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Debugging
=========
Logging
-------
PicoFeed log in memory the execution flow, if a feed doesn't work correctly it's easy to see what is wrong.
### Reading messages
```php
use PicoFeed\Logging\Logger;
// All messages are stored inside an Array
print_r(Logger::getMessages());
```
You will got an output like that:
```php
Array
(
[0] => Fetch URL: http://petitcodeur.fr/feed.xml
[1] => Etag:
[2] => Last-Modified:
[3] => cURL total time: 0.711378
[4] => cURL dns lookup time: 0.001064
[5] => cURL connect time: 0.100733
[6] => cURL speed download: 74825
[7] => HTTP status code: 200
[8] => HTTP headers: Set-Cookie => start=R2701971637; path=/; expires=Sat, 06-Jul-2013 05:16:33 GMT
[9] => HTTP headers: Date => Sat, 06 Jul 2013 03:55:52 GMT
[10] => HTTP headers: Content-Type => application/xml
[11] => HTTP headers: Content-Length => 53229
[12] => HTTP headers: Connection => close
[13] => HTTP headers: Server => Apache
[14] => HTTP headers: Last-Modified => Tue, 02 Jul 2013 03:26:02 GMT
[15] => HTTP headers: ETag => "393e79c-cfed-4e07ee78b2680"
[16] => HTTP headers: Accept-Ranges => bytes
....
)
```
### Remove messages
All messages are stored in memory, if you need to clear them just call the method `Logger::deleteMessages()`:
```php
Logger::deleteMessages();
```
Command line utility
====================
PicoFeed provides a basic command line tool to debug feeds quickly.
The tool is located in the root directory project.
### Usage
```bash
$ ./picofeed
Usage:
./picofeed feed <feed-url> # Parse a feed a dump the ouput on stdout
./picofeed debug <feed-url> # Display all logging messages for a feed
./picofeed item <feed-url> <item-id> # Fetch only one item
./picofeed nofilter <feed-url> <item-id> # Fetch an item but with no content filtering
```
### Example
```bash
$ ./picofeed debug https://linuxfr.org/
Exception thrown ===> "Invalid SSL certificate"
Array
(
[0] => [2014-11-08 14:04:14] PicoFeed\Client\Curl Fetch URL: https://linuxfr.org/
[1] => [2014-11-08 14:04:14] PicoFeed\Client\Curl Etag provided:
[2] => [2014-11-08 14:04:14] PicoFeed\Client\Curl Last-Modified provided:
[3] => [2014-11-08 14:04:16] PicoFeed\Client\Curl cURL total time: 1.850634
[4] => [2014-11-08 14:04:16] PicoFeed\Client\Curl cURL dns lookup time: 0.00093
[5] => [2014-11-08 14:04:16] PicoFeed\Client\Curl cURL connect time: 0.115213
[6] => [2014-11-08 14:04:16] PicoFeed\Client\Curl cURL speed download: 0
[7] => [2014-11-08 14:04:16] PicoFeed\Client\Curl cURL effective url: https://linuxfr.org/
[8] => [2014-11-08 14:04:16] PicoFeed\Client\Curl cURL error: SSL certificate problem: Invalid certificate chain
)
```
|
