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<html>
<head>
<title>My Awesome CMS – Page Title</title>
</head>
<body>
</body>
</html>
</head>
tag. <link href=”../assets/css/style.css” type=”text/css” rel=”stylesheet”/>
<?php
tag. <div id="myfirstid"></div>
<div class="myfirstclass"></div>
<div class="myfirstclass"></div>
<div class="myfirstclass"></div>
<div class="myfirstclass"></div>
<div class="myfirstclass"></div>
#myfirstid{
Background:lightblue;
Font-family:Arial;
Font-size:44px;
Font-weight: Bold;
}
.myfirstclass{
Font-size:15px;
Color: darkblue;
}
include(‘includes/header.php’);
<divs>
we used for practice earlier, we have something better in store! include(‘includes/footer.php’);
foreach($getmydata as $mydata){ echo "Title: "; echo $mydata['title']; echo "<br/>"; echo "Content: "; echo $mydata['content']; echo "<br/>"; echo "Author: "; echo $mydata['author']; echo "<br/>"; echo "<br/>";
?>
<div id=”myfirstid”>
<?php
foreach($getmydata as $mydata){
echo "<div class=”myfirstclass”>Title: ";
echo $mydata['title'];
echo "<br/>";
echo "Content: ";
echo $mydata['content'];
echo "<br/>";
echo "Author: ";
echo $mydata['author'];
echo "</div><br/><br/>";
}?>
</div>
<?php
<?php
include('includes/header.php');
include('includes/conn.php');
if ($letsconnect -> connect_errno) { echo "Error " . $letsconnect -> connect_error;
}else{
$getmydata=$letsconnect -> query("SELECT * FROM content");
?>
<div id="myfirstid">
<?php
foreach($getmydata as $mydata){
echo "<div class=”myfirstclass”>Title: ";
echo $mydata['title'];
echo "<br/>";
echo "Content: ";
echo $mydata['content'];
echo "<br/>";
echo "Author: ";
echo $mydata['author'];
echo "</div><br/><br/>";
}
?>
</div>
<?php
}
$letsconnect -> close();
include('includes/footer.php');
?>
hasManyThrough()
for the relation Schema::create('users', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->string('email')->unique();
$table->string('password');
$table->integer('country_id')->unsigned();
$table->rememberToken();
$table->timestamps();
$table->foreign('country_id')->references('id')->on('countries')
->onDelete('cascade');
});
Schema::create('posts', function (Blueprint $table) {
$table->increments('id');
$table->string("name");
$table->integer('user_id')->unsigned();
$table->timestamps();
$table->foreign('user_id')->references('id')->on('users')
->onDelete('cascade');
});
Schema::create('countries', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->timestamps();
});
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Country extends Model
{
public function posts(){
return $this->hasManyThrough(
Post::class,
User::class,
'country_id',
'user_id',
'id',
'id'
);
}
}
$country = Country::find(1);
dd($country->posts);
morphMany()
and morphTo()
for relation.Schema::create('posts', function (Blueprint $table) {
$table->increments('id');
$table->string("name");
$table->timestamps();
});
Videos TableSchema::create('videos', function (Blueprint $table) {
$table->increments('id');
$table->string("name");
$table->timestamps();
});
Comments TableSchema::create('comments', function (Blueprint $table) {
$table->increments('id');
$table->string("body");
$table->integer('commentable_id');
$table->string("commentable_type");
$table->timestamps();
});
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Post extends Model
{
public function comments(){
return $this->morphMany(Comment::class, 'commentable');
}
}
Video Model<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Video extends Model{
public function comments(){
return $this->morphMany(Comment::class, 'commentable');
}
}
Comment Model<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Comment extends Model{
public function commentable(){
return $this->morphTo();
}
}
$post = Post::find(1);
$comment = new Comment;
$comment->body = "Hi Harikrishnan";
$post->comments()->save($comment);
$video = Video::find(1);
$comment = new Comment;
$comment->body = "Hi Harikrishnan";
$video->comments()->save($comment);
$post = Post::find(1);
dd($post->comments);
$video = Video::find(1);
dd($video->comments);
morphToMany()
and morphedByMany()
will be used for many to many polymorphic relationshipsSchema::create('posts', function (Blueprint $table) {
$table->increments('id');
$table->string("name");
$table->timestamps();
});
Videos TableSchema::create('videos', function (Blueprint $table) {
$table->increments('id');
$table->string("name");
$table->timestamps();
});
Tags tableSchema::create('tags', function (Blueprint $table) {
$table->increments('id');
$table->string("name");
$table->timestamps();
