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find-resource-leaks

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Detects resource leaks in PHP code. Finds unclosed file handles, database connections not released, streams not freed, missing finally blocks, temporary files not cleaned.

skills/find-resource-leaks/SKILL.md

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Aug 16, 2026
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# Resource Leak Detection

Analyze PHP code for resource leak issues.

## Detection Patterns

### 1. Unclosed File Handles

```php
// BUG: File handle not closed
$file = fopen('data.txt', 'r');
$content = fread($file, filesize('data.txt'));
// Missing: fclose($file);
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