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Add is_empty() method to validate numeric pick values #5776

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Add is_empty() method to validate numeric pick values #5776

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114c3a4
Add is_empty() method to validate numeric pick values
JoryHogeveen Jul 14, 2020
bdb9e41
Merge branch 'release/2.7.25' into feature/1854-empty-pick-values
JoryHogeveen Dec 17, 2020
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28 changes: 28 additions & 0 deletions classes/fields/pick.php
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Original file line number Diff line number Diff line change
Expand Up @@ -726,6 +726,34 @@ public function schema( $options = null ) {

}

/**
* @todo 2.8 Centralize the usage of this method. See PR #5540.
* {@inheritdoc}
*/
public function is_empty( $value = null ) {

$is_empty = false;

if ( is_array( $value ) ) {
foreach ( $value as $key => $val ) {
if ( $this->is_empty( $val ) ) {
unset( $value[ $key ] );
}
}
}

/**
* @todo Find a way to check for relationship type before comparing to `0` as this is still empty for posts/terms/users etc.
* Currently not possible since this method doesn't get any options passed as parameters.
*/
if ( empty( $value ) && '0' !== (string) $value ) {
$is_empty = true;
}

return $is_empty;

}

/**
* {@inheritdoc}
*/
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