bbp-core / lib / bbpress / includes / search / functions.php

functions.php in Forumax – AI Powered Advanced Community Forum Plugin trunk, at lib/bbpress/includes/search/functions.php

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1	<?php
2
3	/**
4	* bbPress Search Functions
5	*
6	* @package bbPress
7	* @subpackage Functions
8	*/
9
10	// Exit if accessed directly
11	defined( 'ABSPATH' ) \|\| exit;
12
13	/ Query *******************************************************************/
14
15	/**
16	* Run the search query
17	*
18	* @since 2.3.0 bbPress (r4579)
19	*
20	* @param mixed $new_args New arguments
21	* @return bool False if no results, otherwise if search results are there
22	*/
23	function bbp_search_query( $new_args = array() ) {
24
25	// Existing arguments
26	$query_args = bbp_get_search_query_args();
27
28	// Merge arguments
29	if ( ! empty( $new_args ) ) {
30	$new_args = bbp_parse_args( $new_args, array(), 'search_query' );
31	$query_args = array_merge( $query_args, $new_args );
32	}
33
34	return bbp_has_search_results( $query_args );
35	}
36
37	/**
38	* Return the search query args
39	*
40	* @since 2.3.0 bbPress (r4579)
41	*
42	* @return array Query arguments
43	*/
44	function bbp_get_search_query_args() {
45
46	// Get search terms
47	$search_terms = bbp_get_search_terms();
48	$retval = ! empty( $search_terms )
49	? array( 's' => $search_terms )
50	: array();
51
52	// Filter & return
53	return apply_filters( 'bbp_get_search_query_args', $retval );
54	}
55
56	/**
57	* Redirect to search results page if needed
58	*
59	* @since 2.4.0 bbPress (r4928)
60	*
61	* @return If a redirect is not needed
62	*/
63	function bbp_search_results_redirect() {
64
65	// Bail if not a search request action
66	if ( empty( $_GET['action'] ) \|\| ( 'bbp-search-request' !== $_GET['action'] ) ) {
67	return;
68	}
69
70	// Bail if not using pretty permalinks
71	if ( ! bbp_use_pretty_urls() ) {
72	return;
73	}
74
75	// Get the redirect URL
76	$redirect_to = bbp_get_search_results_url();
77	if ( empty( $redirect_to ) ) {
78	return;
79	}
80
81	// Redirect and bail
82	bbp_redirect( $redirect_to );
83	}
84
85	/**
86	* Return an array of search types
87	*
88	* @since 2.6.0 bbPress (r6903)
89	*
90	* @return array
91	*/
92	function bbp_get_search_type_ids() {
93	return apply_filters( 'bbp_get_search_types', array( 's', 'fs', 'ts', 'rs' ) );
94	}
95
96	/**
97	* Sanitize a query argument used to pass some search terms.
98	*
99	* Accepts a single parameter to be used for forums, topics, or replies.
100	*
101	* @since 2.6.0 bbPress (r6903)
102	*
103	* @param string $query_arg s\|fs\|ts\|rs
104	*
105	* @return mixed
106	*/
107	function bbp_sanitize_search_request( $query_arg = 's' ) {
108
109	// Define allowed keys
110	$allowed = bbp_get_search_type_ids();
111
112	// Bail if not an allowed query string key
113	if ( ! in_array( $query_arg, $allowed, true ) ) {
114	return false;
115	}
116
117	// Get search terms if requested
118	$terms = ! empty( $_REQUEST[ $query_arg ] )
119	? $_REQUEST[ $query_arg ]
120	: false;
121
122	// Bail if query argument does not exist
123	if ( empty( $terms ) ) {
124	return false;
125	}
126
127	// Special case for array of terms
128	if ( is_array( $terms ) ) {
129
130	// Filter out any non-scalar array values, to avoid PHP warnings
131	$terms = array_filter( $terms, 'is_scalar' );
132
133	// Implode terms with spaces, to sanitize later
134	$terms = implode( ' ', $terms );
135	}
136
137	// Sanitize
138	$retval = sanitize_text_field( $terms );
139
140	// Filter & return
141	return apply_filters( 'bbp_sanitize_search_request', $retval, $query_arg );
142	}
143