headers - Read For Learn

Getting headers already sent error from plugin

If you look at the source of the page you will see this around line 122: <div class=”nav-collapse collapse”> Warning: session_start() [<a href=”https://wordpress.stackexchange.com/questions/105453/function.session-start”>function.session-start</a>]: Cannot send session cookie – headers already sent by (output started at /home1/onesizeu/clients/instrumentalbackgroundmusic.com/wp-includes/functions.php:2841) in /home1/onesizeu/clients/instrumentalbackgroundmusic.com/wp-content/plugins/osu-royaltfreemusic/osu-royaltyfreemusic.php on line 225 Warning: session_start() [<a href=”https://wordpress.stackexchange.com/questions/105453/function.session-start”>function.session-start</a>]: Cannot send session cache limiter … Read more

The style.css stylesheet doesn’t contain a valid theme header

Remove the extra space from the header. Try like below: /* Theme Name: shah Theme URI: Author: shah Author URI: http://shah.gq Description: WordPress Theme Version: 1.0 */

How to set twenty fourteen header image at 100% width?

The header image is already set to 100% width by default. Check lines 571-578 in style.css of the twenty fourteen theme #site-header img { max-width: 100%; } If you need a bigger header, you’ll need to set the sizes accordingly in the code in your question, which I suppose you got from one of my … Read more

Theme option : having the ability to select among several predefined headers

So first you need customizer options. You can put this in customizer.php and include that file in your functions.php or you can just put it in functions.php directly. add_action(‘customize_register’, ‘mytheme_customize_register’); function mytheme_customize_register( $wp_customize ) { /** ———————————————————— SECTION: Header ———————————————————— **/ $wp_customize->add_section(‘section_header’, array( ‘title’ => esc_html__(‘Header’, ‘mytheme’), ‘description’ => esc_attr__( ‘Choose one of three different … Read more

Setting Last Modified HTTP Header on static Home Page

Last-Modified header for visitors on the front-page It’s useful to see how the Last-Modified header is added to the feeds, in the wp::send_header() method. If we want to be able to use is_front_page(), then the filters wp_headers or send_header are probably applied to early. We could instead use the template_redirect hook to target the front-page, … Read more

Adding custom code into header.php using a plugin

Specifically, I’d like to create a plugin to echo the following in the header immediately after the default stylesheet The preferred way is to enqueue it, with the default/main stylesheet as the dependency. Here’s a demo plugin, with the structure: + plugins/ | +–+ my-ie-style/ | +–+ my-ie-style.php | +–+ css/ | +–+ ie.css where … Read more

Wp_head and wp_footer vs wp_enqueue_script javascript files?

It looks like you’ve overlooked the 5th input parameter of: wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer ); Namely the boolean $in_footer part, that will put the script in the footer, if set as true, else in the header. You can also use $deps to handle dependencies. Check out the Codex for more info. => I … Read more

Using ob_start() in plugin

No, this is not a correct use for ob_start(). You’re getting the warning because your script is outputting code before the page headers are sent – meaning you’re printing output before the html page. Without knowing what’s going on in your // other plugin code it’s difficult to say what’s happening exactly. I would guess … Read more

Get file headers in custom file

Use get_file_data( $file, $headers ): $file_data = get_file_data( __FILE__, array ( ‘Plugin Name’ ) ); echo “the name is ” . $file_data[0]; Make sure the first parameter points to an existing file. It will find all lines that are formatted like regular plugins headers or the headers of a style.css. In my plugin T5 Opera … Read more

Force wp_enqueue_scripts to the HEADER?

The normal behavior of wp_enqueue_script is to put the script output into the head section, the parameter $in_footer is optional and defaults to false. So, you can load jQuery with your plugin into the head and, assumed your dealing with well programmed themes/plugins, it won’t load again, because wp_enqueue_script prevents this by default – additional … Read more

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