/PHP/Warning: parameter 2 to search_by_title() expected to be a reference, value given inwp-includes\class-wp-hook.php on line 287

Warning: parameter 2 to search_by_title() expected to be a reference, value given inwp-includes\class-wp-hook.php on line 287

#PHP 7.1 doesn’t like & in front of $query parameters in functions.
#If the problem is due a plugin search the & and remove it

Source: wordpress.org

Warning: parameter 2 to search_by_title() expected to be a reference, value given inwp-includes\class-wp-hook.php on line 287

#Custom theme (old themes that does not support the new PHP 7.1+ version)
#PHP 7.1 doesn’t like & in front of $query parameters in functions.
#In the Themes -> <your-theme> -> functions.php -> search the code and remove the &
__search_by_title_only( $search, $wp_query ) {

Source: generatepress.com

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