stream.examples.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 59 行
HTML
59 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Examples</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="stream.errors.html">Stream Errors</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.stream.html">Stream Functions</a></div> <div class="up"><a href="book.stream.html">Streams</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Examples</h1> <p class="para"> <div class="example"> <p><b>Example #1 Using <a href="function.file-get-contents.html" class="function">file_get_contents()</a> to retrieve data from multiple sources</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Read local file from /home/bar */<br /></span><span style="color: #0000BB">$localfile </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"/home/bar/foo.txt"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Identical to above, explicitly naming FILE scheme */<br /></span><span style="color: #0000BB">$localfile </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"file:///home/bar/foo.txt"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Read remote file from www.example.com using HTTP */<br /></span><span style="color: #0000BB">$httpfile </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"http://www.example.com/foo.txt"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Read remote file from www.example.com using HTTPS */<br /></span><span style="color: #0000BB">$httpsfile </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"https://www.example.com/foo.txt"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Read remote file from ftp.example.com using FTP */<br /></span><span style="color: #0000BB">$ftpfile </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"ftp://user:pass@ftp.example.com/foo.txt"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Read remote file from ftp.example.com using FTPS */<br /></span><span style="color: #0000BB">$ftpsfile </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"ftps://user:pass@ftp.example.com/foo.txt"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #2 Making a POST request to an https server</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Send POST request to https://secure.example.com/form_action.php<br />* Include form elements named "foo" and "bar" with dummy values<br />*/<br /><br /></span><span style="color: #0000BB">$sock </span><span style="color: #007700">= </span><span style="color: #0000BB">fsockopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"ssl://secure.example.com"</span><span style="color: #007700">, </span><span style="color: #0000BB">443</span><span style="color: #007700">, </span><span style="color: #0000BB">$errno</span><span style="color: #007700">, </span><span style="color: #0000BB">$errstr</span><span style="color: #007700">, </span><span style="color: #0000BB">30</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$sock</span><span style="color: #007700">) die(</span><span style="color: #DD0000">"$errstr ($errno)\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #DD0000">"foo=" </span><span style="color: #007700">. </span><span style="color: #0000BB">urlencode</span><span style="color: #007700">(</span><span style="color: #DD0000">"Value for Foo"</span><span style="color: #007700">) . </span><span style="color: #DD0000">"&bar=" </span><span style="color: #007700">. </span><span style="color: #0000BB">urlencode</span><span style="color: #007700">(</span><span style="color: #DD0000">"Value for Bar"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"POST /form_action.php HTTP/1.0\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"Host: secure.example.com\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"Content-type: application/x-www-form-urlencoded\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"Content-length: " </span><span style="color: #007700">. </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"Accept: */*\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"$data\r\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">"\r\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$headers </span><span style="color: #007700">= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$str </span><span style="color: #007700">= </span><span style="color: #0000BB">trim</span><span style="color: #007700">(</span><span style="color: #0000BB">fgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #0000BB">4096</span><span style="color: #007700">)))<br /></span><span style="color: #0000BB">$headers </span><span style="color: #007700">.= </span><span style="color: #DD0000">"$str\n"</span><span style="color: #007700">;<br /><br />echo </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$body </span><span style="color: #007700">= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br />while (!</span><span style="color: #0000BB">feof</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">))<br /></span><span style="color: #0000BB">$body </span><span style="color: #007700">.= </span><span style="color: #0000BB">fgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #0000BB">4096</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #3 Writing data to a compressed file</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Create a compressed file containing an arbitrarty string<br />* File can be read back using compress.zlib stream or just<br />* decompressed from the command line using 'gzip -d foo-bar.txt.gz'<br />*/<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"compress.zlib://foo-bar.txt.gz"</span><span style="color: #007700">, </span><span style="color: #DD0000">"wb"</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$fp</span><span style="color: #007700">) die(</span><span style="color: #DD0000">"Unable to create file."</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">, </span><span style="color: #DD0000">"This is a test.\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="stream.errors.html">Stream Errors</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.stream.html">Stream Functions</a></div> <div class="up"><a href="book.stream.html">Streams</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?