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/
core
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vendor
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paypal
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rest-api-sdk-php
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lib
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PayPal
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Validation
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NumericValidator.php
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<?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; } }