[presentations] master: More 2023 talks

[email protected] (Derick Rethans) Wed, 12 Jul 2023 11:21:03 +0000
Newsgroups	php.pres
Message-ID	<[email protected]>
Author: Derick Rethans (derickr)
Date: 2023-07-12T12:07:36+01:00

Commit: https://github.com/php/presentations/commit/c6e3dd10a8d8b0a26f938ce0c427665ebe5e8a8b
Raw diff: https://github.com/php/presentations/commit/c6e3dd10a8d8b0a26f938ce0c427665ebe5e8a8b.diff

More 2023 talks

Changed paths:
  A  php-phpsussex23.xml
  A  slides/internals/php83-dynamic-class-constant-fetch.xml
  A  slides/internals/php83-marking-overridden-methods.xml
  A  slides/internals/php83-readonly.xml
  A  slides/internals/php83-typed-class-constants.xml
  A  xdebug-io23.xml
  A  xdebug-planethoster23.xml
  M  slides/internals/php81-fcc.xml
  M  slides/mongodb/me.xml
  M  slides/xdebug/business-support.xml
  M  slides/xdebug/transparency.xml
  M  xdebug-tek23.xml


Diff:

diff --git a/php-phpsussex23.xml b/php-phpsussex23.xml
new file mode 100644
index 00000000..87a3af21
--- /dev/null
+++ b/php-phpsussex23.xml
@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="utf-8"?>
+<presentation css="derick.css">
+<topic>PHP</topic>
+<title>What's New in PHP 8.[123]?</title>
+<event>PHP Sussex</event>
+<location>Brighton, UK</location>
+<date>July 12th, 2023</date>
+<speaker>Derick Rethans</speaker>
+<email>[email protected]</email>
+<twitter>derickr</twitter>
+<mastodon>@[email protected]</mastodon>
+<url>https://derickrethans.nl/talks/php-phpsussex23</url>
+<joindin></joindin>
+<slide>slides/xdebug/title.xml</slide>
+<slide>slides/mongodb/me.xml</slide>
+
+<slide>slides/internals/php80-union-types.xml</slide>
+<slide>slides/internals/php80-union-types-phpdoc.xml</slide>
+<slide>slides/internals/php80-union-types-new.xml</slide>
+<slide>slides/internals/php80-union-types-examples.xml</slide>
+<slide>slides/internals/php80-union-types-law.xml</slide>
+<!--<s lide>slides/internals/php80-union-types-coercive.xml</slide> -->
+
+Readonly properties 2.0 (https://wiki.php.net/rfc/readonly_properties_v2)
+<slide>slides/internals/php81-readonly.xml</slide>
+
+https://wiki.php.net/rfc/readonly_classes
+<slide>slides/internals/php82-readonly.xml</slide>
+
+https://wiki.php.net/rfc/readonly_amendments
+<slide>slides/internals/php83-readonly.xml</slide>
+
+
+Mixed Type v2
+<!-- <s lide>slides/internals/php80-mixed-types.xml</slide> -->
+
+PHP 8.0:
+https://wiki.php.net/rfc/static_return_type
+static return type
+<!-- <s lide>slides/internals/php80-static-return.xml</slide> -->
+
+Constructor Property Promotion
+<slide>slides/internals/php80-cpp-without.xml</slide>
+<slide>slides/internals/php80-cpp-with.xml</slide>
+
+<slide>slides/internals/php80-named-without.xml</slide>
+<slide>slides/internals/php80-named-with.xml</slide>
+
+<!-- BIG NEW FEATURES -->
+Enumerations (https://wiki.php.net/rfc/enumerations)
