WP_Query con "post_title LIKE 'qualcosa%'"?

Question

WP_Query con "post_title LIKE 'qualcosa%'"?

46

131810 2011-05-30

Devoeseguire un WP_Query con un LIKE su post_title.

Hoiniziato con questonormale WP_Query:

 $wp_query = new WP_Query( 
    array (
        'post_type'        => 'wp_exposants',
        'posts_per_page'   => '1',
        'post_status'      => 'publish',
        'orderby'          => 'title', 
        'order'            => 'ASC',
        'paged'            => $paged
    )
);

Ma quello che vogliofarein realtà è questoin SQL:

 $query = "
        SELECT      *
        FROM        $wpdb->posts
        WHERE       $wpdb->posts.post_title LIKE '$param2%'
        AND         $wpdb->posts.post_type = 'wp_exposants'
        ORDER BY    $wpdb->posts.post_title
";
$wpdb->get_results($query);

L'output stampai risultati che sto aspettando,maio usoilnormale <?php while ( $wp_query->have_posts() ) : $wp_query->the_post(); ?>per visualizzarei risultati.
E questononfunziona con $wpdb->get_results().

Comeposso ottenere ciò che ho descritto qui?

I need to do a WP_Query with a LIKE on the post_title.

I started with this regular WP_Query:

$wp_query = new WP_Query( 
    array (
        'post_type'        => 'wp_exposants',
        'posts_per_page'   => '1',
        'post_status'      => 'publish',
        'orderby'          => 'title', 
        'order'            => 'ASC',
        'paged'            => $paged
    )
);

But what I actually want to do looks like this in SQL:

$query = "
        SELECT      *
        FROM        $wpdb->posts
        WHERE       $wpdb->posts.post_title LIKE '$param2%'
        AND         $wpdb->posts.post_type = 'wp_exposants'
        ORDER BY    $wpdb->posts.post_title
";
$wpdb->get_results($query);

The output prints the results i'm excpecting, but I use the regular <?php while ( $wp_query->have_posts() ) : $wp_query->the_post(); ?> to display the results.
And that is not working with $wpdb->get_results().

How can I achieve what I described here?

fonte
Ludo

5 risposta

voti

21

2013-04-19

Semplificato:

 function title_filter( $where, &$wp_query )
{
    global $wpdb;
    // 2. pull the custom query in here:
    if ( $search_term = $wp_query->get( 'search_prod_title' ) ) {
        $where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . esc_sql( like_escape( $search_term ) ) . '%\'';
    }
    return $where;
}

$args = array(
    'post_type' => 'product',
    'posts_per_page' => $page_size,
    'paged' => $page,
    // 1. define a custom query var here to pass your term through:
    'search_prod_title' => $search_term,
    'post_status' => 'publish',
    'orderby'     => 'title', 
    'order'       => 'ASC'
);

add_filter( 'posts_where', 'title_filter', 10, 2 );
$wp_query = new WP_Query($args);
remove_filter( 'posts_where', 'title_filter', 10 );
return $wp_query;

Simplified:

function title_filter( $where, &$wp_query )
{
    global $wpdb;
    // 2. pull the custom query in here:
    if ( $search_term = $wp_query->get( 'search_prod_title' ) ) {
        $where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . esc_sql( like_escape( $search_term ) ) . '%\'';
    }
    return $where;
}

$args = array(
    'post_type' => 'product',
    'posts_per_page' => $page_size,
    'paged' => $page,
    // 1. define a custom query var here to pass your term through:
    'search_prod_title' => $search_term,
    'post_status' => 'publish',
    'orderby'     => 'title', 
    'order'       => 'ASC'
);

add_filter( 'posts_where', 'title_filter', 10, 2 );
$wp_query = new WP_Query($args);
remove_filter( 'posts_where', 'title_filter', 10 );
return $wp_query;

Includere una spiegazioneinsieme al codice.

Please include an explanation along with your code.
- 13
- 2013-04-19
- s_ha_dum
Grande semplificazione

Great simplification
- 2
- 2014-11-10
- Timo Huovinen
Il codice è,credo,auto spiegato,almenoperme.Grazieper aver condiviso lo script completo.

