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34 lines
604 B
Markdown
34 lines
604 B
Markdown
---
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date: 2020-11-16
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id: 3a90ffd1-7d51-4ade-ad6e-8924c15d956d
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title: ExpressionLanguageSyntax Constraint
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---
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# Description
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Checks that passed [expression
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language](20201109150640-expressionlanguage_constraint) is valid.
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# Syntax
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``` php
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namespace App\Entity;
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use Symfony\Component\Validator\Constraints as Assert;
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class Order
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{
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/**
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* @Assert\ExpressionLanguageSyntax()
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*/
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protected $promotion;
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/**
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* @Assert\ExpressionLanguageSyntax(
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* names = ['user', 'shipping_centers'],
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* validateNames = true
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* )
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*/
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protected $shippingOptions;
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}
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```
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