com presentations: phpday14: phpday14.html phpday14.xml
[email protected] (Rasmus Lerdorf)
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|---|---|
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Commit: 6b73cf98f15894b8905d86c11a5f20564244a146 Author: Rasmus Lerdorf <[email protected]> Thu, 15 May 2014 15:50:35 +0200 Parents: 384533797a2d4f592345a66ad2b4659f56279150 Branches: master Link: http://git.php.net/?p=presentations.git;a=commitdiff;h=6b73cf98f15894b8905d86c11a5f20564244a146 Log: phpday14 Changed paths: A phpday14.html A phpday14.xml
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diff --git a/phpday14.html b/phpday14.html
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+<!doctype html>
+<html lang="en">
+
+ <head>
+ <meta charset="utf-8">
+
+ <title>PHP</title>
+
+ <meta name="description" content="PHP">
+ <meta name="author" content="Rasmus Lerdorf">
+
+ <meta name="apple-mobile-web-app-capable" content="yes" />
+ <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
+
+ <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+
+ <link rel="stylesheet" href="/reveal.js/css/reveal.min.css">
+ <link rel="stylesheet" href="/samdark.css" id="theme">
+
+ <!-- For syntax highlighting -->
+ <link rel="stylesheet" href="/styles/github.css">
+
+ <!-- If the query includes 'print-pdf', include the PDF print sheet -->
+ <script>
+ if( window.location.search.match( /print-pdf/gi ) ) {
+ var link = document.createElement( 'link' );
+ link.rel = 'stylesheet';
+ link.type = 'text/css';
+ link.href = '/reveal.js/css/print/pdf.css';
+ document.getElementsByTagName( 'head' )[0].appendChild( link );
+ }
+ </script>
+
+ <!--[if lt IE 9]>
+ <script src="lib/js/html5shiv.js"></script>
+ <![endif]-->
+ </head>
+
+ <body>
+
+ <div class="reveal">
+
+ <!-- Any section element inside of this container is displayed as a slide -->
+ <div class="slides">
+ <section>
+ <h1>PHP</h1>
+ <h3>phpday.it</h3>
+ <h3>Verona</h3>
+ <h3>May 16, 2014</h3>
+ <a href="http://talks.php.net/phpday14">http://talks.php.net/phpday14</a><br><br>
+ <p>Rasmus Lerdorf<br>
+ <small><a href="http://twitter.com/@rasmus">@rasmus</a></small>
+ </p>
+ </section>
+ <section>
+ <section id="performance">
+ <h2 margin-bottom="2em">PHP 5.5</h2><br>
+ <h3 class="p">Performance Improvements</h3>
+ <ul>
+ <li>Nested calls</li>
+ <li>Call stack pre-allocated by compiler</li>
+ <li>Bundled opcode cache</li>
+ </ul>
+ </section>
+<section id="generators">
+ <h4 class="p">✔ Generators</h4>
+ <pre><code>function xrange($start, $end) {
+ for ($i = $start; $i <= $end; $i ++) {
+ yield $i;
+ }
+}
+foreach (xrange(0, 5) as $i) {
+ echo $i, "\n";
+}</code></pre>
+ </section>
+<section id="coroutines">
+ <h4 class="p">✔ Coroutines</h4>
+ <pre><code>function logger($fileName) {
+ $fileHandle = fopen($fileName, 'a');
