Search WordPress with custom field

function me_search_query( $query ) {
  if ( $query->is_search ) {
    $meta_query_args = array(
      array(
        'key' => 'your_key',
        'value' => $query->query_vars['s'],
        'compare' => 'LIKE',
      ),
    );
    $query->set('meta_query', $meta_query_args);
    add_filter( 'get_meta_sql', 'me_replace_and_with_or' );
  };
}

function me_replace_and_with_or( $sql ) {
    if ( 1 === strpos( $sql['where'], 'AND' ) ) {
        $sql['where'] = substr( $sql['where'], 4 );
        $sql['where'] = ' OR ' . $sql['where'];
    }

    //make sure that this filter will fire only once for the meta query
    remove_filter( 'get_meta_sql', 'me_replace_and_with_or' );
    return $sql;
}

add_filter( 'pre_get_posts', 'me_search_query');

Source: wordpress.stackexchange.com

Similar codes

0 vote249 views1 answer
Select all matched text phpstrom
PHP
0 vote253 views1 answer
Pass address of array in php
PHP
0 vote260 views1 answer
PHP Warning: PHP Startup: Unable to load dynamic library 'apc.so'
PHP
6 votes321 views2 answers
Findorfail laravel
PHP Laravel
0 vote313 views1 answer
Laravel weekly data
PHP Laravel
1 vote247 views1 answer
Rtl file manager laravel
PHP
1 vote286 views1 answer
Get base url in magento 2
PHP
5 votes300 views2 answers
How to make model and controller in laravel
PHP Laravel
6 votes296 views2 answers
Dump all variables twig
PHP
3 votes278 views1 answer
Collection empty laravel
PHP Laravel