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<h1>Changelog</h1>
<p class="para">The following changes have been made to classes/functions/methods of this extension.</p>
<table class='doctable table' rules='groups'><thead><tr><th>Version</th><th>Function</th><th>Description</th></tr></thead><tbody class="gen-changelog v"><tr><td>5.5.0</td><td><a href='function.pack.html'>pack</a></td><td>The "Z" code was added with equivalent functionality to "a" for Perl
compatibility.</td></tr><tr><td> </td><td><a href='function.unpack.html'>unpack</a></td><td>Changes were made to bring this function into line with Perl:
The "a" code now retains trailing NULL bytes.
The "A" code now strips all trailing ASCII whitespace (spaces, tabs,
newlines, carriage returns, and NULL bytes).
The "Z" code was added for NULL-padded strings, and removes trailing
NULL bytes.</td></tr></tbody><tbody class="gen-changelog v5-5-0"><tr><td>5.3.4</td><td><a href='function.sleep.html'>sleep</a></td><td>Before PHP 5.3.4, on Windows, sleep always
returns NULL when sleep has occurred, regardless of whether the
sleep was interrupted or not.</td></tr></tbody><tbody class="gen-changelog v5-3-4"><tr><td>5.3.0</td><td><a href='function.time-nanosleep.html'>time_nanosleep</a></td><td>This function is now available on Windows platforms.</td></tr><tr><td> </td><td><a href='function.time-sleep-until.html'>time_sleep_until</a></td><td>This function is now available on Windows platforms.</td></tr></tbody><tbody class="gen-changelog v5-3-0"><tr><td>5.0.5</td><td><a href='function.php-check-syntax.html'>php_check_syntax</a></td><td>This function was removed from PHP.</td></tr></tbody><tbody class="gen-changelog v5-0-5"><tr><td>5.0.3</td><td><a href='function.php-check-syntax.html'>php_check_syntax</a></td><td>Calling exit after
php_check_syntax resulted in a Segfault.</td></tr></tbody><tbody class="gen-changelog v5-0-3"><tr><td>5.0.1</td><td><a href='function.php-check-syntax.html'>php_check_syntax</a></td><td>error_message is passed by reference.</td></tr></tbody><tbody class="gen-changelog v5-0-1"><tr><td>5.0.0</td><td><a href='function.uniqid.html'>uniqid</a></td><td>The prefix parameter was made optional.</td></tr><tr><td> </td><td><a href='function.usleep.html'>usleep</a></td><td>This function now works on Windows systems.</td></tr></tbody><tbody class="gen-changelog v5-0-0"><tr><td>4.3.2</td><td><a href='function.get-browser.html'>get_browser</a></td><td>The optional parameter return_array was added.</td></tr></tbody><tbody class="gen-changelog v4-3-2"><tr><td>4.3.1</td><td><a href='function.uniqid.html'>uniqid</a></td><td>The limit of 114 characters long for prefix
was raised.</td></tr></tbody><tbody class="gen-changelog v4-3-1"><tr><td>4.2.1</td><td><a href='function.highlight-file.html'>highlight_file</a></td><td>This function is now also affected by safe_mode and open_basedir.</td></tr></tbody><tbody class="gen-changelog v4-2-1"><tr><td>4.2.0</td><td><a href='function.highlight-file.html'>highlight_file</a></td><td>The return parameter was added.</td></tr><tr><td> </td><td><a href='function.highlight-string.html'>highlight_string</a></td><td>The return parameter was added.</td></tr></tbody></table>
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