A criterion that matches content based on if Field is empty.
Properties¶
$operator
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Criterion.php
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21
The operator used by the Criterion.
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$target
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Criterion.php
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33
The target used by the criteria (field, metadata...).
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$value
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Criterion.php
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28
The value(s) matched by the criteria.
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$valueData
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Criterion.php
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38
Additional value data, required by some criteria, MapLocationDistance for instance.
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Methods¶
__construct()
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IsFieldEmpty.php
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25
Creates a Criterion.
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Parameters
| Name | Type | Default value | Description |
|---|---|---|---|
| $fieldDefinitionIdentifier | string | - | - |
| $value | bool | true | - |
Tags
getSpecifications()
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IsFieldEmpty.php
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30
Criterion description function.
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Returns the combination of the Criterion's supported operator/value, as an array of Specifications objects
- Specifications::$operator is a supported Operator constant.
- Specifications::$valueFormat is the type of input value this operator requires, either array (Specifications::FORMAT_ARRAY) or single (Specifications::FORMAT_SINGLE).
- Specifications::$valueTypes are bitwise flags of types the operator will accept (Specifications::TYPE_BOOLEAN, Specifications::TYPE_INTEGER, and/or Specifications::TYPE_STRING).
- Specifications::$valueCount is an integer saying how many values are expected.
// IN and EQ are supported
return [
// The EQ operator expects a single value, either as an integer or a string
new Specifications(
Operator::EQ,
Specifications::FORMAT_SINGLE,
Specifications::TYPE_INTEGER | Specifications::TYPE_STRING
),
// The IN operator expects an array of values, of either integers or strings
new Specifications(
Operator::IN,
Specifications::FORMAT_ARRAY,
Specifications::TYPE_INTEGER | Specifications::TYPE_STRING
)
]
Return values
array<int, Specifications>