+<slide>slides/internals/php81-enums-1.xml</slide>
+<slide>slides/internals/php81-enums-2.xml</slide>
+<slide>slides/internals/php81-enums-3.xml</slide>
+<slide>slides/internals/php81-enums-4.xml</slide>
+<slide>slides/internals/php81-enums-5.xml</slide>
+<slide>slides/internals/php81-enums-6.xml</slide>
+<slide>slides/internals/php81-enums-7.xml</slide>
+
+https://wiki.php.net/rfc/fetch_property_in_const_expressions
+<slide>slides/internals/php82-enums-1.xml</slide>
+
+Noreturn type (https://wiki.php.net/rfc/noreturn_type) (never)
+<slide>slides/internals/php81-never-type.xml</slide>
+
+Pure Intersection Types (https://wiki.php.net/rfc/pure-intersection-types)
+<slide>slides/internals/php81-pure-intersection.xml</slide>
+
+Array unpacking with string keys (https://wiki.php.net/rfc/array_unpacking_string_keys)
+<slide>slides/internals/php81-array-unpacking.xml</slide>
+
+Fibers (https://wiki.php.net/rfc/fibers)
+<!-- <s lide>slides/internals/php81-fibers.xml</slide> -->
+
+First Class Callable (https://wiki.php.net/rfc/first_class_callable_syntax)
+<slide>slides/internals/php81-fcc.xml</slide>
+
+PHP 8.2:
+
+https://wiki.php.net/rfc/null-false-standalone-types
+'null' and 'false' as standalone
+<slide>slides/internals/php82-null-false-standalone.xml</slide>
+
+https://wiki.php.net/rfc/true-type
+'true' type
+<slide>slides/internals/php82-true.xml</slide>
+
+https://wiki.php.net/rfc/dnf_types
+? Disjunctive Normal Form Types
+<slide>slides/internals/php82-dnf-types.xml</slide>
+
+https://wiki.php.net/rfc/rng_extension
+<slide>slides/internals/php82-random.xml</slide>
+
+https://wiki.php.net/rfc/deprecate_dynamic_properties
+<slide>slides/internals/php82-deprecate-dynamic-properties.xml</slide>
+
+https://wiki.php.net/rfc/redact_parameters_in_back_traces
+<slide>slides/internals/php82-redact-parameters.xml</slide>
+
+PHP 8.3:
+
+https://wiki.php.net/rfc/marking_overriden_methods
+<slide>slides/internals/php83-marking-overridden-methods.xml</slide>
+
+https://wiki.php.net/rfc/typed_class_constants
+<slide>slides/internals/php83-typed-class-constants.xml</slide>
+
+https://wiki.php.net/rfc/dynamic_class_constant_fetch
+<slide>slides/internals/php83-dynamic-class-constant-fetch.xml</slide>
+
+https://wiki.php.net/rfc/arbitrary_static_variable_initializers
+
+<slide>slides/internals/questions-new.xml</slide>
+<slide>slides/xdebug/resources.xml</slide>
+
+</presentation>
diff --git a/slides/internals/php81-fcc.xml b/slides/internals/php81-fcc.xml
index 3fd73e87..cd80cb0c 100644
--- a/slides/internals/php81-fcc.xml
+++ b/slides/internals/php81-fcc.xml
@@ -52,7 +52,7 @@ class Test {
     public function getPrivateMethod() {
         |bbbbbb|return [$this, 'privateMethod'];*|
         |bbbbbb|return Closure::fromCallable([$this, 'privateMethod']);|
-        *return $this->privateMethod(...);*
+        *return $this->privateMethod(...);* // new in PHP 8.1
     }
 
