The start of something beautiful

vendor/doctrine/collections/src/Expr/Comparison.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Common\Collections\Expr;
+
+/**
+ * Comparison of a field with a value by the given operator.
+ */
+class Comparison implements Expression
+{
+    final public const EQ          = '=';
+    final public const NEQ         = '<>';
+    final public const LT          = '<';
+    final public const LTE         = '<=';
+    final public const GT          = '>';
+    final public const GTE         = '>=';
+    final public const IS          = '='; // no difference with EQ
+    final public const IN          = 'IN';
+    final public const NIN         = 'NIN';
+    final public const CONTAINS    = 'CONTAINS';
+    final public const MEMBER_OF   = 'MEMBER_OF';
+    final public const STARTS_WITH = 'STARTS_WITH';
+    final public const ENDS_WITH   = 'ENDS_WITH';
+
+    private readonly Value $value;
+
+    public function __construct(private readonly string $field, private readonly string $op, mixed $value)
+    {
+        if (! ($value instanceof Value)) {
+            $value = new Value($value);
+        }
+
+        $this->value = $value;
+    }
+
+    /** @return string */
+    public function getField()
+    {
+        return $this->field;
+    }
+
+    /** @return Value */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /** @return string */
+    public function getOperator()
+    {
+        return $this->op;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function visit(ExpressionVisitor $visitor)
+    {
+        return $visitor->walkComparison($this);
+    }
+}