using blogspot api v3 with php?

hi..
i dont use blogspot api v3 with php..
please help me..
i found php code but it is not work...
i dont know english..
for example

<?php
$arr['api_key'] = "xxx";
$arr['token_id'] = "xxx";
$arr['blog_id'] = "xxx";
$arr['tag'] = "deneme";//like: test,google,blogger
$arr['title'] = "deneme123";
$arr['content']= "haha";
 function post_in($arr){
$to['url'] = 
"https://www.googleapis.com/blogger/v3/blogs/".$arr['blog_id']."?key=".$arr['api_key'];
$to['hand'] = array("Authorization: Bearer 
".$arr['token_id'],"Content-Type: application/json");
$to['content'] = array(
"blog"=>array( "id"=>$arr['blog_id']),
"title"=>$arr['title'],
'labels'=>explode (',',$arr['tag']),
"content"=>$arr['content']
);
$to['content']=json_encode($to['content']);
$re = blogger_add($to);
$temp = json_decode($re);
return $temp->id;
}
 function blogger_add($arr){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $arr['url']);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $arr['hand']);
curl_setopt($ch, CURLOPT_POSTFIELDS ,$arr['content']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,0);
$re = curl_exec($ch);
curl_close($ch);
return $re;
}
?>

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