Code is i think self explained, atleast for me. Thanks for sharing complete script.
- 2
- 2017-08-08
- Hassan Dad Khan
Usa '$ wpdb->esc_like ('invece di 'esc_sql (like_escape ('

Use '$wpdb->esc_like (' instead of 'esc_sql( like_escape('
- 2
- 2018-02-19
- fdrv
@fdrv Hai ragionema secondo la documentazione di wp $ wpdb->esc_like ha ancorabisogno diesc_sql ().Quindipenso cheil codice corretto sarebbeesc_sql ($ wpdb->esc_like ($ search_term))

@fdrv You are right but according to wp docs $wpdb->esc_like still need esc_sql(). So I think the correct code would be esc_sql( $wpdb->esc_like( $search_term ) )
- 0
- 2019-10-18
- Waqas Bukhary
`like_escape` deprecato 4.0.0 Usa` wpdb ::esc_like`

`like_escape` deprecated 4.0.0 Use `wpdb::esc_like`
- 0
- 2020-03-14
- Empty Brain
`remove_filter` usa solo 3 argomenti,l'ultimopuòessere rimosso.

`remove_filter` only uses 3 arguments, the last one can be removed.
- 2
- 2020-06-24
- Skatox

- 18
- 2015-01-02
Volevo aggiornare questo codice su cui avete lavoratoper wordpress 4.0e versioni successivepoichéesc_sql () è deprecatonelle versioni 4.0 successive.

function title_filter($where, &$wp_query){ global $wpdb; if($search_term = $wp_query->get( 'search_prod_title' )){ /*using the esc_like() in here instead of other esc_sql()*/ $search_term = $wpdb->esc_like($search_term); $search_term = ' \'%' . $search_term . '%\''; $where .= ' AND ' . $wpdb->posts . '.post_title LIKE '.$search_term; } return $where; }

Il resto è lo stesso.

Inoltre,voglio sottolineare chepuoi utilizzare la variabile s all'interno degli argomenti WP_Queryperpassarei termini di ricerca,che cercheranno ancheiltitolo delpost credo.

In questomodo:

$args = array( 'post_type' => 'post', 's' => $search_term, 'post_status' => 'publish', 'orderby' => 'title', 'order' => 'ASC' ); $wp_query = new WP_Query($args);
Wanted to update this code you guys worked on for the wordpress 4.0 and above as esc_sql() is deprecated in 4.0 higher.

function title_filter($where, &$wp_query){ global $wpdb; if($search_term = $wp_query->get( 'search_prod_title' )){ /*using the esc_like() in here instead of other esc_sql()*/ $search_term = $wpdb->esc_like($search_term); $search_term = ' \'%' . $search_term . '%\''; $where .= ' AND ' . $wpdb->posts . '.post_title LIKE '.$search_term; } return $where; }

Rest of the stuff is same.

Also I want to point out you can use s variable within WP_Query arguments to pass search terms, which will also search for post title i believe.

Like this:

$args = array( 'post_type' => 'post', 's' => $search_term, 'post_status' => 'publish', 'orderby' => 'title', 'order' => 'ASC' ); $wp_query = new WP_Query($args);
- Che cos'èesattamente "search_prod_title"?Dovrei cambiarlo con qualcos'altro?
  
  What exactly `search_prod_title` is? Should i change this to something else?
  - 0
  - 2017-03-24
  - Antonios Tsimourtos
- Da quando è deprecato `esc_sql`?Non è.`$ wpdb->escape` èperò ... https://developer.wordpress.org/reference/functions/esc_sql/
  
  Since when is `esc_sql` depricated? It's not. `$wpdb->escape` is though... https://developer.wordpress.org/reference/functions/esc_sql/
  - 0
  - 2018-02-02
  - Jeremy
- Nota cheilparametro s ricerca ancheil contenuto delpost,chepotrebbenonessere l'obiettivo desiderato.=)
  
  Note that the s parameter searches the post content as well, which may not be the desired aim. =)
  - 1
  - 2018-04-19
  - Christine Cooper
- `like_escape` deprecato` 4.0.0` Usa `wpdb ::esc_like`
  
  `like_escape` deprecated `4.0.0` Use `wpdb::esc_like`
  - 0
  - 2020-03-14
  - Empty Brain
- 16
- 2018-04-19
Con alcune soluzioni vulnerabilipubblicate qui,ho una versione unpo 'semplificatae disinfettata.

