php - Override a Wordpress parent theme function -


i creating child theme of flowmaster theme.i have problem override parent function. function exists in parent's theme:

add_filter('loop_shop_columns', 'pt_loop_shop_columns'); function pt_loop_shop_columns(){     if ( 'layout-one-col' == pt_show_layout() ) return 4;     else return 3; }

i add function in child theme

if ( ! function_exists( 'pt_loop_shop_columns' ) ) : function pt_loop_shop_columns(){     global $wp_query;     if ( 'layout-one-col' == pt_show_layout() ) return 4;     else return 4; } endif; add_filter('loop_shop_columns', 'pt_loop_shop_columns');

got error:

fatal error: cannot redeclare pt_loop_shop_columns() (previously declared in c:\xampp\htdocs\futuratab\wp-content\themes\flowmaster-child\functions.php:44) in c:\xampp\htdocs\futuratab\wp-content\themes\flowmaster\woofunctions.php on line 9

please help.thanks

function of child theme executed first , parent theme's. checking using function_exists should have been done in parent theme.

to overcome can remove parent theme's hook , hook custom function same filter.

remove_filter('loop_shop_columns', 'pt_loop_shop_columns');  add_filter('loop_shop_columns', 'custom_pt_loop_shop_columns');  function custom_pt_loop_shop_columns(){     global $wp_query;     if ( 'layout-one-col' == pt_show_layout() ) return 4;     else return 4; }

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