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<?php |
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/** |
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* @author Jared King <[email protected]> |
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* |
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* @link http://jaredtking.com |
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* |
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* @copyright 2015 Jared King |
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* @license MIT |
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*/ |
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namespace JAQB\Statement; |
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class SelectStatement extends Statement |
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{ |
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/** |
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* @var array |
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*/ |
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protected $fields = ['*']; |
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/** |
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* Adds fields to this statement. |
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* Supported input styles: |
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* - addFields('field1,field2') |
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* - addFields(['field','field2']). |
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* |
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* @param string|array $fields |
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* |
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* @return self |
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*/ |
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View Code Duplication |
public function addFields($fields) |
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{ |
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if (!is_array($fields)) { |
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$fields = array_map(function ($f) { |
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return trim($f); |
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}, explode(',', $fields)); |
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} |
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$this->fields = array_merge($this->fields, $fields); |
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return $this; |
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} |
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public function clearFields() |
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{ |
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$this->fields = []; |
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return $this; |
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} |
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/** |
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* Gets the fields associated with this statement. |
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* If no fields are present then defaults to '*'. |
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* |
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* @return array fields |
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*/ |
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public function getFields() |
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{ |
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return $this->fields; |
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} |
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public function build() |
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{ |
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$fields = $this->getFields(); |
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foreach ($fields as &$field) { |
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$field = $this->escapeIdentifier($field); |
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} |
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// remove empty values |
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$fields = array_filter($fields); |
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if (count($fields) === 0) { |
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return ''; |
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} |
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return 'SELECT '.implode(', ', $fields); |
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} |
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} |
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jaredtking /
jaqb
