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oscon

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Rasmus Lerdorf
2015-07-23 08:07:16 -07:00
parent 480f238fd6
commit 7a4c4e1d2e
3 changed files with 1210 additions and 3 deletions
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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"
>
<notes>
PHP in 2015 with a focus on performance
</notes>
<topic>PHP</topic>
<title>Speeding up the Web with PHP 7</title>
<event>OSCON</event>
<location>Portland</location>
<date>July 23, 2015</date>
<speaker>Rasmus Lerdorf</speaker>
<url>http://talks.php.net/oscon15</url>
<twitter>@rasmus</twitter>
<slide>slides/intro/titlepage.xml</slide>
<slide>slides/intro/20years.xml</slide>
<slide>slides/intro/phpannounce.xml</slide>
<slide>slides/intro/capi.xml</slide>
<slide>slides/intro/php7_2015.xml</slide>
<slide>slides/intro/perf2014.xml</slide>
<slide>slides/intro/php7_perf.xml</slide>
<slide>slides/intro/benchlies.xml</slide>
<slide>slides/intro/may1/benchbox.xml</slide>
<slide>slides/intro/may1/drupalbench.xml</slide>
<slide>slides/intro/may26/wpbench.xml</slide>
<slide>slides/intro/may1/bbbench.xml</slide>
<slide>slides/intro/may1/mwbench.xml</slide>
<slide>slides/intro/may1/opencartbench.xml</slide>
<slide>slides/intro/may1/wardrobebench.xml</slide>
<slide>slides/intro/may1/geeklogbench.xml</slide>
<slide>slides/intro/may1/magentobench.xml</slide>
<slide>slides/intro/may1/traqbench.xml</slide>
<slide>slides/intro/may1/cachetbench.xml</slide>
<slide>slides/intro/may1/moodlebench.xml</slide>
<slide>slides/intro/may1/zencartbench.xml</slide>
<slide>slides/intro/php_contribute.xml</slide>
</presentation>

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slides/intro/php7_2015.xml
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@@ -171,8 +171,40 @@ sys 0m0.000s
]]></example>
<break lines="1" section="php7ast"/>
<blurb fontsize="1.1em" align="left">✔ Abstract Syntax Tree</blurb>
<blurb fontsize="1.1em" align="left">✔ Abstract Syntax Tree!!</blurb>
<example fontsize="1.1em" result='0' title=""><![CDATA[
<?php
echo substr("abc", [1,2]);
]]></example>
<example fontsize="0.8em" result='0' title="" type="shell nohighlight"><![CDATA[
% phan -a test.php
AST_STMT_LIST @ 1
0: AST_STMT_LIST @ 2
0: AST_ECHO @ 2
0: AST_CALL @ 2
0: AST_NAME @ 2
flags: NAME_NOT_FQ (1)
0: "substr"
1: AST_ARG_LIST @ 2
0: "abc"
1: AST_ARRAY @ 2
0: AST_ARRAY_ELEM @ 2
flags: 0
0: 1
1: null
1: AST_ARRAY_ELEM @ 2
flags: 0
0: 2
1: null
]]></example>
<example fontsize="0.8em" result='0' title="" type="shell nohighlight"><![CDATA[
% phan -a test.php
test.php:2 TypeError arg#2(start) is int[] but substr() takes int
]]></example>
<break lines="1" section="php7ret"/>
<blurb fontsize="1.1em" align="left">✔ Return Types</blurb>
<example fontsize="1.1em" result='0' title=""><![CDATA[
<?php
@@ -317,6 +349,7 @@ $f->call($myC);
     (Your PHP4 code will break!)</blurb>
<example result='0' title=""><![CDATA[
- ext/ereg (use ext/pcre instead)
- preg_replace() eval modifier (use preg_replace_callback() instead)
- ext/mysql (use ext/mysqli or ext/pdo_mysql instead)
- Assignment of new by reference
- Scoped calls of non-static methods from incompatible $this context
@@ -339,7 +372,6 @@ $f->call($myC);
- # style comments in ini files (use ; style comments instead)
- String category names in setlocale() (use LC_* constants instead)
- Unsafe curl file uploads (use CurlFile instead)
- preg_replace() eval modifier (use preg_replace_callback() instead)
- PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT driver option
(use PDO::ATTR_EMULATE_PREPARES instead)
- CN_match and SNI_server_name stream context option (use peer_name instead)
@@ -419,6 +451,44 @@ $foo()()
'Foo'::$bar
]]></example>
<break lines="1" section="php7phanbc"/>
<example fontsize="1em" result='0' title=""><![CDATA[
echo preg_replace('/:-:(.*?):-:/e', '$this->pres->\\1', $text);
]]></example>
<example fontsize="1em" result='0' title=""><![CDATA[
echo preg_replace_callback(
'/:-:(.*?):-:/',
function($matches) {
return $this->pres->$matches[1];
},
$text);
]]></example>
<example fontsize="0.8em" result='0' title="" type="shell nohighlight"><![CDATA[
% phan -b display.php
Files scanned: 1
Time: 0.13s
Classes: 8
Methods: 55
Functions: 5
Closures: 5
Traits: 0
Conditionals: 307
Issues found: 1
display.php:416 CompatError expression may not be PHP 7 compatible
]]></example>
<example fontsize="1em" result='0' title=""><![CDATA[
echo preg_replace_callback(
'/:-:(.*?):-:/',
function($matches) {
return $this->pres->{$matches[1]};
},
$text);
]]></example>
<break lines="1" section="php7unicode"/>
<blurb fontsize="1.1em" align="left">✔ Unicode Codepoint Escape Syntax</blurb>
@@ -434,6 +504,6 @@ echo "\u{1F602}";
<break lines="1" section="php7more"/>
<blurb fontsize="1.5em">First RC scheduled for June 2015</blurb>
<blurb fontsize="1.5em">GA release scheduled for October 2015</blurb>
</slide>