Escapes a field name string.

Force all field names to be strictly alphanumeric-plus-underscore. For some database drivers, it may also wrap the field name in database-specific escape characters.

Parameters

string $field: An unsanitized field name.

Return value

string The sanitized field name.

2 calls to Connection::escapeField()

Connection::escapeField in core/lib/Drupal/Core/Database/Driver/mysql/Connection.php

Escapes a field name string.

Connection::escapeField in core/lib/Drupal/Core/Database/Driver/pgsql/Connection.php

Escapes a field name string.

2 methods override Connection::escapeField()

Connection::escapeField in core/lib/Drupal/Core/Database/Driver/mysql/Connection.php

Escapes a field name string.

Connection::escapeField in core/lib/Drupal/Core/Database/Driver/pgsql/Connection.php

Escapes a field name string.

File

core/lib/Drupal/Core/Database/Connection.php, line 1028

Class

Connection

Base Database API class.

Namespace

Drupal\Core\Database

Code

public function escapeField($field) {
  if (!isset($this->escapedNames[$field])) {
    $this->escapedNames[$field] = preg_replace('/[^A-Za-z0-9_.]+/', '', $field);
  }
  return $this->escapedNames[$field];
}

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