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codexpower

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Posts posted by codexpower

    Basic Word pres syntax help Needed

    in Third Party Scripts

    Posted

    i am a beginner and learning wordpress. Codex is not for beginners the information there is in the form of notes, something that is very difficult to be grasped for any beginner.

     

    I have few question, This is from header.php - 

    <!DOCTYPE html>
<html <?php language_attributes(); ?>>
	<head>
		<meta charset="<?php bloginfo('charset'); ?>">
		<meta name="viewport" content="width=device-width">
		<title><?php bloginfo('name'); ?></title>
		<?php wp_head(); ?>
	</head>
	
<body <?php body_class(); ?>>
	
	<div class="container">
	
		<!-- site-header -->
		<header class="site-header">
			<h1><a href="<?php echo home_url(); ?>"><?php bloginfo('name'); ?></a></h1>
			<h5><?php bloginfo('description'); ?></h5>
		</header><!-- /site-header -->

    Why is this part used twice - 

    <?php bloginfo('name'); ?>

     

    First in head section - 

    <title><?php bloginfo('name'); ?></title>

     

    then in Body - 

    <h1><a href="<?php echo home_url(); ?>"><?php bloginfo('name'); ?></a></h1>

    Wordpress and PHP

    in Applications

    Posted

    I found a very beautiful tutorials on tuts - 

    http://code.tutsplus.com/tutorials/creating-your-own-widgets-using-various-wordpress-apis-introduction--cms-22460

    <?php
class TutsPlusText_Widget extends WP_Widget {
     
  // widget constructor
  public function __construct(){
     
  }
    
  public function widget( $args, $instance ) {
    // outputs the content of the widget
  }
    
  public function form( $instance ) {
    // creates the back-end form
  }
    
  // Updating widget replacing old instances with new
  public function update( $new_instance, $old_instance ) {
    // processes widget options on save
  }
   
}

    But they have not clarified that where will this go. I mean in which file. I believe it should be themes functions.php. Can some one comment Please?

    Is isset different in wordpress

    in Applications

    Posted

    What I remember from my college days is that isset check whether the variable has a value set or not and return true or false value.

     

    However I encountered a code in wordpress - 

    // Set up the content width value based on the theme's design and stylesheet.
    if ( ! isset( $content_width ) )
    $content_width = 625;
     
     
    Here why is this sign used !
     
    This sign is actually not equal to, Right?
     

    Wordpress and PHP

    in Applications

    Posted

    First and foremost, add_action() and add_filter() are WordPress hook functions - they're specialized global functions that allow the developer to inject a custom function into the core functionality at specific points. So, in your case, at the point that the WordPress core calls after_switch_themes, it will call the user-defined function after_switch_theme_example(). This, by the way, a simplified explanation...

     

    Keep in mind as you're learning: WordPress - from a modern programming point of view - it's really not very well written. The reliance on global variables and functions, and some of the ways in which what classes there are are used is just backwards and old-fashioned. From an end-user point of view, it's great - it allows you to do a lot of things for very little effort. However, it can become rather frustrating quickly as you develop for it. And as far as PHP books and tutorials go, there's a literal ton of them out there but you need to be a little careful because a lot of them are old and PHP has changed a lot in the last several years. If you see a lot of $_REQUEST variables, the keyword global, or any kind of hashing using md5, just assume it's out of date and won't be of much practical help to you. I don't know of any good beginner tutorials or books right off the top of my head, but hopefully someone can kick in with an example or two for you.

    @maxxd,

     

    Thanks Boss that was awesome and very helpful to me.

    PHP Functions books

    in Miscellaneous

    Posted

    I know some basic PHP from my college. I wanted to learn WordPress, but before jumping into wordpress I think I should expertise PHP functions and arrays because that what mostly used in WordPress. 

     

    Can you recommend me some books/resources where advanced level PHP functions and arrays are discussed. Main Focus is PHP Functions, advanced level.

    Wordpress and PHP

    in Applications

    Posted

    Looking the wordpress function up in the wordpress docs might be helpful.

    I have learned some PHP in college. i think before jumping into wordpress I must master functions and array. I know basic, Can you recommend some books where functions and arrays are discussed in details at advanced level.

    Wordpress and PHP

    in Applications

    Posted

    Yes, yes it is...

     

    @codexpower - the biggest thing is that WordPress is huge, and asking for tutorials on how to <airquotes>program for it</airquotes> really isn't the way to go. If you've got a specific issue with a theme or plugin you're currently using that you want to fix or improve upon, start by working on just that issue. Basically, give yourself a project and set yourself a goal, then use PHP.net, the WP codex, and the many tutorials on the web to work towards that goal. When you get stuck, then ask a specific question here.

     

    We're all more than willing to help, but we need to know what we're helping with, you know?

     

     

    Lets say this is a small function - 

     

    <?php
     
    add_action( 'after_switch_theme', 'after_switch_theme_example' );
     
    function after_switch_theme_example() {
        flush_rewrite_rules();
    }
     
    ?>
     
    Please help me to under these functions more clearly.
     
    In think this is not a function -
    add_action( 'after_switch_theme', 'after_switch_theme_example' );
     
    The two things in blue are some kind of parameters.

    Wordpress and PHP

    in Applications

    Posted · Edited by codexpower

     

     

    Actually Buddy I visited those WordPress Codex links, but the problem is it not easy for a beginner to learn directly from wordpress codex. If some video exists explaining those things that may help.

     

    I was willing to go with lynda.com, but there is no money back. what If I do not find what I am looking for. Your help is appreciated and will be further appreciated.

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