     private function privateMethod() {
diff --git a/slides/internals/php83-dynamic-class-constant-fetch.xml b/slides/internals/php83-dynamic-class-constant-fetch.xml
new file mode 100644
index 00000000..c6722a8d
--- /dev/null
+++ b/slides/internals/php83-dynamic-class-constant-fetch.xml
@@ -0,0 +1,45 @@
+<slide>
+<title>Dynamic Class Constant Fetch</title>
+
+<blurb>Looking up members' names:</blurb>
+<div effect="fade-out">
+<list>
+    <bullet>Variables: %$$foo%</bullet>
+    <bullet>Properties: %$foo->$bar%</bullet>
+    <bullet>Static properties: %Foo::${$bar}%</bullet>
+    <bullet>Methods: %$foo->{$bar}()%</bullet>
+    <bullet>Static methods: %Foo::{$bar}()%</bullet>
+    <bullet>Classes for static properties: %$foo::$bar%</bullet>
+    <bullet>Classes for static methods: %$foo::bar()%</bullet>
+    <bullet>---Class constants: %$foo::{$bar}%---</bullet>
+</list>
+</div>
+
+<div effect="fade-in">
+<list>
+    <bullet>…</bullet>
+    <bullet>Class constants: %$foo::{$bar}%</bullet>
+</list>
+
+<example result="0"><![CDATA[
+<?php
+class Foo {
+    const BAR = 'bar';
+}
+$bar = 'BAR';
+
+echo Foo::{$bar}; // bar
+?>]]></example>
+
+<blurb>Also works for magic %class% constant:</blurb>
+<example result="0"><![CDATA[
+<?php
+namespace Foo;
+class Bar {}
+
+$class = 'class';
+echo Bar::{$class}; // Foo\Bar
+?>]]></example>
+
+</div>
+</slide>
diff --git a/slides/internals/php83-marking-overridden-methods.xml b/slides/internals/php83-marking-overridden-methods.xml
new file mode 100644
index 00000000..23ac920a
--- /dev/null
+++ b/slides/internals/php83-marking-overridden-methods.xml
@@ -0,0 +1,51 @@
+<slide>
+<title>PHP 8.3: New #[Override] Attribute</title>
+
+<div effect="fade-out">
+<example><![CDATA[<?php
+final class MyApp\Tests\MyTest extends PHPUnit\Framework\TestCase
+{
+    protected $logFile;
+
+    protected function setUp(): void
+    {
+        $this->logFile = fopen('/tmp/logfile', 'w');
+    }
+
+
+    protected function taerDown(): void
+    {
+        fclose($this->logFile);
+        unlink('/tmp/logfile');
+    }
+}
+?>]]></example>
+</div>
+
+<div effect="fade-in">
+<example inline="1"><![CDATA[&lt;?php
+final class MyApp\Tests\MyTest extends PHPUnit\Framework\TestCase
+{
+    protected $logFile;
+
+    protected function setUp(): void
+    {
+        $this->logFile = fopen('/tmp/logfile', 'w');
+    }
+
+    *#[\Override]*
+    protected function *tearDown()*: void
+    {
+        fclose($this->logFile);
+        unlink('/tmp/logfile');
+    }
+}
+?>]]></example>
+
+<break lines="2"/>
+
+<blurb>If this attribute is added to a method, PHP validates that a method with
+the same name exists in a parent class or any of the implemented
+interfaces.</blurb>
+</div>
+</slide>
diff --git a/slides/internals/php83-readonly.xml b/slides/internals/php83-readonly.xml
new file mode 100644
index 00000000..3a80623b
--- /dev/null
+++ b/slides/internals/php83-readonly.xml
@@ -0,0 +1,28 @@
+<slide>
+<title>Readonly Amendments</title>
+
+<blurb>In PHP 8.3:</blurb>
+<example inline="1"><![CDATA[&lt;?php
+class LogEntry
+{
+    public function __construct(
+        public readonly string $title,
+        public readonly DateTimeImmutable $current,
+    ) {}
+
+    public function __clone()
+    {
+        $this->current = new DateTimeImmutable();
+    }
+}
+
+$entry = new LogEntry("PHP Sussex is great", new DateTimeImmutable());
+$newEntry = clone $entry;
+?>]]></example>
+
+<div effect="fade-in">
+<break/>
+<blurb>You can now re-assign readonly properties during %clone%</blurb>
+</div>
+
+</slide>
diff --git a/slides/internals/php83-typed-class-constants.xml b/slides/internals/php83-typed-class-constants.xml
new file mode 100644
index 00000000..647ae34c
--- /dev/null
+++ b/slides/internals/php83-typed-class-constants.xml
@@ -0,0 +1,36 @@
+<slide>
+<title>PHP 8.3: Typed Class Constants?</title>
+
+<div effect="fade-out">
+<example><![CDATA[<?php
+interface I {
+    const TEST = "Test";
+}
+
+class Foo implements I {
+    const TEST = [];
+}
+
+class Bar extends Foo {
+    const TEST = null;
+}
+?>]]></example>
+</div>
+
+<div effect="fade-in">
+<example inline="1"><![CDATA[&lt;?php
+interface I {
+    const *string* TEST = "Test";
+}
+
+class Foo implements I {
+    const TEST = [];
+}
+
+class Bar extends Foo {
+    const float TEST = M_PI;
+}
+?>]]></example>
+</div>
+
+</slide>
diff --git a/slides/mongodb/me.xml b/slides/mongodb/me.xml
index bb6531f2..f865fdd0 100644
--- a/slides/mongodb/me.xml
+++ b/slides/mongodb/me.xml
@@ -13,6 +13,6 @@
 <!--		<bullet>Host of *https://phpinternals.news* podcast</bullet> -->
 		<bullet>I ♥🌍 maps, I ♥🍺 beer, I ♥🥃  whisky</bullet>
 		<bullet>mastodon: :-:mastodon:-:</bullet>
-		<bullet>|999999|twitter: @:-:twitter:-:|</bullet>
+		<bullet>|aaaaaa|twitter: @:-:twitter:-:|</bullet>
 	</list>
 </slide>
diff --git a/slides/xdebug/business-support.xml b/slides/xdebug/business-support.xml
index cfe07637..091149ee 100644
--- a/slides/xdebug/business-support.xml
+++ b/slides/xdebug/business-support.xml
@@ -8,8 +8,8 @@
 <break/>
 