+ while (true) {
+ fwrite($fileHandle, yield . "\n");
+ }
+}
+
+$logger = logger(__DIR__ . '/log');
+$logger->send('Foo');
+$logger->send('Bar');</code></pre>
+ <p class="p">For an advanced explanation of coroutines, read this article by Nikita Popov</p>
+ <div align="" style="font-size: ; color: ; margin-left: ; margin-right: ; margin-top: ; margin-bottom: ;"><a href="http://nikic.github.io/2012/12/22/Cooperative-multitasking-using-coroutines-in-PHP.html" target="">Cooperative multitasking using coroutines</a></div><br />
+ </section>
+<section id="finally">
+ <h4 class="p">✔ finally</h4>
+ <pre><code>$db = mysqli_connect();
+try {
+ call_some_function($db);
+} finally {
+ mysqli_close($db);
+}</code></pre>
+ </section>
+<section id="foreachlist">
+ <h4 class="p">✔ list() in foreach</h4>
+ <pre><code>$names = [ ['John','Smith'], ['Fred','Johnson'] ];
+foreach($names as list($first,$last)) {
+ echo $first,$last;
+}</code></pre>
+ </section>
+<section id="constarray">
+ <h4 class="p">✔ Const array/string Dereferencing</h4>
+ <pre><code>echo array(1, 2, 3)[0]; //output 1
+echo "foobar"[3]; //output b
+echo [1,3,4][2]; //output 4</code></pre>
+ </section>
+<section id="others">
+ <h4 class="p">✔ empty() support for functions/expressions</h4>
+ <h4 class="p">✔ curl upload functionality rewritten</h4>
+ <h4 class="p">✔ Simplified password hashing API</h4>
+ <pre><code>// Hash
+$hash = password_hash("super secret",PASSWORD_BCRYPT);
+
+// To validate $pwd against the stored hash
+if (password_verify($pwd, $hash)) {
+ echo 'Password is valid!';
+} else {
+ echo 'Invalid password.';
+}</code></pre>
+ </section>
+<section id="php55_done">
+ <div align="" style="font-size: ; color: ; margin-left: ; margin-right: ; margin-top: ; margin-bottom: ;"><a href="http://php.net/migration55" target="">php.net/migration55</a></div><br />
+ </section> </section>
+ <section>
+ <section id="php56">
+ <h2 margin-bottom="2em">PHP 5.6</h2><br>
+ <h4 class="p">✔ Variadic functions</h4>
+ <pre><code>class MySQL implements DB {
+ public function query($query, ...$params) {
+ $stmt = $this->pdo->prepare($query);
+ $stmt->execute($params);
+ return $stmt;
+ }
+}
+
+$q = 'SELECT * FROM users WHERE id = ?';
+$user = $db->query($q, $userID)->fetch();</code></pre>
+ </section>
+<section id="php56unpack">
+ <h4 class="p">✔ Argument Unpacking</h4>
+ <pre><code>// A better call_user_func_args
+$args1 = [1, 2, 3];
+$args2 = [4, 5, 6];
+test(...$args1, ...$args2); // [1, 2, 3, 4, 5, 6]
+test(1, 2, 3, ...$args2); // [1, 2, 3, 4, 5, 6]
+test(...$args1, 4, 5, 6); // [1, 2, 3, 4, 5, 6]</code></pre>
+ </section>
+<section id="php56constscalar">
+ <h4 class="p">✔ Constant scalar expressions</h4>
+ <pre><code>class Foo {
+ const FOO = 1 + 1;
+ const BAR = 1 << 1;
+ const GREETING = "HELLO";
+ const BAZ = self::GREETING." WORLD!"
