Laravel Workflow

Last modified on: September 2, 2025

<h1 data-start="152" data-end="189">⚡ Laravel Workflow &ndash; Step by Step</h1>
<p data-start="191" data-end="340">Laravel follows a structured <strong data-start="220" data-end="252">request &rarr; process &rarr; response</strong> cycle. Understanding this will help you debug better and build apps more efficiently.</p>
<hr data-start="342" data-end="345" />
<h2 data-start="653" data-end="673">🌟 Introduction</h2>
<p data-start="675" data-end="738">When a user opens your Laravel app in a browser, for example:</p>
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<pre class="language-php"><code>http://127.0.0.1:8000/posts</code></pre>
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<p data-start="779" data-end="862">A lot of things happen <strong data-start="802" data-end="823">behind the scenes</strong> before Laravel returns the response.</p>
<p data-start="864" data-end="926">This is called the <strong data-start="883" data-end="923">Laravel Request Lifecycle (Workflow)</strong>.</p>
<p data-start="928" data-end="963">Let&rsquo;s break it down step by step.</p>
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<h2 data-start="970" data-end="1000">🔹 Laravel Workflow Steps</h2>
<h3 data-start="1002" data-end="1051">1. <strong data-start="1009" data-end="1049">Browser Request &rarr; <code data-start="1029" data-end="1047">public/index.php</code></strong></h3>
<ul data-start="1052" data-end="1159">
<li data-start="1052" data-end="1097">
<p data-start="1054" data-end="1097">All requests start at <code data-start="1076" data-end="1094">public/index.php</code>.</p>
</li>
<li data-start="1098" data-end="1159">
<p data-start="1100" data-end="1159">This file loads Composer autoload and bootstraps Laravel.</p>
</li>
</ul>
<p data-start="1161" data-end="1174">👉 Example:</p>
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<pre class="language-php"><code>require __DIR__.'/../vendor/autoload.php';
$app = require_once __DIR__.'/../bootstrap/app.php';</code></pre>
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<h3 data-start="1288" data-end="1319">2. <strong data-start="1295" data-end="1317">Bootstrap / Kernel</strong></h3>
<ul data-start="1320" data-end="1473">
<li data-start="1320" data-end="1393">
<p data-start="1322" data-end="1393">The request is passed to the <strong data-start="1351" data-end="1366">HTTP Kernel</strong> (<code data-start="1368" data-end="1389">app/Http/Kernel.php</code>).</p>
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<li data-start="1394" data-end="1473">
<p data-start="1396" data-end="1419">The Kernel registers:</p>
<ul data-start="1422" data-end="1473">
<li data-start="1422" data-end="1443">
<p data-start="1424" data-end="1443">Service Providers</p>
</li>
<li data-start="1446" data-end="1460">
<p data-start="1448" data-end="1460">Middleware</p>
</li>
<li data-start="1463" data-end="1473">
<p data-start="1465" data-end="1473">Routes</p>
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</ul>
</li>
</ul>
<p data-start="1475" data-end="1537">👉 Think of Kernel as the <strong data-start="1501" data-end="1523">traffic controller</strong> of Laravel.</p>
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<h3 data-start="1544" data-end="1573">3. <strong data-start="1551" data-end="1571">Middleware Layer</strong></h3>
<p data-start="1574" data-end="1630">Middleware sits between the request and the app logic.</p>
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<li data-start="1631" data-end="1690">
<p data-start="1633" data-end="1690">Example: Check if user is logged in, verify CSRF token.</p>
</li>
</ul>
<p data-start="1692" data-end="1747">👉 Example in <code data-start="1706" data-end="1744">app/Http/Middleware/Authenticate.php</code>:</p>
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<pre class="language-php"><code>if (! $request-&gt;user()) {
    return redirect('/login');
}</code></pre>
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<h3 data-start="1824" data-end="1843">4. <strong data-start="1831" data-end="1841">Routes</strong></h3>
<p data-start="1844" data-end="1927">Once middleware passes, Laravel checks your <code data-start="1888" data-end="1904">routes/web.php</code> or <code data-start="1908" data-end="1924">routes/api.php</code>.</p>
<p data-start="1929" data-end="1942">👉 Example:</p>
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<pre class="language-php"><code>Route::get('/posts', [PostController::class, 'index']);</code></pre>
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<h3 data-start="2016" data-end="2039">5. <strong data-start="2023" data-end="2037">Controller</strong></h3>
<p data-start="2040" data-end="2112">The route calls the controller method.<br data-start="2078" data-end="2081" />Example <code data-start="2089" data-end="2109">PostController.php</code>:</p>
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<pre class="language-php"><code>public function index() {
    $posts = Post::all();
    return view('posts.index', compact('posts'));
}</code></pre>
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<h3 data-start="2234" data-end="2278">6. <strong data-start="2241" data-end="2276">Model &amp; Database (Eloquent ORM)</strong></h3>
<ul data-start="2279" data-end="2372">
<li data-start="2279" data-end="2317">
