Running PHP code inside template

We do not wanted to use eval, so php code execution is not possible inside Template.

However, there is alternatives. You can add a shortcode to solve your needs. Shortcode return value can be dynamic.

To register a new shortcode for W4 Post list, use w4pl/get_shortcodes filters.

add_filter('w4pl/get_shortcodes', 'w4pl_extra_shortcode', 30);
function w4pl_extra_shortcode( $s ){
	$s['myDynamicField'] = array(
		'group' 	=> 'Post',
		'callback' 	=> 'myDynamicFieldAction',
		'desc' 		=> ''
	);
	return $s;
}

• myDynamicField: This is the name of the shortcode that you will use on Template field. Like [myDynamicField]
• group: this is where it will be visible on template group. not important
• callback: required. A php callback function name, Or a public static class method name. Which will be used to replace the content of the shortcode.
• desc: textual description of the shortcode, it’s displayed on the Documentation page.

The following function is similar to WP’s basic shortcode callback function.

function myDynamicFieldAction( $attrs, $content ){
	$return = '';
	$return .= 'Good ';
	if( date('h') > 5 && date('h') < 11 ){
		$return .= 'Morning';
	}
	elseif( date('h') < 17 ){
		$return .= 'Afternoon';
	}
	elseif( date('h') < 20 ){
		$return .= 'Evening';
	}
	elseif( date('h') < 20 ){
		$return .= 'Night';
	}
	return $return;
}

Hope this helps.

if you want to manage the output of for example the group title, you need to call the w4pl-object via a third parameter in your function:

function myDynamicFieldAction( $attrs, $content, $list ){
	$string = "";
	$title = "";
	if(isset($list->current_group)){
		$title=$list->current_group['title'];
	}
	else{
			$title="";
	}
	$string = substr($title,-2).".".substr($title,5,2).".".substr($title,0,4);	

	return $string;
}