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Deprecate colon prefix for prepared statement parameters #4407

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Nov 4, 2020
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Deprecate colon prefix for prepared statement parameters #4407

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17 changes: 17 additions & 0 deletions UPGRADE.md
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@@ -1,5 +1,22 @@
# Upgrade to 2.12

## Deprecated colon prefix for prepared statement parameters

The usage of the colon prefix when binding named parameters is deprecated.

```php
$sql = 'SELECT * FROM users WHERE name = :name OR username = :username';
$stmt = $conn->prepare($sql);

// The usage of the leading colon is deprecated
$stmt->bindValue(':name', $name);

// Only the parameter name should be passed
$stmt->bindValue('username', $username);

$stmt->execute();
```

## PDO signature changes with php 8

In php 8.0, the method signatures of two PDO classes which are extended by DBAL have changed. This affects the following classes:
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