<p data-start="2281" data-end="2317">Controller talks to the <strong data-start="2305" data-end="2314">Model</strong>.</p>
</li>
<li data-start="2318" data-end="2372">
<p data-start="2320" data-end="2372">Model fetches data from DB using <strong data-start="2353" data-end="2369">Eloquent ORM</strong>.</p>
</li>
</ul>
<p data-start="2374" data-end="2401">👉 Example in <code data-start="2388" data-end="2398">Post.php</code>:</p>
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<pre class="language-php"><code>$posts = Post::where('status', 'published')-&gt;get();</code></pre>
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<h3 data-start="2471" data-end="2505">7. <strong data-start="2478" data-end="2503">View (Blade Template)</strong></h3>
<p data-start="2506" data-end="2561">The data is passed to a <strong data-start="2530" data-end="2544">Blade view</strong> for rendering.</p>
<p data-start="2563" data-end="2613">Example <code data-start="2571" data-end="2610">resources/views/posts/index.blade.php</code>:</p>
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<pre class="language-php"><code>&lt;h1&gt;All Posts&lt;/h1&gt;
@foreach($posts as $post)
    &lt;p&gt;{{ $post-&gt;title }}&lt;/p&gt;
@endforeach</code></pre>
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<h3 data-start="2720" data-end="2752">8. <strong data-start="2727" data-end="2750">Response to Browser</strong></h3>
<p data-start="2753" data-end="2840">Finally, Laravel returns an HTTP <strong data-start="2786" data-end="2798">response</strong> (HTML, JSON, etc.) back to the browser.</p>
<hr data-start="2842" data-end="2845" />
<h2 data-start="2847" data-end="2879">🔹 Laravel Workflow Diagram</h2>
<p data-start="2881" data-end="2908">The flow looks like this:</p>
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<pre class="language-php"><code>Browser Request  
   &darr;  
public/index.php  
   &darr;  
HTTP Kernel  
   &darr;  
Middleware  
   &darr;  
Routes (web.php / api.php)  
   &darr;  
Controller  
   &darr;  
Model (Database via Eloquent)  
   &darr;  
View (Blade)  
   &darr;  
Response to Browser  
</code></pre>
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<h2 data-start="3155" data-end="3189">🔹 Example Workflow in Action</h2>
<p data-start="3191" data-end="3217">👉 User visits: <code data-start="3207" data-end="3215">/posts</code></p>
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<li data-start="3219" data-end="3252">
<p data-start="3222" data-end="3252">Request &rarr; <code data-start="3232" data-end="3250">public/index.php</code></p>
</li>
<li data-start="3253" data-end="3293">
<p data-start="3256" data-end="3293">Kernel loads providers &amp; middleware</p>
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<li data-start="3294" data-end="3334">
<p data-start="3297" data-end="3334">Route <code data-start="3303" data-end="3311">/posts</code> matches in <code data-start="3323" data-end="3332">web.php</code></p>
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<p data-start="3338" data-end="3368">Calls <code data-start="3344" data-end="3366">PostController@index</code></p>
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<li data-start="3369" data-end="3407">
<p data-start="3372" data-end="3407"><code data-start="3372" data-end="3378">Post</code> model fetches data from DB</p>
</li>
<li data-start="3408" data-end="3449">
<p data-start="3411" data-end="3449">View <code data-start="3416" data-end="3439">posts/index.blade.php</code> renders</p>
</li>
<li data-start="3450" data-end="3484">
<p data-start="3453" data-end="3484">Response sent back to browser</p>
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<h2 data-start="3491" data-end="3533">🔹 Why Understanding Workflow Matters</h2>
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<li data-start="3535" data-end="3626">
<p data-start="3537" data-end="3626"><strong data-start="3537" data-end="3550">Debugging</strong> &ndash; You know where errors occur (routes, middleware, controller, DB, view).</p>
</li>
<li data-start="3627" data-end="3690">
<p data-start="3629" data-end="3690"><strong data-start="3629" data-end="3644">Performance</strong> &ndash; You can cache configs, routes, and views.</p>
</li>
<li data-start="3691" data-end="3743">
<p data-start="3693" data-end="3743"><strong data-start="3693" data-end="3705">Security</strong> &ndash; Middleware ensures safe requests.</p>
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<li data-start="3744" data-end="3797">
<p data-start="3746" data-end="3797"><strong data-start="3746" data-end="3761">Scalability</strong> &ndash; Easier to structure large apps.</p>
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<h2 data-start="3804" data-end="3821">✅ Conclusion</h2>
<p data-start="3823" data-end="3924">Laravel workflow is the <strong data-start="3847" data-end="3879">backbone of your application</strong>. It follows a clean and predictable cycle:</p>
<p data-start="3926" data-end="4009"><strong data-start="3926" data-end="4007">Request &rarr; Kernel &rarr; Middleware &rarr; Route &rarr; Controller &rarr; Model &rarr; View &rarr; Response.</strong></p>
<p data-start="4011" data-end="4112">By understanding this, you can write cleaner, more optimized, and bug-free Laravel applications. 🚀</p>

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