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Deprecated function: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in Drupal\Core\Url::fromUri() (line 281 of core/lib/Drupal/Core/Url.php).

Drupal\Core\Url::fromUri() (Line: 177)
Drupal\search_api_solr\Plugin\search_api\datasource\SolrDocument->getItemUrl() (Line: 1429)
Drupal\search_api\Plugin\views\field\SearchApiNumeric->getItemUrl() (Line: 1284)
Drupal\search_api\Plugin\views\field\SearchApiNumeric->getItems() (Line: 1195)
Drupal\views\Plugin\views\field\FieldPluginBase->advancedRender() (Line: 238)
template_preprocess_views_view_field()
call_user_func_array() (Line: 261)
Drupal\Core\Theme\ThemeManager->render() (Line: 490)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 1796)
Drupal\views\Plugin\views\field\FieldPluginBase->theme() (Line: 769)
Drupal\views\Plugin\views\style\StylePluginBase->elementPreRenderRow()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 708)
Drupal\views\Plugin\views\style\StylePluginBase->renderFields() (Line: 574)
Drupal\views\Plugin\views\style\StylePluginBase->renderGrouping() (Line: 462)
Drupal\views\Plugin\views\style\StylePluginBase->render() (Line: 2177)
Drupal\views\Plugin\views\display\DisplayPluginBase->render() (Line: 1593)
Drupal\views\ViewExecutable->render() (Line: 201)
Drupal\views\Plugin\views\display\Page->execute() (Line: 1690)
Drupal\views\ViewExecutable->executeDisplay() (Line: 81)
Drupal\views\Element\View::preRenderViewElement()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 238)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 637)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 231)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 128)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)

Deprecated function: parse_url(): Passing null to parameter #1 ($url) of type string is deprecated in Drupal\Core\Url::fromUri() (line 284 of core/lib/Drupal/Core/Url.php).

Drupal\Core\Url::fromUri() (Line: 177)
Drupal\search_api_solr\Plugin\search_api\datasource\SolrDocument->getItemUrl() (Line: 1429)
Drupal\search_api\Plugin\views\field\SearchApiNumeric->getItemUrl() (Line: 1284)
Drupal\search_api\Plugin\views\field\SearchApiNumeric->getItems() (Line: 1195)
Drupal\views\Plugin\views\field\FieldPluginBase->advancedRender() (Line: 238)
template_preprocess_views_view_field()
call_user_func_array() (Line: 261)
Drupal\Core\Theme\ThemeManager->render() (Line: 490)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 1796)
Drupal\views\Plugin\views\field\FieldPluginBase->theme() (Line: 769)
Drupal\views\Plugin\views\style\StylePluginBase->elementPreRenderRow()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 708)
Drupal\views\Plugin\views\style\StylePluginBase->renderFields() (Line: 574)
Drupal\views\Plugin\views\style\StylePluginBase->renderGrouping() (Line: 462)
Drupal\views\Plugin\views\style\StylePluginBase->render() (Line: 2177)
Drupal\views\Plugin\views\display\DisplayPluginBase->render() (Line: 1593)
Drupal\views\ViewExecutable->render() (Line: 201)
Drupal\views\Plugin\views\display\Page->execute() (Line: 1690)
Drupal\views\ViewExecutable->executeDisplay() (Line: 81)
Drupal\views\Element\View::preRenderViewElement()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 238)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 637)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 231)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 128)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)

Deprecated function: str_starts_with(): Passing null to parameter #1 ($haystack) of type string is deprecated in Drupal\Core\Url::fromUri() (line 289 of core/lib/Drupal/Core/Url.php).

Drupal\Core\Url::fromUri() (Line: 177)
Drupal\search_api_solr\Plugin\search_api\datasource\SolrDocument->getItemUrl() (Line: 1429)
Drupal\search_api\Plugin\views\field\SearchApiNumeric->getItemUrl() (Line: 1284)
Drupal\search_api\Plugin\views\field\SearchApiNumeric->getItems() (Line: 1195)
Drupal\views\Plugin\views\field\FieldPluginBase->advancedRender() (Line: 238)
template_preprocess_views_view_field()
call_user_func_array() (Line: 261)
Drupal\Core\Theme\ThemeManager->render() (Line: 490)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 1796)
Drupal\views\Plugin\views\field\FieldPluginBase->theme() (Line: 769)
Drupal\views\Plugin\views\style\StylePluginBase->elementPreRenderRow()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 708)
Drupal\views\Plugin\views\style\StylePluginBase->renderFields() (Line: 574)
Drupal\views\Plugin\views\style\StylePluginBase->renderGrouping() (Line: 462)
Drupal\views\Plugin\views\style\StylePluginBase->render() (Line: 2177)
Drupal\views\Plugin\views\display\DisplayPluginBase->render() (Line: 1593)
Drupal\views\ViewExecutable->render() (Line: 201)
Drupal\views\Plugin\views\display\Page->execute() (Line: 1690)
Drupal\views\ViewExecutable->executeDisplay() (Line: 81)
Drupal\views\Element\View::preRenderViewElement()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 238)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 637)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 231)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 128)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)

Dr. Michael Patrick Collins

Oakville, Ontario, Canada

Order of Canada

Member of the Order of Canada
Awarded on: 2021-11-16
Invested on: 2024-05-03
Michael Patrick Collins, C.M. Oakville, Ontario Michael Collins is one of Canada’s foremost experts in structural engineering. Professor emeritus at the University of Toronto, and a leader in studies on the behavior of reinforced concrete subject to shear, he helped develop more accurate codes of practice, methods of assessing structural failure, and procedures for repairing and strengthening structures in distress. He co-developed the seminal Modified Compression Field Theory, which has directly impacted the work of structural engineers worldwide. He is an outstanding researcher and mentor, and his academic publications have become international classics—a testament to his towering contributions.

The Governor General of Canada

Her Excellency the Right Honourable Mary Simon

The Governor General of Canada

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Dr. Michael Patrick Collins

Order of Canada

Member of the Order of Canada