for a given field.

Classes implementing this method can optionally have a second argument $options. Valid key for $options array are:

  • default: Default value to return if no value found in data or context record.
    • schemaDefault: Boolean indicating whether default value from context's schema should be used if it's not explicitly provided.
Parameters
string $field
array<string, mixed> $options optional
Returns
mixed

Property Detail

$_form ¶ protected

The form object.

Type
Cake\Form\Form

$_validator ¶ protected

Validator name.

Type
string|null
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