Innanzitutto,creiamo unafunzioneperilfiltro posts_where cheti consente dimostrare soloi post che corrispondono a condizioni specifiche:

function cc_post_title_filter($where, &$wp_query) { global $wpdb; if ( $search_term = $wp_query->get( 'cc_search_post_title' ) ) { $where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . $wpdb->esc_like( $search_term ) . '%\''; } return $where; }

Ora aggiungiamo cc_search_post_titlenegli argomenti dellanostra query:

$args = array( 'cc_search_post_title' => $search_term, // search post title only 'post_status' => 'publish', );

Einfine avvolgiilfiltro attorno alla query:

add_filter( 'posts_where', 'cc_post_title_filter', 10, 2 ); $query = new WP_Query($args); remove_filter( 'posts_where', 'cc_post_title_filter', 10 );

Utilizzo diget_posts ()

Alcunefunzioni che recuperanoi postnoneseguonofiltri,quindi lefunzioni difiltroposts_where che alleganonmodificheranno la query. Seprevedi di utilizzare get_posts()perinterrogarei tuoipost,deviimpostare suppress_filters sufalseneltuo array di argomenti:

$args = array( 'cc_search_post_title' => $search_term, 'suppress_filters' => FALSE, 'post_status' => 'publish', );

Orapuoi usare get_posts():

add_filter( 'posts_where', 'cc_post_title_filter', 10, 2 ); $posts = get_posts($args); remove_filter( 'posts_where', 'cc_post_title_filter', 10 );

Eilparametro s?

Ilparametro s è disponibile:

$args = array( 's' => $search_term, );

Mentre l'aggiunta deltermine di ricercanelparametro sfunzionae cercheràneltitolo delpost, anche cercherànel contenuto delpost.

Eilparametro title che è stato aggiunto con WP 4.4?

Passaggio di untermine di ricercanelparametro title:

$args = array( 'title' => $search_term, );

fa distinzionetramaiuscolee minuscolee LIKE,non %LIKE%. Ciò significa che la ricerca di hellonon restituiràilpost coniltitolo Hello World o Hello.
With some vulnerable solution posted here, I come with a bit simplified and sanitized version.

First, we create a function for the posts_where filter which allows you to only show posts matching specific conditions:

function cc_post_title_filter($where, &$wp_query) { global $wpdb; if ( $search_term = $wp_query->get( 'cc_search_post_title' ) ) { $where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . $wpdb->esc_like( $search_term ) . '%\''; } return $where; }

Now we add cc_search_post_title into our query arguments:

$args = array( 'cc_search_post_title' => $search_term, // search post title only 'post_status' => 'publish', );

And finally wrap the filter around the query:

add_filter( 'posts_where', 'cc_post_title_filter', 10, 2 ); $query = new WP_Query($args); remove_filter( 'posts_where', 'cc_post_title_filter', 10 );

Using get_posts()

Certain functions which retrieve posts do not run filters, so the posts_where filter functions you attach will not modify the query. If you plan to use get_posts() to query your posts, you need to set suppress_filters to false in your argument array:

$args = array( 'cc_search_post_title' => $search_term, 'suppress_filters' => FALSE, 'post_status' => 'publish', );

Now you can use get_posts():

add_filter( 'posts_where', 'cc_post_title_filter', 10, 2 ); $posts = get_posts($args); remove_filter( 'posts_where', 'cc_post_title_filter', 10 );

What about the s parameter?

The s parameter is available:

$args = array( 's' => $search_term, );

While adding your search term into the s parameter work and it will search the post title, it will also search the post content.

What about the title parameter which was added with WP 4.4?

Passing a search term into the title parameter:

$args = array( 'title' => $search_term, );

Is case sensitive and LIKE, not %LIKE%. This mean search for hello will not return post with title Hello World or Hello.
- Eccellente.Stavo cercando "post_title" comeparametroe,ovviamente,non hotrovatonulla.
  
