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Editing: NumericValidator.php
<?php namespace PayPal\Validation; /** * Class NumericValidator * * @package PayPal\Validation */ class NumericValidator { /** * Helper method for validating an argument if it is numeric * * @param mixed $argument * @param string|null $argumentName * @return bool */ public static function validate($argument, $argumentName = null) { if (trim($argument) != null && !is_numeric($argument)) { throw new \InvalidArgumentException("$argumentName is not a valid numeric value"); } return true; } }
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