if ( $allowed != 0 ) {
                                                    $allowed = 1;
                                                }
                                            } else {
                                                $allowed = 0;
                                            }
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '=<' ):
                                        if ( ( $v <= $pr_array['criteria'] ) ) {
                                            if ( $pr_array['than'] == 'include_only' ) {
                                                if ( $allowed != 0 ) {
                                                    $allowed = 1;
                                                }
                                            } else {
                                                $allowed = 0;
                                            }
                                        }
                                        break;
                                    case ( $pr_array['condition'] = 'empty' ):
                                        if ( strlen( $v ) < 1 ) {
                                            if ( $pr_array['than'] == 'include_only' ) {
                                                if ( $allowed != 0 ) {
                                                    $allowed = 1;
                                                }
                                            } elseif ( ! empty( $pt_value ) ) {
                                                $allowed = 1;
                                            } else {
                                                $allowed = 0;
                                            }
                                        }
                                        break;
                                    case ( $pr_array['condition'] = 'notempty' ):
                                        if ( strlen( $v ) > 1 ) {
                                            if ( $pr_array['than'] == 'include_only' ) {
                                                if ( $allowed != 0 ) {
                                                    $allowed = 1;
                                                }
                                            } elseif ( ! empty( $pt_value ) ) {
                                                $allowed = 1;
                                            } else {
                                                $allowed = 0;
                                            }
                                        }
                                        break;
                                    default:
                                        break;
                                }
                            } else {

                                switch ( $pr_array['condition'] ) {
                                    case ( $pr_array['condition'] = 'contains' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            $allowed = 0;
                                        } elseif ( $allowed != 0 ) {
                                            $allowed = 1;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = 'containsnot' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            if ( $allowed != 0 ) {
                                                $allowed = 1;
                                            }
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '=' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            $allowed = 0;
                                        } elseif ( $allowed != 0 ) {
                                            $allowed = 1;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '!=' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            if ( $allowed != 0 ) {
                                                $allowed = 1;
                                            }
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '>' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            $allowed = 0;
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '>=' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            $allowed = 0;
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '<' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            $allowed = 0;
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = '=<' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            $allowed = 0;
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = 'empty' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            if ( $allowed != 0 ) {
                                                $allowed = 1;
                                            }
                                        } else {
                                            $allowed = 0;
                                        }
                                        break;
                                    case ( $pr_array['condition'] = 'notempty' ):
                                        if ( $pr_array['than'] == 'include_only' ) {
                                            if ( $allowed != 0 ) {
                                                $allowed = 0;
                                            }
                                        } else {
                                            $allowed = 1;
                                        }
                                        break;
                                    default:
                                        break;
                                }
                            }
                        } else {
                            // For now only shipping details are in an array
                            foreach ( $pd_value as $k => $v ) {
                                foreach ( $v as $kk => $vv ) {
                                    // Only shipping detail rule can be on price for now
                                    if ( $kk == 'price' ) {
                                        switch ( $pr_array['condition'] ) {
                                            case ( $pr_array['condition'] = 'contains' ):
                                                if ( ( preg_match( '/' . $pr_array['criteria'] . '/', $vv ) ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = 'containsnot' ):
                                                if ( ( ! preg_match( '/' . $pr_array['criteria'] . '/', $vv ) ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '=' ):
                                                if ( ( $vv == $pr_array['criteria'] ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '!=' ):
                                                if ( ( $vv != $pr_array['criteria'] ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '>' ):
                                                if ( ( $vv > $pr_array['criteria'] ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '>=' ):
                                                if ( ( $vv >= $pr_array['criteria'] ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '<' ):
                                                if ( ( $vv < $pr_array['criteria'] ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '=<' ):
                                                if ( ( $vv <= $pr_array['criteria'] ) ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = 'empty' ):
                                                if ( strlen( $vv ) < 1 ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            case ( $pr_array['condition'] = 'notempty' ):
                                                if ( strlen( $vv ) > 1 ) {
                                                    $allowed = 0;
                                                }
                                                break;
                                            default:
                                                break;
                                        }
                                    } else {
                                        // These are filters on reviews
                                        switch ( $pr_array['condition'] ) {
                                            case ( $pr_array['condition'] = 'contains' ):
                                                if ( ( preg_match( '/' . $pr_array['criteria'] . '/', $vv ) ) ) {
                                                    if ( $pr_array['than'] == 'include_only' ) {
                                                        $allowed = 1;
                                                    } else {
                                                        $allowed = 0;
                                                    }
                                                }
                                                break;
                                            case ( $pr_array['condition'] = 'containsnot' ):
                                                if ( ( ! preg_match( '/' . $pr_array['criteria'] . '/', $vv ) ) ) {
                                                    if ( $pr_array['than'] == 'include_only' ) {
                                                        $allowed = 0;
                                                    } else {
                                                        $allowed = 1;
                                                    }
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '=' ):
                                                if ( ( $vv == $pr_array['criteria'] ) ) {
                                                    if ( $pr_array['than'] == 'include_only' ) {
                                                        $allowed = 1;
                                                    } else {
                                                        $allowed = 0;
                                                    }
                                                }
                                                break;
                                            case ( $pr_array['condition'] = '!=' ):
                                                if ( ( $vv != $pr_array['criteria'] ) ) {
                                                    if ( $pr_array['than'] == 'include_only' ) {
                                                        $allowed = 0;
                                                    } else {
                                                        $allowed = 1;
                                                    }
                                                }
                                                break;
                                            default:
                                                break;
                                        }
                                    }
                                }
                            }
                        }
                    } else {
                        // Filters for string values
                        // If case-sensitve is off than lowercase both the criteria and attribute value
                        if ( array_key_exists( 'cs', $pr_array ) ) {
                            if ( $pr_array['cs'] != 'on' ) {
                                $pd_value             = strtolower( $pd_value );
                                $pr_array['criteria'] = strtolower( $pr_array['criteria'] );
                            }
                        }

