TimeTrex/classes/payroll_deduction/US/IN.class.php

<?php
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/**
 * @package PayrollDeduction\US
 */
class PayrollDeduction_US_IN extends PayrollDeduction_US {

	var $state_options = [
			20170101 => [
					'rate'                => 3.23,
					'allowance'           => 1000, //Deduction Constant Table A for 1 allowance * 12 months.
					'dependant_allowance' => 1500, //Deduction Constant Table B for 1 allowance * 12 months.
			],
			20150101 => [
					'rate'                => 3.3,
					'allowance'           => 1000,
					'dependant_allowance' => 1500,
			],
			20060101 => [
					'rate'                => 3.4,
					'allowance'           => 1000,
					'dependant_allowance' => 1500,
			],
	];

	var $state_ui_options = [
			20060101 => [ 'wage_base' => 9500, 'new_employer_rate' => 2.5 ],
	];

	function getStateAnnualTaxableIncome() {
		$annual_income = $this->getAnnualTaxableIncome();
		$state_allowance = $this->getStateAllowanceAmount();
		$state_dependant_allowance = $this->getStateDependantAllowanceAmount();

		$income = bcsub( bcsub( $annual_income, $state_allowance ), $state_dependant_allowance );

		Debug::text( 'State Annual Taxable Income: ' . $income, __FILE__, __LINE__, __METHOD__, 10 );

		return $income;
	}

	function getStateAllowanceAmount() {
		$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
		if ( $retarr == false ) {
			return false;
		}

		$allowance_arr = $retarr['allowance'];

		$retval = bcmul( (float)$this->getUserValue1(), $allowance_arr );

		Debug::text( 'State Allowance Amount: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );

		return $retval;
	}

	function getStateDependantAllowanceAmount() {
		$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
		if ( $retarr == false ) {
			return false;
		}

		$allowance_arr = $retarr['dependant_allowance'];

		$retval = bcmul( (float)$this->getUserValue2(), $allowance_arr );

		Debug::text( 'State Dependant Allowance Amount: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );

		return $retval;
	}

	function _getStateTaxPayable() {
		$annual_income = $this->getStateAnnualTaxableIncome();

		$retval = 0;

		if ( $annual_income > 0 ) {
			$retarr = $this->getDataFromRateArray( $this->getDate(), $this->state_options );
			if ( $retarr == false ) {
				return false;
			}

			$rate = bcdiv( $retarr['rate'], 100 );
			$retval = bcmul( $annual_income, $rate );
		}

		if ( $retval < 0 ) {
			$retval = 0;
		}

		Debug::text( 'State Annual Tax Payable: ' . $retval, __FILE__, __LINE__, __METHOD__, 10 );

		return $retval;
	}
}

?>