 <blurb class="centre">
-iO — TYPO3 GmbH — Tideways — Xdebug Cloud — Seiden Group — Offers.com<br/>
-Private Packagist — VEMA eG — Bubble Shooter — Find My Electric 
+iO Digital — TYPO3 GmbH — Tideways — Xdebug Cloud — Seiden Group — Offers.com<br/>
+Private Packagist — VEMA eG — Bubble Shooter — Find My Electric — b13 — 11com7
 </blurb>
 
 </slide>
diff --git a/slides/xdebug/transparency.xml b/slides/xdebug/transparency.xml
index 79b49da2..c259308f 100644
--- a/slides/xdebug/transparency.xml
+++ b/slides/xdebug/transparency.xml
@@ -1,5 +1,5 @@
 <slide>
 <title>Transparency</title>
 
-<image filename="log-july-2020.png"/>
+<image filename="log-march-2023.png"/>
 </slide>
diff --git a/xdebug-io23.xml b/xdebug-io23.xml
new file mode 100644
index 00000000..f11c2e7c
--- /dev/null
+++ b/xdebug-io23.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<presentation css="derick.css">
+<topic>Debugging</topic>
+<title>Debugging Our Way Through PHP</title>
+<event>iO webinar</event>
+<location>London, United Kingdom</location>
+<date>May 25th, 2023</date>
+<speaker>Derick Rethans</speaker>
+<email>[email protected]</email>
+<mastodon>@[email protected]</mastodon>
+<twitter>derickr</twitter>
+<url></url>
+<joindin>https://xdebug.org</joindin>
+<slide>slides/xdebug/title.xml</slide>
+<slide>slides/mongodb/me.xml</slide>
+
+Code reorganisation
+Modes
+- only do what is needed
+Reduce Configuration Options
+Code Improvements (algorithms, memory, etc)
+<!--<s lide>slides/xdebug/code-reorgnisation.xml</slide>-->
+<slide>slides/xdebug/modes.xml</slide>
+<!--slide>slides/xdebug/config-settings-3.xml</slide> -->
+<slide>slides/xdebug/config-settings-3b.xml</slide>
+<slide>slides/xdebug/xdebug-3-speedup-1.xml</slide>
+
+- xdebug_info() (demo, VS Code or PhpStorm)
+
+	- an API through xdebug_info() for mode detection (VS Code or PhpStorm)
+		'mode'
+		'extension-flags'
+
+<slide>slides/xdebug/xdebug_info.xml</slide>
+<slide>slides/xdebug/xdebug_info-2.xml</slide>
+
+- xdebug_notify() (demo, VS Code)
+
+<slide>slides/xdebug/xdebug_notify.xml</slide>
+
+- file_link_format (demo, PhpStorm)
+
+<slide>slides/xdebug/xdebug_file_link_format.xml</slide>
+
+
+  -> ticket
+
+<!-- <s lide>slides/xdebug/diagnostic-log.xml</slide> - (Also console output) -->
+
+Step debugging improvements
+
+<slide>slides/xdebug/breakpoint_resolving.xml</slide>
+- breakpoint resolving (demo, PhpStorm)
+
+<slide>slides/xdebug/return_value.xml</slide>
+- return value debugging (demo, VS Code)
+
+<slide>slides/xdebug/breakpoint_not_resolving.xml</slide>
+- Xdebug will now also log a warning if an IDE attempts to set a breakpoint on
+  a file that does not exist on the file system. (demo, PhpStorm)
+
+<slide>slides/xdebug/xdebug_connect_to_client.xml</slide>
+- xdebug_connect_to_client() (demo, PhpStorm)
+
+<slide>slides/xdebug/xdebug_pseudo_hosts.xml</slide>
+- xdebug://gateway and xdebug://nameserver (explain)
+
+<slide>slides/xdebug/xdebug-cloud-announcement.xml</slide>
+
+<!--<sli de>slides/xdebug/donate.xml</slide> -->
+<slide>slides/xdebug/business-support.xml</slide>
+<slide>slides/xdebug/transparency.xml</slide>
+
+
+<!--<s lide>slides/xdebug/phpinternalsnews.xml</slide> -->
+<slide>slides/mongodb/questions.xml</slide>
+<slide>slides/xdebug/resources.xml</slide>
+
+</presentation>
