Code Duplication    Length = 7-7 lines in 4 locations

includes/admin/admin-pages.php 4 locations

@@ 316-322 (lines=7) @@
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        $meta_query = !empty( $vars['meta_query'] ) ? $vars['meta_query'] : array();
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        // Filter vat rule type
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        if ( isset( $_GET['vat_rule'] ) && $_GET['vat_rule'] !== '' ) {
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            $meta_query[] = array(
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                    'key'   => '_wpinv_vat_rule',
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                    'value' => sanitize_text_field( $_GET['vat_rule'] ),
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                    'compare' => '='
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                );
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        }
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        // Filter vat class
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        if ( isset( $_GET['vat_class'] ) && $_GET['vat_class'] !== '' ) {
@@ 325-331 (lines=7) @@
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        }
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        // Filter vat class
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        if ( isset( $_GET['vat_class'] ) && $_GET['vat_class'] !== '' ) {
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            $meta_query[] = array(
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                    'key'   => '_wpinv_vat_class',
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                    'value' => sanitize_text_field( $_GET['vat_class'] ),
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                    'compare' => '='
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                );
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        }
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        // Filter item type
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        if ( isset( $_GET['type'] ) && $_GET['type'] !== '' ) {
@@ 334-340 (lines=7) @@
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        }
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        // Filter item type
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        if ( isset( $_GET['type'] ) && $_GET['type'] !== '' ) {
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            $meta_query[] = array(
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                    'key'   => '_wpinv_type',
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                    'value' => sanitize_text_field( $_GET['type'] ),
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                    'compare' => '='
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                );
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        }
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        if ( !empty( $meta_query ) ) {
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            $vars['meta_query'] = $meta_query;
@@ 348-354 (lines=7) @@
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    } else if ( 'wpi_discount' == $typenow ) {
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        $meta_query = !empty( $vars['meta_query'] ) ? $vars['meta_query'] : array();
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        // Filter vat rule type
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        if ( isset( $_GET['discount_type'] ) && $_GET['discount_type'] !== '' ) {
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            $meta_query[] = array(
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                    'key'   => '_wpi_discount_type',
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                    'value' => sanitize_text_field( $_GET['discount_type'] ),
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                    'compare' => '='
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                );
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        }
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        if ( !empty( $meta_query ) ) {
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            $vars['meta_query'] = $meta_query;