Get Instagram and Twitter Post via API

functions.php

<?php

function buildBaseString( $baseURI, $method, $params ) {

  $r = array();
  ksort( $params );
  foreach ( $params as $key=>$value ) {
    $r[] = "$key=" . rawurlencode( $value );
  }
  return $method."&" . rawurlencode( $baseURI ) . '&' . rawurlencode( implode( '&', $r ) );
}

function buildAuthorizationHeader( $oauth ) {

  $r = 'Authorization: OAuth ';
  $values = array();
  foreach ( $oauth as $key=>$value )
    $values[] = "$key=\"" . rawurlencode( $value ) . "\"";
  $r .= implode( ', ', $values );
  return $r;
}

function save_stream() {

  $url = "https://api.twitter.com/1.1/search/tweets.json";

  $oauth_access_token = "";
  $oauth_access_token_secret = "";
  $consumer_key = "";
  $consumer_secret = "";
  $hashtag = utf8_decode( 'team974' );

  $oauth = array( 'oauth_consumer_key' => $consumer_key,
    'oauth_nonce' => time(),
    'oauth_signature_method' => 'HMAC-SHA1',
    'oauth_token' => $oauth_access_token,
    'oauth_timestamp' => time(),
    'q' => $hashtag,
    'count' => 20,
    '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 => $url."?q=$hashtag&count=20",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_SSL_VERIFYPEER => false );

  $feed = curl_init();
  curl_setopt_array( $feed, $options );
  $json = curl_exec( $feed );
  curl_close( $feed );

  if ( json_decode( $json ) != null ) :

    $fp = fopen( 'wp-content/themes/twitter.txt', 'w' );
  fwrite( $fp, $json );
  fclose( $fp );

  endif;

  callInstagram();

}

function callInstagram() {

  $tag = '974';
  $client_id = "";
  $urlinsta = 'https://api.instagram.com/v1/tags/'.$tag.'/media/recent?client_id='.$client_id.'&count=20';
  $ch = curl_init();

  curl_setopt_array( $ch,

    array(

      CURLOPT_URL => $urlinsta,
      CURLOPT_RETURNTRANSFER => true,
      CURLOPT_SSL_VERIFYPEER => false,
      CURLOPT_SSL_VERIFYHOST => 2
    )

  );

  $result = curl_exec( $ch );
  curl_close( $ch );

  if ( json_decode( $result ) != null ) :

    $fp = fopen( 'wp-content/themes/instagram.txt', 'w' );
  fwrite( $fp, $result );
  fclose( $fp );

  endif;

}

function instastream() {


  $result = file_get_contents( 'wp-content/themes/instagram.txt' );

  $result = json_decode( $result, true );

  return $result['data'];

}

function lifestream() {

  $result = file_get_contents( 'wp-content/themes/twitter.txt' );

  $tweets = json_decode( $result );


  foreach ( $tweets->statuses as $status ) {

    $retweet = strpos( $status->text, 'RT @' );

    if ( $retweet === false ):

      $status->text = preg_replace( "#(^|[\n ])([\w]+?://[\w]+[^ \"\n\r\t< ]*)#", "\\1<a href=\"\\2\" >\\2</a>", $status->text );
    $status->text = preg_replace( "#(^|[\n ])((www|ftp)\.[^ \"\t\n\r< ]*)#", "\\1<a href=\"http://\\2\" >\\2</a>", $status->text );
    $status->text = preg_replace( "/@(\w+)/", "<a href=\"http://www.twitter.com/\\1\" >@\\1</a>", $status->text );
    $status->text = preg_replace( "/#(\w+)/", "<a href=\"https://twitter.com/search?q=%23\\1\" >#\\1</a>", $status->text );

    $tweet[] = array(
      'tweet' => 0,
      'text' => $status->text,
      'id' => $status->id,
      'user' => $status->user,
      'type' => $status->entities
      /* 'imgurl' => $status->entities->media->media_url */
    ) ;

    endif;
  }

  return $tweet;
}