woocommerce_before_main_content is not a filter hook, it’s an action hook, so don’t expect it to return something, because nothing cares about what an action hook callback function returns, whereas for filters hooks, you will always see something waiting for the returned result: // Action hook do_action(‘foo_action’); // Filter hook $bar = apply_filters(‘foo_filter’); woocommerce_before_main_content That action … Read more
Adding this to my function.php file in the child theme folder did it for me: add_action( ‘wp_enqueue_scripts’, ‘my_strength_meter_localize_script’ ); function my_strength_meter_localize_script() { wp_localize_script( ‘password-strength-meter’, ‘pwsL10n’, array( ’empty’ => __( ‘But… it\’s empty!’, ‘theme-domain’ ), ‘short’ => __( ‘Too short!’, ‘theme-domain’ ), ‘bad’ => __( ‘Not even close!’, ‘theme-domain’ ), ‘good’ => __( ‘You are getting … Read more
Found solution here, to use in_the_loop() (but read comment below my answer too): add_filter( ‘the_content’, ‘custom_content’ ); function custom_content( $content ) { if ( in_the_loop() ) { // …. } return $content; }
If instead of modifying functions.php you can modify wp-config.php, you can use the following: define(‘WP_HOME’,’http://example.com’); define(‘WP_SITEURL’,’http://example.com’); Source: https://codex.wordpress.org/Changing_The_Site_URL#Edit_wp-config.php
In recent versions of WordPress (5.0.1 or higher) file upload security has been tightened by actually checking the content of an uploaded file using the PHP function finfo_file() to determine if the file extension matches the MIME type. This has proven problematic since files with the same file type and extension may yield different MIME … Read more
+1 to both of the other answers, for explaining the primary differences between actions and filters. However, to answer your specific question, about which to use for modifying a query: Injecting your custom query into the template does, as you guessed, require hooking into an existing action. (Whether or not wp_footer is the correct/ideal action … Read more
The “(more…)” link gets filtered through the_content_more_link in get_the_content(). You can hook into this function and let it return whatever you want. add_filter(‘the_content_more_link’, ‘more_button’); function more_button($more_link) { return ‘<button class=”readmorebtn” onclick=”‘ . esc_attr(‘window.location=”‘ . get_permalink() . ‘”‘) . ‘”>Read more</button>’; }
Know which file call a filter or an action is not possible running code, you have to search and read the source code or use some documentation. There are different plugins that help you to debug the hook being fired in a page, search codex and/or Google for them. However, to have a quick idea, … Read more
The CSS code you’re seeing is added by core of WP when admin bar is showing. The function that outputs it is called _admin_bar_bump_cb() and it’s called as hook on wp_head. So how to get rid of it? Just remove this action from that hook: function remove_admin_bar_bump() { remove_action( ‘wp_head’, ‘_admin_bar_bump_cb’ ); } add_action(‘get_header’, ‘remove_admin_bar_bump’); … Read more
First, a note on how the filter functions work. If a developer has something that they want to filter/let others filter, then they apply any filters they/others have to it by calling apply_filters(). If you have a certain function that you want to filter something with, you add your function to that filter hook with … Read more