Class NullContext
Provides a context provider that does nothing.
This context provider simply fulfils the interface requirements that FormHelper has.
Method Summary
-
__construct() public
Constructor.
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attributes() public
Get an associative array of other attributes for a field name.
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error() public
Get the errors for a given field
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fieldNames() public
Get the field names of the top level object in this context.
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getMaxLength() public
Get maximum length of a field from model validation.
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getPrimaryKey() public
Get the fields used in the context as a primary key.
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getRequiredMessage() public
Gets the default "required" error message for a field
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hasError() public
Check whether or not a field has an error attached to it
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isCreate() public
Returns whether or not this form is for a create operation.
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isPrimaryKey() public
Returns true if the passed field name is part of the primary key for this context
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isRequired() public
Check if a given field is 'required'.
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primaryKey() public deprecated
Get the fields used in the context as a primary key.
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type() public
Get the abstract field type for a given field name.
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val() public
Get the current value for a given field.
Method Detail
__construct() ¶ public
__construct(array $context)
Constructor.
Parameters
-
array
$context Context info.
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(): string[]
Get the field names of the top level object in this context.
Returns
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(): string[]
Get the fields used in the context as a primary key.
Returns
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 or not a field has an error attached to it
Parameters
-
string
$field
Returns
bool
isCreate() ¶ public
isCreate(): bool
Returns whether or not 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(): string[]
Get the fields used in the context as a primary key.
Returns
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 $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
$options optional
Returns
mixed