diff --git a/xdebug-planethoster23.xml b/xdebug-planethoster23.xml
new file mode 100644
index 00000000..f9267ed5
--- /dev/null
+++ b/xdebug-planethoster23.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<presentation css="derick.css">
+<topic>Debugging</topic>
+<title>Debugging Our Way Through PHP</title>
+<event>PlanetHoster webinar</event>
+<location>London, United Kingdom</location>
+<date>May 25th, 2023</date>
+<speaker>Derick Rethans</speaker>
+<email>[email protected]</email>
+<mastodon>@[email protected]</mastodon>
+<twitter>derickr</twitter>
+<url></url>
+<joindin>https://xdebug.org</joindin>
+<slide>slides/xdebug/title.xml</slide>
+<slide>slides/mongodb/me.xml</slide>
+
+Code reorganisation
+Modes
+- only do what is needed
+Reduce Configuration Options
+Code Improvements (algorithms, memory, etc)
+<!--<s lide>slides/xdebug/code-reorgnisation.xml</slide>-->
+<slide>slides/xdebug/modes.xml</slide>
+<!--slide>slides/xdebug/config-settings-3.xml</slide> -->
+<slide>slides/xdebug/config-settings-3b.xml</slide>
+<slide>slides/xdebug/xdebug-3-speedup-1.xml</slide>
+
+- xdebug_info() (demo, VS Code or PhpStorm)
+
+	- an API through xdebug_info() for mode detection (VS Code or PhpStorm)
+		'mode'
+		'extension-flags'
+
+<slide>slides/xdebug/xdebug_info.xml</slide>
+<slide>slides/xdebug/xdebug_info-2.xml</slide>
+
+- xdebug_notify() (demo, VS Code)
+
+<slide>slides/xdebug/xdebug_notify.xml</slide>
+
+- file_link_format (demo, PhpStorm)
+
+<slide>slides/xdebug/xdebug_file_link_format.xml</slide>
+
+
+  -> ticket
+
+<!-- <s lide>slides/xdebug/diagnostic-log.xml</slide> - (Also console output) -->
+
+Step debugging improvements
+
+<slide>slides/xdebug/breakpoint_resolving.xml</slide>
+- breakpoint resolving (demo, PhpStorm)
+
+<slide>slides/xdebug/return_value.xml</slide>
+- return value debugging (demo, VS Code)
+
+<slide>slides/xdebug/breakpoint_not_resolving.xml</slide>
+- Xdebug will now also log a warning if an IDE attempts to set a breakpoint on
+  a file that does not exist on the file system. (demo, PhpStorm)
+
+<slide>slides/xdebug/xdebug_connect_to_client.xml</slide>
+- xdebug_connect_to_client() (demo, PhpStorm)
+
+<slide>slides/xdebug/xdebug_pseudo_hosts.xml</slide>
+- xdebug://gateway and xdebug://nameserver (explain)
+
+<slide>slides/xdebug/xdebug-cloud-announcement.xml</slide>
+
+<!--<sli de>slides/xdebug/donate.xml</slide> -->
+<slide>slides/xdebug/business-support.xml</slide>
+<slide>slides/xdebug/transparency.xml</slide>
+
+
+<!--<s lide>slides/xdebug/phpinternalsnews.xml</slide> -->
+<slide>slides/mongodb/questions.xml</slide>
+<slide>slides/xdebug/resources.xml</slide>
+
+</presentation>
diff --git a/xdebug-tek23.xml b/xdebug-tek23.xml
index 88a944ed..495d1f55 100644
--- a/xdebug-tek23.xml
+++ b/xdebug-tek23.xml
@@ -2,7 +2,7 @@
 <presentation css="derick.css">
 <topic>Debugging</topic>
 <title>Debugging Our Way Through PHP</title>
-<event>php[tel] 2023</event>
+<event>php[tek] 2023</event>
 <location>Chicago, IL, USA</location>
 <date>May 18th, 2023</date>
 <speaker>Derick Rethans</speaker>
@@ -45,7 +45,7 @@ Code Improvements (algorithms, memory, etc)
 
   -> ticket
 
-<!--<s lide>slides/xdebug/diagnostic-log.xml</slide> (Also console output) -->
+<!-- <s lide>slides/xdebug/diagnostic-log.xml</slide> - (Also console output) -->
 
 Step debugging improvements