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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);
<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');
?>
We highly recommend that you follow these tutorials on a localhost testing server like Uniserver. Read through Part 1 here to look at our recommendations. These tutorials follow a phased approach and it is highly recommended that you do not make snippets of code live prior to completing this tutorial series.
$sql = "INSERT INTO content(title,content,author)VALUES ('".$_POST["title"]."', '".$_POST["content"]."', '".$_POST["author"]."')";
$title = $letsconnect -> real_escape_string($_POST['title']);
$content = $letsconnect -> real_escape_string($_POST['content']);
$author = $letsconnect -> real_escape_string($_POST['author']);
$letsconnect
? This was used because of our db connection defined in conn.php.$sql = "INSERT INTO content (title,content,author) VALUES ('".$title."', '".$content."', '".$author."')";
$sql
.