+}</code></pre>
+ </section>
+<section id="php56pow">
+ <h4 class="p">✔ Add right-associative power operator **</h4>
+ <pre><code>echo 2 ** 3 ** 2; // 512 (not 64)
+echo -3 ** 2; // -9 (not 9)
+echo 1 - 3 ** 2; // -8
+echo ~3 ** 2; // -10 (not 16)</code></pre>
+ </section>
+<section id="php56opoverload">
+ <h4 class="p">✔ Internal operator overloading for internal features like GMP</h4>
+ <pre><code>echo 2**512;
+echo "\n";
+$n = gmp_init(2);
+echo $n**512;</code></pre>
+ <pre><code>1.3407807929943E+154
+13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096
+ </code></pre> </section>
+<section id="php56use">
+ <h4 class="p">✔ use function and use const namespace imports</h4>
+ <pre><code>include 'template.inc';
+include 'db.inc';
+use function template\header, template\footer, db\query;
+
+header('My Page');
+query('select * from stuff');
+footer();</code></pre>
+ </section>
+<section id="php56_0">
+ <h4 class="p">✔ default_charset ini now applies to internal funcs</h4>
+ <h4 class="p">✔ SSL Peer verification by default</h4>
+ <h4 class="p">✔ openssl certificate fingerprints</h4>
+ <h4 class="p">✔ SAN x509 ext matching when verifying host names</h4>
+ <h4 class="p">✔ automatic DoS prevention of TLS renegotiation attacks</h4>
+ <h4 class="p">✔ and many more openssl-related options</h4>
+ </section>
+<section id="php56_1">
+ <h4 class="p">✔ Asynchronous PostgreSQL database connections</h4>
+ <h4 class="p">✔ Non-blocking PostgreSQL queries</h4>
+ <h4 class="p">✔ New phpdbg SAPI</h4>
+ <h4 class="p">✔ Support for > 2GB file uploads</h4>
+ <h4 class="p">✔ The php://input stream is now re-usable</h4>
+ <h4 class="p">✔ Added hash_compare() for timing attack safe string comparison</h4>
+ <h4 class="p">✔ Added gost-crypto (CryptoPro S-box) hash algorithm</h4>
+ <h4 class="p">✔ FPM workers can now change their apparmor profile</h4>
+ <h4 class="p">✔ OCI8 Improvements</h4>
+ </section>
+<section id="php56_done">
+ <div align="" style="font-size: ; color: ; margin-left: ; margin-right: ; margin-top: ; margin-bottom: ;"><a href="http://php.net/migration56" target="">php.net/migration56</a></div><br />
+ </section> </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <h3 class="p">Are your deploys atomic?</h3>
+ <h3 class="p">Are you sure?</h3>
+ <h4 class="p">What happens to a request that is currently executing when you deploy?</h4>
+ </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <img src="/presentations/slides/intro/dep1.png" width="642" height="300">
+ </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <h4 class="p">✔ Don't copy files into current document root</h4>
+ <h4 class="p">✔ Let existing requests finish on old code</h4>
+ <h4 class="p">✔ New requests start on new code</h4>
+ <h4 class="p">✔ Avoid clearing your opcode cache</h4>
+ <h4 class="p">✔ Minimal impact on production traffic</h4>
+ </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <img src="/presentations/slides/intro/dep2.png" width="680" height="428">
+ </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <img src="/presentations/slides/intro/dep3.png" width="680" height="428">
+ </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <h4 class="p">2 Document Root directories</h4>
+ <h4 class="p">Symlink /var/www/site toggles between them</h4>
+ <h4 class="p">realpath() symlink at the web server level</h4>
+ <h4 class="p">Set Document Root to symlink realpath</h4>
+ <h4 class="p">Never hardcode the document root in code</h4>
+ </section>
+ <section>
+ <h2 margin-bottom="2em">Deploying Web Apps</h2><br>
+ <h3 class="p">Apache</h3>
+ <h4 class="p">http://github.com/etsy/mod_realdoc</h4>
+ <h3 class="p">nginx</h3>
+ <h4 class="p">You can use $realpath_root</h4>
