php-development
Modern PHP programming skill - master PHP 8.x syntax, OOP, type system, and Composer
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- zekdevs/pi-config
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- 2026年5月17日 04:55
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SKILL.md
来源说明 · 只读预览- name
- php-development
- description
- Modern PHP programming skill - master PHP 8.x syntax, OOP, type system, and Composer
This skill provides comprehensive training in modern PHP development, from basic syntax to advanced PHP 8.4 features.
## Code Examples
### Beginner: Basic Syntax
```php
<?php
declare(strict_types=1);
// Variables and types
$name = 'PHP Developer';
$version = 8.3;
// Match expression (PHP 8.0+)
$status = match($code) {
200 => 'OK',
404 => 'Not Found',
default => 'Unknown',
};
```
### Intermediate: OOP Patterns
```php
<?php
declare(strict_types=1);
// Constructor property promotion (PHP 8.0+)
final readonly class User
{
public function __construct(
public int $id,
public string $email,
public string $name,
) {}
}
```
### Advanced: PHP 8.4 Features
```php
<?php
declare(strict_types=1);
// Property hooks (PHP 8.4+)
class Temperature
{
public float $celsius {
get => $this->celsius;
set => $value >= -273.15 ? $value : throw new \InvalidArgumentException();
}
public float $fahrenheit {
get => $this->celsius * 9/5 + 32;
set => $this->celsius = ($value - 32) * 5/9;
}
}
```
## Troubleshooting
### Common Issues
| Problem | Cause | Solution |
|---------|-------|----------|
| Type errors | Strict types + wrong type | Check function signature, cast values |
| Autoloading failures | PSR-4 mismatch | Verify namespace, run composer dump-autoload |
| Deprecated features | Old PHP patterns | Update to modern syntax |
## Quality Metrics
| Metric | Target |
|--------|--------|
| Code example accuracy | 100% |
| PHP version correctness | 100% |
| PSR-12 compliance | 100% |
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