php - How can I find out why a WordPress theme breaks my website? -


i got theme on wordpress , when setting theme tried use twitter functionality, although part of code me embed 1 of tweets page break website.

all of api tokens have been added previous sections of code well, makes me think wrong , there syntax error.

 <?php             function buildbasestring($baseuri, $method, $params) {                 $r = array();                 ksort($params);                 foreach($params $key=>$value){                     $r[] = "$key=" . rawurlencode($value);                 }                 return $method."&" . rawurlencode($baseuri) . '&' . rawurlencode(implode('&', $r));             }              function buildauthorizationheader($oauth) {                 $r = 'authorization: oauth ';                 $values = array();                 foreach($oauth $key=>$value)                     $values[] = "$key=\"" . rawurlencode($value) . "\"";                 $r .= implode(', ', $values);                 return $r;             }              $url = "https://api.twitter.com/1.1/statuses/user_timeline.json";              $oauth_access_token = $tweet_token;             $oauth_access_token_secret = $tweet_token_secret;             $consumer_key = $tweet_key;             $consumer_secret = $tweet_key_secret;              $oauth = array( 'screen_name' => $tweet_user,                             'count' => 1,                             'oauth_consumer_key' => $consumer_key,                             'oauth_nonce' => time(),                             'oauth_signature_method' => 'hmac-sha1',                             'oauth_token' => $oauth_access_token,                             'oauth_timestamp' => time(),                             'oauth_version' => '1.0');              $base_info = buildbasestring($url, 'get', $oauth);             $composite_key = rawurlencode($consumer_secret) . '&' . rawurlencode($oauth_access_token_secret);             $oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true));             $oauth['oauth_signature'] = $oauth_signature;              // make requests             $header = array(buildauthorizationheader($oauth), 'expect:');             $options = array( curlopt_httpheader => $header,                               //curlopt_postfields => $postfields,                               curlopt_header => false,                               curlopt_url => $url . '?screen_name='.$tweet_user.'&count=1',                                curlopt_returntransfer => true,                               curlopt_ssl_verifypeer => false);              $feed = curl_init();             curl_setopt_array($feed, $options);             $json = curl_exec($feed);             curl_close($feed);              $twitter_data = json_decode($json);              $out ='<ul id="twitter">';              foreach ($twitter_data $key=>$value) {             $regex = '@((https?://)?([-\w]+\.[-\w\.]+)+\w(:\d+)?(/([-\w/_\.\,]*(\?\s+)?)?)*)@';             $text  = $value->text;             $text  = preg_replace('@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\./-]*(\?\s+)?)?)?)@', '<a target="blank" title="$1" href="$1">$1</a>', $text);             $text  = preg_replace('/#([0-9a-za-z_-]+)/', "<a target='blank' title='$1' href=\"http://twitter.com/search?q=$1\">#$1</a>",  $text);             $text  = preg_replace("/@([0-9a-za-z_-]+)/", "<a target='blank' title='$1' href=\"http://twitter.com/$1\">@$1</a>", $text);              $out  .='<li>' . $text . '</li>';              };              $out  .='</ul>';              echo $out;      ?> 


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