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<?php |
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namespace JFB_Modules\Validation\Ssr; |
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|
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use Jet_Form_Builder\Request\Parser_Context; |
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|
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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class Is_User_Login_Unique extends Base_Validation_Callback { |
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|
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public function get_id(): string { |
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return 'is_user_login_unique'; |
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} |
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public function get_label(): string { |
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return __( 'Is user login unique', 'jet-form-builder' ); |
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} |
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|
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public function is_valid( $value, Parser_Context $context ): bool { |
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if ( ! is_string( $value ) ) { |
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return false; |
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} |
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|
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return ! (bool) username_exists( $value ); |
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} |
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} |
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