Code Duplication    Length = 3-3 lines in 2 locations

modules/widgets/simple-payments.php 2 locations

@@ 138-140 (lines=3) @@
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				wp_send_json_error( 'insufficient_post_permissions', 403 );
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			}
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			if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) {
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				wp_send_json_error( 'missing_params', 400 );
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			}
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			$params = wp_unslash( $_POST['params'] );
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			$errors = $this->validate_ajax_params( $params );
@@ 201-203 (lines=3) @@
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				wp_send_json_error( 'customize_not_allowed', 403 );
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			}
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			if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) {
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				wp_send_json_error( 'missing_params', 400 );
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			}
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			$params = wp_unslash( $_POST['params'] );
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			$illegal_params = array_diff( array_keys( $params ), array( 'product_post_id' ) );