bp_search_pagination( int $total_items, int $items_per_page, int $curr_paged, string $slug, int $links_on_each_side = 2, string $hashlink = '', string $param_key = 'list' )

	function bp_search_pagination( $total_items, $items_per_page, $curr_paged, $slug, $links_on_each_side = 2, $hashlink = "", $param_key = "list" ) {
		$use_bootstrap = false;
		if ( defined( 'BOOTSTRAP_ACTIVE' ) ) {
			$use_bootstrap = true;
		}

		$s = $links_on_each_side; //no of tabs to show for previos/next paged links
		if ( $curr_paged == 0 ) {
			$curr_paged = 1;
		}
		/* $elements : an array of arrays; each child array will have following structure
		  $child[0] = text of the link
		  $child[1] = page no of target page
		  $child[2] = link type :: link|current|nolink
		 */
		$elements    = array();
		$no_of_pages = ceil( $total_items / $items_per_page );
		//prev lik
		if ( $curr_paged > 1 ) {
			$elements[] = array( '←', $curr_paged - 1, 'link' );
		}
		//generating $s(2) links before the current one
		if ( $curr_paged > 1 ) {
			$rev_array = array(); //paged in reverse order
			$i         = $curr_paged - 1;
			$counter   = 0;
			while ( $counter < $s && $i > 0 ) {
				$rev_array[] = $i;
				$i --;
				$counter ++;
			}
			$arr = array_reverse( $rev_array );
			if ( $counter == $s ) {
				$elements[] = array( ' &hellip; ', '', 'nolink' );
			}
			foreach ( $arr as $el ) {
				$elements[] = array( $el, $el, 'link' );
			}
			unset( $rev_array );
			unset( $arr );
			unset( $i );
			unset( $counter );
		}

		//generating $s+1(3) links after the current one (includes current)
		if ( $curr_paged <= $no_of_pages ) {
			$i       = $curr_paged;
			$counter = 0;
			while ( $counter < $s + 1 && $i <= $no_of_pages ) {
				if ( $i == $curr_paged ) {
					$elements[] = array( $i, $i, 'current' );
				} else {
					$elements[] = array( $i, $i, 'link' );
				}
				$counter ++;
				$i ++;
			}
			if ( $counter == $s + 1 ) {
				$elements[] = array( ' &hellip; ', '', 'nolink' );
			}
			unset( $i );
			unset( $counter );
		}
		//next link
		if ( $curr_paged < $no_of_pages ) {
			$elements[] = array( '&rarr;', $curr_paged + 1, 'link' );
		}
		/* enough php, lets echo some html */
		if ( isset( $elements ) && count( $elements ) > 1 ) {
			?>
			<div class="pagination navigation">
				<?php if ( $use_bootstrap ): ?>
				<div class='pagination-links'>
					<?php else: ?>
					<div class="pagination-links">
						<?php endif; ?>
						<?php
						foreach ( $elements as $e ) {
							$link_html = "";
							$class     = "";
							switch ( $e[2] ) {
								case 'link':
									unset( $_GET[ $param_key ] );
									$base_link = get_bloginfo( 'url' ) . "/$slug?";
									foreach ( $_GET as $k => $v ) {
										$base_link .= "$k=$v&";
									}
									$base_link .= "$param_key=$e[1]";
									if ( isset( $hashlink ) && $hashlink != "" ) {
										$base_link .= "#$hashlink";
									}
									$link_html = "<a href='$base_link' title='$e[0]' class='page-numbers' data-pagenumber='$e[1]'>$e[0]</a>";
									break;
								case 'current':
									$class = "active";
									if ( $use_bootstrap ) {
										$link_html = "<span>$e[0] <span class='sr-only'>(current)</span></span>";
									} else {
										$link_html = "<span class='page-numbers current'>$e[0]</span>";
									}
									break;
								default:
									if ( $use_bootstrap ) {
										$link_html = "<span>$e[0]</span>";
									} else {
										$link_html = "<span class='page-numbers'>$e[0]</span>";
									}
									break;
							}

							//$link_html = "<li class='" . esc_attr($class) . "'>" . $link_html . "</li>";
							echo $link_html;
						}
						?>
						<?php if ( $use_bootstrap ): ?>
					</div>
					<?php else: ?>
				</div>
			<?php endif; ?>
			</div>
			<?php
		}
	}