--- title: New in Symfony 7.1: Expanding UniqueEntity Constraint to... description: Symfony 7.1 introduces an improvement to the UniqueEntity constraint, allowing it to check uniqueness on any PHP class, not just Doctrine entities. canonical: https://daily.dev/posts/new-in-symfony-7-1-expanding-uniqueentity-constraint-to-any-php-class-symfony-blog--3g5shlkqe twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: New in Symfony 7.1: Expanding UniqueEntity Constraint to Any PHP Class (Symfony Blog) | daily.dev og:description: Symfony 7.1 introduces an improvement to the UniqueEntity constraint, allowing it to check uniqueness on any PHP class, not just Doctrine entities. og:url: https://daily.dev/posts/new-in-symfony-7-1-expanding-uniqueentity-constraint-to-any-php-class-symfony-blog--3g5shlkqe og:image: https://api.daily.dev/og/posts/3G5SHLkQE.png og:image:alt: New in Symfony 7.1: Expanding UniqueEntity Constraint to Any PHP Class (Symfony Blog) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # New in Symfony 7.1: Expanding UniqueEntity Constraint to Any PHP Class (Symfony Blog) **[Symfony](https://daily.dev/sources/symfony)** · 2 min read · 0 upvotes · 0 comments ## Summary Symfony 7.1 introduces an improvement to the UniqueEntity constraint, allowing it to check uniqueness on any PHP class, not just Doctrine entities. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#symfony](https://daily.dev/tags/symfony) [View this post on daily.dev](https://daily.dev/posts/new-in-symfony-7-1-expanding-uniqueentity-constraint-to-any-php-class-symfony-blog--3g5shlkqe) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"New in Symfony 7.1: Expanding UniqueEntity Constraint to Any PHP Class (Symfony Blog)","url":"https://daily.dev/posts/new-in-symfony-7-1-expanding-uniqueentity-constraint-to-any-php-class-symfony-blog--3g5shlkqe","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/new-in-symfony-7-1-expanding-uniqueentity-constraint-to-any-php-class-symfony-blog--3g5shlkqe"},"datePublished":"2024-05-14T07:50:18.191Z","dateModified":"2024-05-14T07:50:16.539Z","description":"Symfony 7.1 introduces an improvement to the UniqueEntity constraint, allowing it to check uniqueness on any PHP class, not just Doctrine entities.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/327b244859fddae8f3a20d0225898aa0?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/327b244859fddae8f3a20d0225898aa0?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Symfony","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Symfony","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/cc07051b7112472f9729e73c14660a64","url":"https://daily.dev/sources/symfony"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/new-in-symfony-7-1-expanding-uniqueentity-constraint-to-any-php-class-symfony-blog--3g5shlkqe","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"symfony","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Symfony","item":"https://daily.dev/sources/symfony"},{"@type":"ListItem","position":3,"name":"New in Symfony 7.1: Expanding UniqueEntity Constraint to Any PHP Class (Symfony Blog)"}]} ```