Add comprehensive PHP proxy examples

[proxymeshai]

Summary

• Adds proxy usage examples for 6 popular PHP HTTP libraries
• Creates composer.json with all dependencies
• Adds test runner script (run_tests.php) with CLI options
• Updates README with PHP documentation section

Libraries Covered

Library	File	Description
cURL	curl_proxy.php	PHP's built-in HTTP client
Guzzle	guzzle_proxy.php	Most popular PHP HTTP client
Symfony HttpClient	symfony_http_client_proxy.php	Modern PSR-18 client
Buzz	buzz_proxy.php	Simple PSR-18 client
PHP Streams	streams_proxy.php	Built-in streams (file_get_contents)
Amp HTTP	amphp_proxy.php	Async HTTP client

Usage

cd php
composer install
export PROXY_URL='http://user:pass@proxy:8080'
php run_tests.php

Test plan

• Verify all examples work with a proxy server
• Test run_tests.php script options (-v, -l, -h)
• Confirm README renders correctly

Made with Cursor

[proxymesh]

cursor review verbose=true

[cursor]

Bugbot request id: serverGenReqId_09e03a60-f6be-42c8-8ea0-5ccc7cd634b7