{"action":"opened","issue":{"url":"https://api.github.com/repos/Mashape/unirest-php/issues/73","labels_url":"https://api.github.com/repos/Mashape/unirest-php/issues/73/labels{/name}","comments_url":"https://api.github.com/repos/Mashape/unirest-php/issues/73/comments","events_url":"https://api.github.com/repos/Mashape/unirest-php/issues/73/events","html_url":"https://github.com/Mashape/unirest-php/issues/73","id":57853285,"number":73,"title":"PHP 5.3.x support","user":{"login":"aleross","id":1857007,"avatar_url":"https://avatars.githubusercontent.com/u/1857007?v=3","gravatar_id":"","url":"https://api.github.com/users/aleross","html_url":"https://github.com/aleross","followers_url":"https://api.github.com/users/aleross/followers","following_url":"https://api.github.com/users/aleross/following{/other_user}","gists_url":"https://api.github.com/users/aleross/gists{/gist_id}","starred_url":"https://api.github.com/users/aleross/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aleross/subscriptions","organizations_url":"https://api.github.com/users/aleross/orgs","repos_url":"https://api.github.com/users/aleross/repos","events_url":"https://api.github.com/users/aleross/events{/privacy}","received_events_url":"https://api.github.com/users/aleross/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-02-16T21:30:02Z","updated_at":"2015-02-16T21:30:02Z","closed_at":null,"body":"Hi,\r\n\r\nI installed Unirest from source. Is there no way to use it with PHP 5.3.x? I noticed Request:426 calls `hex2bin()`, which is missing from PHP 5.3.x. Are there other incompatibilities with 5.3.x? It would be nice if the PHP version requirement were made clearer on the README.md.\r\n\r\nThank you"}}