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Update for stubs and fast zpp
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Derick Rethans
62
phpext-confoo24.xml
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62
phpext-confoo24.xml
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<?xml version="1.0" encoding="utf-8"?>
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<presentation css="derick.css">
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<topic>PHP</topic>
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<title>Introduction into PHP Extensions</title>
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<event>ConFoo 2024</event>
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<location>Montréal, Canada</location>
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<date>February 23rd, 2024</date>
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<speaker>Derick Rethans</speaker>
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<email>derick@php.net</email>
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<twitter>derickr</twitter>
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<mastodon>@derickr@phpc.social</mastodon>
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<url>https://derickrethans.nl/talks/phpext-confoo24</url>
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<joindin></joindin>
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<slide>slides/mongodb/title.xml</slide>
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<slide>slides/mongodb/me.xml</slide>
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<slide>slides/internals/extension-agenda.xml</slide>
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<slide>slides/internals/extension-agenda2.xml</slide>
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<slide>slides/internals/extension-what1.xml</slide>
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<slide>slides/internals/extension-why1.xml</slide>
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<slide>slides/internals/extension-why-wrap.xml</slide>
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<slide>slides/internals/extension-why-not-possible.xml</slide>
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<slide>slides/internals/extension-why-speed.xml</slide>
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<slide>slides/internals/extension-why-not1.xml</slide>
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<slide>slides/internals/rdp-intro.xml</slide>
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<slide>slides/internals/rdp-intro2.xml</slide>
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<slide>slides/internals/rdp-intro3.xml</slide>
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<slide>slides/internals/rdp-intro4.xml</slide>
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<slide>slides/internals/extension-parts.xml</slide>
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<slide>slides/internals/config.m4.xml</slide>
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<slide>slides/internals/config.w32.xml</slide>
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<slide>slides/internals/phpize.xml</slide>
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<slide>slides/internals/extension.h.xml</slide>
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<slide>slides/internals/extension.c-part1.xml</slide>
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<slide>slides/internals/extension.c-part1-arginfo.xml</slide>
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<slide>slides/internals/extension.c-part2.xml</slide>
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<slide>slides/internals/extension.c-part3.xml</slide>
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<slide>slides/internals/function.xml</slide>
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<slide>slides/internals/rdp_simplify-part1.xml</slide>
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<slide>slides/internals/rdp_simplify-zedval.xml</slide>
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<slide>slides/internals/rdp_simplify-part1b.xml</slide>
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<slide>slides/internals/rdp_simplify-convert-data.xml</slide>
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<slide>slides/internals/rdp_simplify-run-algorithm.xml</slide>
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<slide>slides/internals/rdp_simplify-php.xml</slide>
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<slide>slides/internals/rdp_simplify-c.xml</slide>
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<slide>slides/internals/rdp_simplify-return-result.xml</slide>
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<slide>slides/internals/rdp_simplify-return-scalars.xml</slide>
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<slide>slides/internals/memory-management.xml</slide>
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<slide>slides/internals/tests.xml</slide>
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<slide>slides/internals/rdp-test.xml</slide>
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<slide>slides/internals/debug.xml</slide>
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<slide>slides/mongodb/questions.xml</slide>
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<slide>slides/mongodb/resources.xml</slide>
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</presentation>
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31
slides/internals/extension.c-part1-arginfo.xml
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31
slides/internals/extension.c-part1-arginfo.xml
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<slide>
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<title>Extension Set-Up</title>
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<subtitle>Function Definitions</subtitle>
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<blurb>%php_geospatial.stub.php%</blurb>
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<example><![CDATA[
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<?php
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/** @generate-function-entries */
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function rdp_simplify(array $points, float $epsilon): array {}
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]]></example>
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<break lines="1"/>
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<blurb>Generates %php_geospatial_arginfo.h%:</blurb>
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<example><![CDATA[
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/* This is a generated file, edit the .stub.php file instead.
