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<title>Example that shows the effect of scream</title>
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<h2 class="title">Example that shows the effect of scream</h2>
<p class="para">
This example demonstrates how scream affects the behaviour of PHP's error handler.
</p>
<p class="para">
<div class="example" id="example-546">
<p><strong>Example #1 Enabling and disabling scream at runtime</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Make sure errors will be shown<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'display_errors'</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">error_reporting</span><span style="color: #007700">(</span><span style="color: #0000BB">E_ALL</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Disable scream - this is the default and produce an error<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'scream.enabled'</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Opening http://example.com/not-existing-file\n"</span><span style="color: #007700">;<br />@</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://example.com/not-existing-file'</span><span style="color: #007700">, </span><span style="color: #DD0000">'r'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Now enable scream and try again<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'scream.enabled'</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Opening http://example.com/not-existing-file\n"</span><span style="color: #007700">;<br />@</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://example.com/another-not-existing-file'</span><span style="color: #007700">, </span><span style="color: #DD0000">'r'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Opening http://example.com/not-existing-file
Opening http://example.com/not-existing-file
Warning: fopen(http://example.com/another-not-existing-file): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in example.php on line 14
</pre></div>
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</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<span class="simpara">
Usually one would set this in the <a href="configuration.file.html" class="link">php.ini configuration file</a>
instead of changing the code.
</span>
</p></blockquote>
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