+ <p class="p">eg. fastcgi_param DOCUMENT_ROOT $realpath_root;</p>
+ <h3 class="p">PHP</h3>
+ <h4 class="p">http://github.com/etsy/incpath</h4>
+ </section>
+ <section>
+ <div align="" style="font-size: ; color: ; margin-left: ; margin-right: ; margin-top: ; margin-bottom: ;"><a href="http://codeascraft.com/2013/07/01/atomic-deploys-at-etsy/" target="">codeascraft.com/2013/07/01/atomic-deploys-at-etsy/</a></div><br />
+ </section>
+ <section>
+ <img src="/presentations/slides/intro/lovehack-white-1000.png" width="1001" height="421">
+ </section>
+ <section data-background="#000000">
+ <img src="/presentations/slides/intro/rasmus.jpg" width="523" height="700">
+ </section>
+ <section data-background="#000000">
+ <img src="/presentations/slides/intro/Greenland1.jpg" width="1024" height="685">
+ </section>
+ <section data-background="#000000">
+ <img src="/presentations/slides/intro/Greenland2.jpg" width="1024" height="685">
+ </section>
+ <section data-background="#000000">
+ <img src="/presentations/slides/intro/Greenland3.jpg" width="1024" height="685">
+ </section>
+ <section>
+ <h2>Work on things that matter</h2>
+ </section>
+ <section>
+ <h4 class="p">We are running out of things that can be solved in isolation with our keyboards</h4>
+ </section>
+ <section>
+ <img src="/presentations/slides/intro/barros1.png" width="480" height="320">
+ <img src="/presentations/slides/intro/barros2.jpg" width="250" height="196">
+ <img src="/presentations/slides/intro/barros3.jpg" width="250" height="367">
+ <img src="/presentations/slides/intro/sasa.jpg" width="600" height="400">
+ </section>
+ </div>
+
+ </div>
+
+ <script src="/reveal.js/lib/js/head.min.js"></script>
+ <script src="/reveal.js/js/reveal.min.js"></script>
+
+ <script>
+
+ // Full list of configuration options available here:
+ // https://github.com/hakimel/reveal.js#configuration
+ Reveal.initialize({
+ controls: true,
+ progress: true,
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+ center: true,
+ backgroundTransition: 'none',
+
+ theme: Reveal.getQueryHash().theme, // available themes are in /css/theme
+ transition: Reveal.getQueryHash().transition || 'linear', // default/cube/page/concave/zoom/linear/fade/none
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+ </body>
+</html>
diff --git a/phpday14.xml b/phpday14.xml
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+<presentation
+ template="simple"
+ navmode="html"
+ titlecolor="#000000"
+ navbarbackground="#bbbbbb"
+ navbartopiclinks="0"
+ logo1="images/php-med-trans.png"
+ titlesize="6em"
+ navbarheight="3.5em"
+ examplebackground="#ffffff"
+ outputbackground="#ffffff"
+ exampleclass="noshadow"
+ exampleoutputclass="noshadow"
+>
+
+<topic>PHP</topic>
+<title>PHP</title>
+<event>phpday.it</event>
+<location>Verona</location>
+<date>May 16, 2014</date>
+<speaker>Rasmus Lerdorf</speaker>
+<url>http://talks.php.net/phpday14</url>
+<twitter>@rasmus</twitter>
+
+<slide>slides/intro/titlepage.xml</slide>
+
+<slide>slides/intro/php55.xml</slide>
+<slide>slides/intro/php56.xml</slide>
+
+<slide>slides/intro/atomic1.xml</slide>
+<slide>slides/intro/atomic3a.xml</slide>
+<slide>slides/intro/atomic2.xml</slide>
+<slide>slides/intro/atomic3b.xml</slide>
+<slide>slides/intro/atomic3c.xml</slide>
+<slide>slides/intro/atomic3.xml</slide>
+<slide>slides/intro/atomic4.xml</slide>
+<slide>slides/intro/codeascraft.xml</slide>
+
+<slide>slides/intro/lovehack.xml</slide>
+<slide>slides/intro/greenland0.xml</slide>
+<slide>slides/intro/greenland1.xml</slide>
+<slide>slides/intro/greenland2.xml</slide>
+<slide>slides/intro/greenland3.xml</slide>
+
+<slide>slides/intro/matter.xml</slide>
+<slide>slides/intro/matter2.xml</slide>
+<slide>slides/intro/etsy_access.xml</slide>
+
+</presentation>