twitter-api.php

<?php
$option = getopt('k:c');
$keyword = $option['k'];
$count = $option['c'];
if(!$keyword) {
	echo '[TwitterAPI Error]search keyword is required.';
	die();
}
if(!$count) {
	echo '[TwitterAPI Error]count is required.';
	die();
}
$OAUTH_CONSUMER_KEY = "＊＊＊";	
$OAUTH_SECRET = '＊＊＊';	
$OAUTH_TOKEN = "＊＊＊";
$OAUTH_TOKEN_SECRET = '＊＊＊';	
$OAUTH_VERSION = "1.0";
$OAUTH_SIGNATURE_METHOD = "HMAC-SHA1";
$TWITTER_API_URL = 'https://api.twitter.com/1.1/search/tweets.json';	
$REQUEST_COUNT = $count; 	
$REQUEST_METHOD = 'GET' ;
//検索するキーワードの設定
$SEARCH_KEYWORD = $keyword; 
$oauth_signature_key = rawurlencode($OAUTH_SECRET) . '&' . rawurlencode($OAUTH_TOKEN_SECRET) ;
$oauth_nonce = microtime();
$oauth_timestamp = time();
$oauth_signature_param = 'count=' . $REQUEST_COUNT . 
'&oauth_consumer_key=' . $OAUTH_CONSUMER_KEY . 
'&oauth_nonce='.rawurlencode($oauth_nonce) . 
'&oauth_signature_method='. $OAUTH_SIGNATURE_METHOD . 
'&oauth_timestamp=' . $oauth_timestamp . 
'&oauth_token=' . $OAUTH_TOKEN . 
'&oauth_version=' . $OAUTH_VERSION . 
'&q=' . rawurlencode($SEARCH_KEYWORD);
// データ部分の作成
$oauth_signature_date = rawurlencode($REQUEST_METHOD) . '&' . rawurlencode($TWITTER_API_URL) . '&' . rawurlencode($oauth_signature_param); 	
$oauth_signature_hash = hash_hmac( 'sha1' , $oauth_signature_date , $oauth_signature_key , TRUE ) ;
$oauth_signature = base64_encode( $oauth_signature_hash );
$req_oauth_header = array("Authorization: OAuth " . 'count=' . rawurlencode($REQUEST_COUNT) . 
',oauth_consumer_key=' . rawurlencode($OAUTH_CONSUMER_KEY) . 
',oauth_nonce='.str_replace(" ","+",$oauth_nonce) . 
',oauth_signature_method='. rawurlencode($OAUTH_SIGNATURE_METHOD) . 
',oauth_timestamp=' . rawurlencode($oauth_timestamp) . 
',oauth_token=' . rawurlencode($OAUTH_TOKEN) . 
',oauth_version=' . rawurlencode($OAUTH_VERSION) . 
',q=' . rawurlencode($SEARCH_KEYWORD) . 
',oauth_signature='.rawurlencode($oauth_signature));
$TWITTER_API_URL .= '?q=' . rawurlencode($SEARCH_KEYWORD) . '&count=' . rawurlencode($REQUEST_COUNT);
$curl = curl_init() ;
curl_setopt( $curl , CURLOPT_URL , $TWITTER_API_URL ) ; 
curl_setopt( $curl , CURLOPT_HEADER, false ) ; 
curl_setopt( $curl , CURLOPT_CUSTOMREQUEST , $REQUEST_METHOD ) ;	
curl_setopt( $curl , CURLOPT_SSL_VERIFYPEER , false ) ;	
curl_setopt( $curl , CURLOPT_RETURNTRANSFER , true ) ;	
curl_setopt( $curl , CURLOPT_HTTPHEADER , $req_oauth_header ) ;	
curl_setopt( $curl , CURLOPT_TIMEOUT , 5 ) ;	
$res_str = curl_exec( $curl ) ;
curl_close( $curl ) ;
$res_str_arr = json_decode($res_str, ture) ;	
foreach ($res_str_arr['statuses'] as $twit_result){
	$twit_content = $twit_result['text'];
	$twit_time = date("Y-m-d H:i:s",strtotime($twit_result['created_at']));
	echo $twit_content." | ".$twit_time.PHP_EOL ;
}