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<?php
namespace Illuminate\Database\Query;
use InvalidArgumentException;
class JsonExpression extends Expression { /** * The value of the expression. * * @var mixed */ protected $value;
/** * Create a new raw query expression. * * @param mixed $value * @return void */ public function __construct($value) { $this->value = $this->getJsonBindingParameter($value); }
/** * Translate the given value into the appropriate JSON binding parameter. * * @param mixed $value * @return string */ protected function getJsonBindingParameter($value) { switch ($type = gettype($value)) { case 'boolean': return $value ? 'true' : 'false'; case 'integer': case 'double': return $value; case 'string': return '?'; case 'object': case 'array': return '?'; }
throw new InvalidArgumentException('JSON value is of illegal type: '.$type); }
/** * Get the value of the expression. * * @return mixed */ public function getValue() { return $this->value; }
/** * Get the value of the expression. * * @return string */ public function __toString() { return (string) $this->getValue(); } }
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