});
Taggables tableSchema::create('taggables', function (Blueprint $table) {
$table->integer("tag_id");
$table->integer("taggable_id");
$table->string("taggable_type");
});
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Post extends Model
{
public function tags(){
return $this->morphToMany(Tag::class, 'taggable');
}
}
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Video extends Model
{
public function tags(){
return $this->morphToMany(Tag::class, 'taggable');
}
}
Tag Model<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Tag extends Model
{
public function posts(){
return $this->morphedByMany(Post::class, 'taggable');
}
public function videos(){
return $this->morphedByMany(Video::class, 'taggable');
}
}
Creating Records$post = Post::find(1);
$tag = new Tag;
$tag->name = "Hi Harikrishnan";
$post->tags()->save($tag);
$video = Video::find(1);
$tag = new Tag;
$tag->name = "Vishnu";
$video->tags()->save($tag);
$post = Post::find(1);
$tag1 = new Tag;
$tag1->name = "Kerala Blasters";
$tag2 = new Tag;
$tag2->name = "Manajapadda";
$post->tags()->saveMany([$tag1, $tag2]);
$video = Video::find(1);
$tag1 = new Tag;
$tag1->name = "Kerala Blasters";
$tag2 = new Tag;
$tag2->name = "Manajappada";
$video->tags()->saveMany([$tag1, $tag2]);
$post = Post::find(1);
$tag1 = Tag::find(3);
$tag2 = Tag::find(4);
$post->tags()->attach([$tag1->id, $tag2->id]);
$video = Video::find(1);
$tag1 = Tag::find(3);
$tag2 = Tag::find(4);
$video->tags()->attach([$tag1->id, $tag2->id]);
$post = Post::find(1);
$tag1 = Tag::find(3);
$tag2 = Tag::find(4);
$post->tags()->sync([$tag1->id, $tag2->id]);
$video = Video::find(1);
$tag1 = Tag::find(3);
$tag2 = Tag::find(4);
$video->tags()->sync([$tag1->id, $tag2->id]);
$post = Post::find(1);
dd($post->tags);
$video = Video::find(1);
dd($video->tags)
$tag = Tag::find(1);
dd($tag->posts);
$tag = Tag::find(1);
dd($tag->videos);
WebSockets have compatibility with 96.5% of clients globally
OnConnection
method.OnOpen
gets called when a new connection is made.OnClose
gets called when a client quits. It's essential to keep an eye on memory management, and essential to keep tidying up as you move through the code.OnError
gets called when there is an exception faced by the user.OnMessage
gives the text of the JSON message, which is being exchanged with the client.require 'PhpKart.class.php';
$obj1 = new PhpKart("MainCart");
Maincart
is the keyname in which $obj1
insert/modify/delete the data$obj1->add_to_cart($product_id=123,$quantity=2,$product_information=array("product_name"=>"Tomato","Price"=>20));
$obj1->add_to_cart($product_id=123,$quantity=5);
$obj1->add_to_cart($product_id=145,$quantity=3,$product_information=array("product_name"=>"Potato","Price"=>30));
$already_exists=$obj1->AlreadyExists($product_id=145);
if($already_exists !== false )
{
print_r($already_exists);
}
$obj1->remove_from_cart($product_id=145);
print_r( $obj1->getAllItems() );
echo $obj1->getTotalItems();
echo $obj1->getCartTotalAmount($priceKeyName='Price')
$obj1->clear_cart();
$obj2=new PhpKart("MyWishlist");
$obj2->add_to_cart($product_id=159,$quantity=8,$product_information=array("product_name"=>"Baby Toy","Price"=>100));
echo $obj2->getCartTotalAmount("Price");
<?php
if(!session_id()){
@session_start();
}
class PhpKart{
private $cart_key;
public function __construct($CartkeyName)
{
$this->cart_key=$CartkeyName;
}
public function add_to_cart($product_id,$quantity='1',$product_information=array())
{
$_SESSION[$this->cart_key][$product_id]['product_id']=$product_id;
$_SESSION[$this->cart_key][$product_id]['quantity']=$quantity;
if(!isset($_SESSION[$this->cart_key][$product_id]['product_information']) && !empty($product_information)){
$_SESSION[$this->cart_key][$product_id]['product_information']=$product_information;
}
}
public function remove_from_cart($product_id)
{
unset($_SESSION[$this->cart_key][$product_id]);
}
public function clear_cart()
{
unset($_SESSION[$this->cart_key]);
}
public function getTotalItems()
{
return count($_SESSION[$this->cart_key]);
}
public function getCartTotalAmount($price_key_name)
{
$total=0;
foreach($_SESSION[$this->cart_key] as $row)
{
$total += ($row['product_information'][$price_key_name]*$row['quantity']);
}
return $total;
}
public function AlreadyExists($product_id)
{
if (isset($_SESSION[$this->cart_key][$product_id]))
{
return $_SESSION[$this->cart_key][$product_id];
}
else
{
return false;
}
}
public function getAllItems()
{
return $_SESSION[$this->cart_key];
}
}
?>
Your biggest asset is also your biggest risk... your developers