Detailed explanation of how to use PHP fsockopen_PHP tutorial-PHP Tutorial-php.cn

Detailed explanation of how to use PHP fsockopen_PHP tutorial

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Release： 2016-07-15 13:31:47

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There is also a function starting with curl_, which can implement many functions. Do some research when you have time! The following is an introduction to fscokopen

1. PHP fsockopen function description:

Open Internet or Unix domain socket connection (open socket link )

Initiates a socket connection to the resource specified by target .

fsockopen() returns a file pointer which may be used together with the other file functions (such as fgets() , fgetss( ), fwrite(), fclose(), and feof() ). It returns a file handle

Open PHP fsockopen function

PHP fsockopen requires the allow_url_fopen option in PHP.ini to be turned on.

<ol class="dp-xml">
<li class="alt"><span><span>$</span><span class="attribute">fp</span><span> = </span><span class="attribute-value">fsockopen</span><span>("www.example.com",<br> 80, $errno, $errstr, 30);   </span></span></li>
<li><span>if (!$fp) {   </span></li>
<li class="alt">
<span>echo "$errstr ($errno)</span><span class="tag"><</span><span class="tag-name">br</span><span> </span><span class="tag">/></span><span>n";   </span>
</li>
<li><span>} else {   </span></li>
<li class="alt">
<span>$</span><span class="attribute">out</span><span> = </span><span class="attribute-value">"GET / HTTP/1.1rn"</span><span>;   </span>
</li>
<li>
<span>$out </span><span class="attribute">.</span><span>= </span><span class="attribute-value">"Host: www.example.comrn"</span><span>;   </span>
</li>
<li class="alt">
<span>$out </span><span class="attribute">.</span><span>= </span><span class="attribute-value">"Connection: Closernrn"</span><span>;   </span>
</li>
<li><span> </span></li>
<li class="alt"><span>fwrite($fp, $out);   </span></li>
<li><span>while (!feof($fp)) {   </span></li>
<li class="alt"><span>echo fgets($fp, 128);   </span></li>
<li><span>}   </span></li>
<li class="alt"><span>fclose($fp);   </span></li>
<li><span>}  </span></li>
</ol>

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The above is the specific method of using the PHP fsockopen function for your reference and study.