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 $string: An unsanitized field name.

Return value

string The sanitized field name string.

2 methods override SelectInterface::escapeField()

Select::escapeField in core/lib/Drupal/Core/Database/Query/Select.php

Escapes a field name string.

SelectExtender::escapeField in core/lib/Drupal/Core/Database/Query/SelectExtender.php

Escapes a field name string.

File

core/lib/Drupal/Core/Database/Query/SelectInterface.php, line 152

Class

SelectInterface

Interface definition for a Select Query object.

Namespace

Drupal\Core\Database\Query

Code

public function escapeField($string);

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