Laravel Memory Limit Error Fix: Allowed Memory Size Exhausted 

The Laravel memory limit error is one of the most frustrating issues developers face in production.

Common error:

Allowed memory size exhausted

This usually happens during:

• Large queries
• File processing
• Queue jobs

Why Laravel Memory Limit Error Happen

The Laravel memory limit error occurs when PHP exceeds the allocated memory.

Common causes:

• Heavy collections
• Infinite loops
• Large imports

Step 1: Increase PHP Memory Limit

Edit:

memory_limit = 512M

Step 2: Optimize Queries

Avoid:

User::all();

Use:

User::chunk(100, function ($users) {
//
});

Reduces memory usage

Step 3: Use Lazy Collections

User::cursor();

Loads data efficiently

My Insight

Most Laravel memory limit error problems are caused by:

Loading too much data at once

To fix the Laravel memory limit error:

✔ Increase memory limit
✔ Optimize queries
✔ Use chunking
✔ Use cursor/lazy loading

If your app is also slow, read our guide on Laravel performance optimization.

• Laravel performance optimization
• Laravel app is slow in production