                        $pos               = strpos( $pd_value, '&amp;' );
                        $pos_slash_back    = strpos( $pr_array['criteria'], '\\' );
                        $pos_slash_forward = strpos( $pr_array['criteria'], '/' );

                        if ( $pos !== false ) {
                            $pd_value = str_replace( '&amp;', '&', $pd_value );
                        }
                        if ( $pos_slash_back !== false ) {
                            $pr_array['criteria'] = str_replace( '\\', '', $pr_array['criteria'] );
                        }
                        if ( $pos_slash_forward !== false ) {
                            $pr_array['criteria'] = str_replace( '/', '', $pr_array['criteria'] );
                            $pd_value             = str_replace( '/', '', $pd_value );
                        }

                        // if(!empty($pd_value)){
                        switch ( $pr_array['condition'] ) {
                            case ( $pr_array['condition'] = 'contains' ):
                                if ( ( preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( ! preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                } elseif ( ( preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    if ( $allowed != 0 ) {
                                        $allowed = 1;
                                    }
                                }
                                break;
                            case ( $pr_array['condition'] = 'containsnot' ):
                                if ( ( ! preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = '=' ):
                                if ( ( $pr_array['criteria'] == "$pd_value" ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( $pr_array['criteria'] != "$pd_value" ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $found = strpos( $pd_value, $pr_array['criteria'] );
                                    if ( $found !== false ) {
                                        // for category mapping check if its an array
                                        if ( $pr_array['attribute'] == 'raw_categories' ) {
                                            $raw_cats_arr = explode( '||', $pd_value );
                                            if ( is_array( $raw_cats_arr ) ) {
                                                if ( in_array( $pr_array['criteria'], $raw_cats_arr, true ) ) {
                                                    if ( $allowed != 0 ) {
                                                        $allowed = 1;
                                                    }
                                                } else {
                                                    $allowed = 0;
                                                }
                                            }
                                        } elseif ( $allowed != 0 ) {
                                            $allowed = 1;
                                        }
                                    } else {
                                        $allowed = 0;
                                    }
                                } elseif ( ( $pr_array['criteria'] == "$pd_value" ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    if ( $allowed != 0 ) {
                                        $allowed = 1;
                                    }
                                } elseif ( ( preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    // $allowed = 0;
                                } elseif ( ( preg_match( '/' . $pr_array['criteria'] . '/', $pd_value ) ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 1;
                                } else {
                                    // $allowed = 1; // Change made on February 24th 2021
                                }
                                break;
                            case ( $pr_array['condition'] = '!=' ):
                                if ( ( $pr_array['criteria'] == "$pd_value" ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    if ( $allowed != 0 ) {
                                        $allowed = 1;
                                    }
                                } elseif ( ( $pr_array['criteria'] == "$pd_value" ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                } elseif ( ( $pr_array['criteria'] != "$pd_value" ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = '>' ):
                                // Use a lexical order on relational string operators
                                if ( ( $pd_value > $pr_array['criteria'] ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( $pd_value < $pr_array['criteria'] ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = '>=' ):
                                // Use a lexical order on relational string operators
                                if ( ( $pd_value >= $pr_array['criteria'] ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( $pd_value < $pr_array['criteria'] ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = '<' ):
                                // Use a lexical order on relational string operators
                                if ( ( $pd_value < $pr_array['criteria'] ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( $pd_value > $pr_array['criteria'] ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = '=<' ):
                                // Use a lexical order on relational string operators
                                if ( ( $pd_value <= $pr_array['criteria'] ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( $pd_value > $pr_array['criteria'] ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = 'empty' ):
                                if ( ( strlen( $pd_value ) < 1 ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( strlen( $pd_value ) > 0 ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    if ( $allowed != 0 ) {
                                        $allowed = 1;
                                    }
                                } elseif ( ( strlen( $pd_value ) > 0 ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            case ( $pr_array['condition'] = 'notempty' ):
                                if ( ( strlen( $pd_value ) > 0 ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    $allowed = 0;
                                } elseif ( ( strlen( $pd_value ) < 1 ) && ( $pr_array['than'] == 'exclude' ) ) {
                                    if ( $allowed != 0 ) {
                                        $allowed = 1;
                                    }
                                } elseif ( ( strlen( $pd_value ) < 1 ) && ( $pr_array['than'] == 'include_only' ) ) {
                                    $allowed = 0;
                                }
                                break;
                            default:
                                break;
                        }
                        // }
                    }
                }
            }
        }

        if ( $allowed < 1 ) {
            $product_data = array();
            $product_data = null;
        } else {
            return $product_data;
        }
    }
}