  Excellent. I was looking for 'post_title' as a parameter and, obviously, didn't find anything.
  - 0
  - 2019-09-13
  - MastaBaba
- Ricevo unerrore con la query wp o ricevomessaggi: "E_WARNING Errorenelfile» class-wp-hook.php «alla riga 288:ilparametro 2 a cc_post_title_filter () dovrebbeessere un riferimento,valorefornito
  
  I'm getting an error with wp query or get posts: "E_WARNING Error in file »class-wp-hook.php« at line 288: Parameter 2 to cc_post_title_filter() expected to be a reference, value given
  - 0
  - 2020-03-03
  - Elkrat
- @Elkrat Rimuove `&` da `& $ wp_query`in` cc_post_title_filter`.
  
  @Elkrat Remove the `&` from `&$wp_query` in `cc_post_title_filter`.
  - 0
  - 2020-05-05
  - Mattimator

8

2015-04-28

Basandosi su altre risposteprima dime,perfornireflessibilitànella situazionein cui si desidera cercare unpost che contiene unaparolain unmetacampo Oneltitolo delpost,do questa opzionetramite l'argomento "title_filter_relation". In questaimplementazione,consento sologliinput "OR" o "AND" con un valorepredefinito "AND".

 function title_filter($where, &$wp_query){
    global $wpdb;
    if($search_term = $wp_query->get( 'title_filter' )){
        $search_term = $wpdb->esc_like($search_term); //instead of esc_sql()
        $search_term = ' \'%' . $search_term . '%\'';
        $title_filter_relation = (strtoupper($wp_query->get( 'title_filter_relation'))=='OR' ? 'OR' : 'AND');
        $where .= ' '.$title_filter_relation.' ' . $wpdb->posts . '.post_title LIKE '.$search_term;
    }
    return $where;
}

Ecco unesempio del codicein azioneper untipo dipostmolto semplice "faq"in cui la domanda èiltitolo delpost stesso:

 add_filter('posts_where','title_filter',10,2);
$s1 = new WP_Query( array(
    'post_type' => 'faq',
    'posts_per_page' => -1,
    'title_filter' => $q,
    'title_filter_relation' => 'OR',
    'post_status' => 'publish',
    'orderby'     => 'title', 
    'order'       => 'ASC',
    'meta_query' => array(
        'relation' => 'OR',
        array(
            'key' => 'faq_answer',
            'value' => $q,
            'compare' => 'LIKE'
        )
    )
));
remove_filter('posts_where','title_filter',10,2);

Building on other answers before me, to provide flexibility in the situation where you want to search a post that contains a word in a meta field OR in the title of the post, I give that option via the argument "title_filter_relation." In this implementation, I only allow for "OR" or "AND" inputs with a default of "AND."

function title_filter($where, &$wp_query){
    global $wpdb;
    if($search_term = $wp_query->get( 'title_filter' )){
        $search_term = $wpdb->esc_like($search_term); //instead of esc_sql()
        $search_term = ' \'%' . $search_term . '%\'';
        $title_filter_relation = (strtoupper($wp_query->get( 'title_filter_relation'))=='OR' ? 'OR' : 'AND');
        $where .= ' '.$title_filter_relation.' ' . $wpdb->posts . '.post_title LIKE '.$search_term;
    }
    return $where;
}

Here's an example of the code in action for a very simple post type "faq" where the question is the post title itself:

add_filter('posts_where','title_filter',10,2);
$s1 = new WP_Query( array(
    'post_type' => 'faq',
    'posts_per_page' => -1,
    'title_filter' => $q,
    'title_filter_relation' => 'OR',
    'post_status' => 'publish',
    'orderby'     => 'title', 
    'order'       => 'ASC',
    'meta_query' => array(
        'relation' => 'OR',
        array(
            'key' => 'faq_answer',
            'value' => $q,
            'compare' => 'LIKE'
        )
    )
));
remove_filter('posts_where','title_filter',10,2);

Buonaintuizione,aggiunta di "query vars"personalizzate agli argomenti della querypassati a `WP_Query`peresserein grado di accedervi all'interno delfiltro`posts_where`.

