phorge-phorge/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldText.php

<?php

final class PhabricatorStandardCustomFieldText
  extends PhabricatorStandardCustomField {

  public function getFieldType() {
    return 'text';
  }

  public function buildFieldIndexes() {
    $indexes = array();

    $value = $this->getFieldValue();
    if (strlen($value)) {
      $indexes[] = $this->newStringIndex($value);
    }

    return $indexes;
  }

  public function readApplicationSearchValueFromRequest(
    PhabricatorApplicationSearchEngine $engine,
    AphrontRequest $request) {

    return $request->getStr($this->getFieldKey());
  }

  public function applyApplicationSearchConstraintToQuery(
    PhabricatorApplicationSearchEngine $engine,
    PhabricatorCursorPagedPolicyAwareQuery $query,
    $value) {

    if (strlen($value)) {
      $query->withApplicationSearchContainsConstraint(
        $this->newStringIndex(null),
        $value);
    }
  }

  public function appendToApplicationSearchForm(
    PhabricatorApplicationSearchEngine $engine,
    AphrontFormView $form,
    $value,
    array $handles) {

    $form->appendChild(
      id(new AphrontFormTextControl())
        ->setLabel($this->getFieldName())
        ->setName($this->getFieldKey())
        ->setValue($value));
  }

}