HTTPS コンテンツの取得とエラー処理のための PHP メソッドのサンプル コード

<?php
$data = file_get_contents("/http://blog.it985.com/");
?>

PHP Warning: file_get_contents(): Unable to find the wrapper “https” – did you forget to enable it when you configured PHP?

<?php
$w = stream_get_wrappers();
echo &#39;openssl: &#39;, extension_loaded (&#39;openssl&#39;) ? &#39;yes&#39;:&#39;no&#39;, "\n";
echo &#39;http wrapper: &#39;, in_array(&#39;http&#39;, $w) ? &#39;yes&#39;:&#39;no&#39;, "\n";
echo &#39;https wrapper: &#39;, in_array(&#39;https&#39;, $w) ? &#39;yes&#39;:&#39;no&#39;, "\n";
echo &#39;wrappers: &#39;, var_dump($w);

<?php
openssl: no
http wrapper: yes
https wrapper: no
wrappers: array(10) {
[0]=>
string(3) "php"
[1]=>
string(4) "file"
[2]=>
string(4) "glob"
[3]=>
string(4) "data"
[4]=>
string(4) "http"
[5]=>
string(3) "ftp"
[6]=>
string(3) "zip"
[7]=>
string(13) "compress.zlib"
[8]=>
string(14) "compress.bzip2"
[9]=>
string(4) "phar"
}

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

function getHTTPS($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}