Good insight, adding custom "query vars" to the query args passed to `WP_Query` in order to be able to access them within the `posts_where` filter.
- 1
- 2017-02-04
- Tom Auger

Jan Fabry · Accepted Answer · 2011-05-30

49

2011-05-30

Risolverei questoproblema con unfiltro su WP_Query.Uno che rileva una variabile di query aggiuntivae la utilizza comeprefisso deltitolo.

 add_filter( 'posts_where', 'wpse18703_posts_where', 10, 2 );
function wpse18703_posts_where( $where, &$wp_query )
{
    global $wpdb;
    if ( $wpse18703_title = $wp_query->get( 'wpse18703_title' ) ) {
        $where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'' . esc_sql( $wpdb->esc_like( $wpse18703_title ) ) . '%\'';
    }
    return $where;
}

In questomodopuoi ancora chiamare WP_Query,devi semplicementepassareiltitolo come argomento wpse18703_title (o cambiareilnomein qualcosa dipiùbreve).

I would solve this with a filter on WP_Query. One that detects an extra query variable and uses that as the prefix of the title.

add_filter( 'posts_where', 'wpse18703_posts_where', 10, 2 );
function wpse18703_posts_where( $where, &$wp_query )
{
    global $wpdb;
    if ( $wpse18703_title = $wp_query->get( 'wpse18703_title' ) ) {
        $where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'' . esc_sql( $wpdb->esc_like( $wpse18703_title ) ) . '%\'';
    }
    return $where;
}

This way you can still call WP_Query, you just pass the title as the wpse18703_title argument (or change the name to something shorter).

Questoin qualchemodomanca di "$ wpdb->prepare ()".

This one is somehow missing the `$wpdb->prepare()`.
- 1
- 2012-11-06
- kaiser
@kaiser: Èpassatomoltotempo,mapenso che questonon sia statopossibile con `prepare ()`.`$ wpdb->prepare ('LIKE"% s %% "','banana')` restituirebbe '"LIKE' 'banana'% '" ",quindi dobbiamo costruirenoi stessi la querye fare anche l'escape.

@kaiser: It's been a long time, but I think this was not possible with `prepare()`. `$wpdb->prepare('LIKE "%s%%"', 'banana')` would return `"LIKE ''banana'%'"`, so we have to construct the query ourselves, and do the escaping too.
- 0
- 2012-11-06
- Jan Fabry
@JanFabry Felice di rivederti dinuovo!:) Passa unpo 'ditempoin chat,eh?StopPress sarebbefelice di vederti.Aproposito di `prepare ()`.Sì,è complicatoe ho dovutoprovarlo diverse volte,prima di aggirarlo.Da qualcosa che ho appena creato: `$ wpdb->prepare ('AND {$ wpdb->posts} .post_title LIKE% s',esc_sql ('%'. Like_escape (trim ($term)). '%'))`.E sono abbastanza sicuro che `esc_sql ()`non sianecessarioe semplicementeparanoico.

@JanFabry Happy to see you agaaaaaaaain! :) Drop by in chat some time, hm? StopPress would be happy to see you. About that `prepare()`. Yeah, that's tricky and I had to try that several times, before I got around it. From something I just made: `$wpdb->prepare( ' AND {$wpdb->posts}.post_title LIKE %s ', esc_sql( '%'.like_escape( trim( $term ) ).'%' ) )`. And I'm pretty sure the `esc_sql()` is unnecessary and just paranoid.
- 1
- 2012-11-07
- kaiser
Sembra chenon siapossibile cercare una stringa con `` '`(apostrofo) all'interno.Immagino siaper via dellafuga?Non ho ancoratrovato la soluzione

It seems that you can't search a string with `'` (apostrophe) inside. I guess it's because of escaping ? I didn't find the solution yet
- 0
- 2018-08-30
- Vincent Decaux

WP_Query con "post_title LIKE 'qualcosa%'"?

5 risposta

Utilizzo diget_posts ()

Eilparametro `s`?

Eilparametro `title` che è stato aggiunto con WP 4.4?

Using get_posts()

What about the `s` parameter?

What about the `title` parameter which was added with WP 4.4?

WP_Query con "post_title LIKE 'qualcosa%'"?

5 risposta

Utilizzo diget_posts ()

Eilparametro s?

Eilparametro title che è stato aggiunto con WP 4.4?

Using get_posts()

What about the s parameter?

What about the title parameter which was added with WP 4.4?

Eilparametro `s`?

Eilparametro `title` che è stato aggiunto con WP 4.4?

What about the `s` parameter?

What about the `title` parameter which was added with WP 4.4?