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* Stub hash: e128dccdbd9aa407d95c5b62e8000cb12d0bffa3 */
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ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_rdp_simplify, 0, 2, IS_ARRAY, 0)
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ZEND_ARG_TYPE_INFO(0, points, IS_ARRAY, 0)
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ZEND_ARG_TYPE_INFO(0, epsilon, IS_DOUBLE, 0)
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ZEND_END_ARG_INFO()
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ZEND_FUNCTION(rdp_simplify);
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static const zend_function_entry ext_functions[] = {
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ZEND_FE(rdp_simplify, arginfo_rdp_simplify)
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ZEND_FE_END
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};
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]]></example>
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</slide>
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@@ -7,25 +7,12 @@
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "php_geospatial.h"
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#include "php_geospatial_arginfo.h"
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#include "Zend/zend_exceptions.h"
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#include "ext/spl/spl_exceptions.h"
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]]></example>
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<blurb>Argument Information:</blurb>
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<example><![CDATA[
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ZEND_BEGIN_ARG_INFO_EX(rdp_simplify_args, 0, 0, 2)
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ZEND_ARG_INFO(0, pointsArray)
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ZEND_ARG_INFO(0, epsilon)
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ZEND_END_ARG_INFO()
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]]></example>
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<blurb>List of functions:</blurb>
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<example><![CDATA[
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const zend_function_entry geospatial_functions[] = {
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PHP_FE(rdp_simplify, rdp_simplify_args)
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{ NULL, NULL, NULL }
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};
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]]></example>
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</slide>
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@@ -9,7 +9,7 @@ zend_module_entry geospatial_module_entry = {
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STANDARD_MODULE_HEADER,
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#endif
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"geospatial",
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geospatial_functions,
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ext_functions,
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PHP_MINIT(geospatial),
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NULL,
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NULL,
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@@ -6,23 +6,20 @@ PHP_FUNCTION(rdp_simplify)
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{
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*zval* *points_array;
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*double* epsilon;
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if (*zend_parse_parameters*(ZEND_NUM_ARGS() TSRMLS_CC, *"zd"*, &points_array, &epsilon)
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== FAILURE) {
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return;
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}
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if (Z_TYPE_P(points_array) != IS_ARRAY) {
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return;
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}
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*ZEND_PARSE_PARAMETERS_START*(2, 2)
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Z_PARAM_*ARRAY*(points_array)
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*Z_PARAM_*DOUBLE(epsilon)
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ZEND_PARSE_PARAMETERS_END();
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]]></example>
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<break/>
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<blurb>%zend_parse_parameters%</blurb>
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<break lines="3"/>
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<list>
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<bullet>A format letter for every type</bullet>
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<bullet>A different macro for each different data type</bullet>
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<bullet>Matched with a C data type</bullet>
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<bullet>Cleaned up for you</bullet>
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<bullet>Tests for type matches</bullet>
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<bullet>Can deal with optional arguments too</bullet>
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</list>
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</slide>
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@@ -2,18 +2,22 @@
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<title>Parsing Input Parameters</title>
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<table>
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<tr><th>letter</th><th>variable</th><th>C data-type</th></tr>
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<tr><td>a</td><td>array</td><td>%zval*%</td></tr>
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<tr><td>b</td><td>boolean</td><td>%zend_bool%</td></tr>
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<tr><td>d</td><td>double</td><td>%double%</td></tr>
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<tr><td>l</td><td>long</td><td>%zend_long%</td></tr>
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<tr><td>O</td><td>object of specific type</td><td>%zval*%, %zend_class_entry%</td></tr>
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<tr><td>P</td><td>path</td><td>%zend_string*%</td></tr>
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<tr><td>s</td><td>string</td><td>%char*%, %size_t%</td></tr>
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<tr><td>S</td><td>string</td><td>%zend_string*%</td></tr>
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<tr><td>z</td><td>the actual zval</td><td>%zval*%</td></tr>
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<tr><th>macro</th><th>variable</th><th>C data-type</th></tr>
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<tr><td>Z_PARAM_ARRAY</td><td>array</td><td>%zval*%</td></tr>
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<tr><td>Z_PARAM_ARRAY_HT</td><td>array</td><td>%HashTable%</td></tr>
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<tr><td>Z_PARAM_BOOL</td><td>boolean</td><td>%zend_bool%</td></tr>
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<tr><td>Z_PARAM_DOUBLE</td><td>double</td><td>%double%</td></tr>
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<tr><td>Z_PARAM_LONG</td><td>long</td><td>%zend_long%</td></tr>
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<tr><td>Z_PARAM_OBJECT_OF_CLASS</td><td>object of specific type</td><td>%zval*%, %zend_class_entry%</td></tr>
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<tr><td>Z_PARAM_PATH</td><td>path</td><td>%zend_string*%</td></tr>
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<tr><td>Z_PARAM_STRING</td><td>string</td><td>%char*%, %size_t%</td></tr>
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<tr><td>Z_PARAM_STR</td><td>string</td><td>%zend_string*%</td></tr>
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</table>
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<break lines="2"/>
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<blurb class="centre">%docs/parameter-parsing-api.md%</blurb>
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<break lines="2"/>
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<image filename="inputs.jpg" attr="Clive Darra - https://www.flickr.com/photos/fsse-info/3414368958/ - CC-BY-SA"/>
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</slide>
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