pewc_calculation_look_up_tables.php

<?php
/**
 * Create a look up table for calculation fields
 */
function my_prefix_calculation_look_up_tables() {

	// The key is the x axis value / the value is a second array where the key is the y axis and the value is the value to be returned
	$tables = array(
		'wooden_blinds'=> array(
			'60'		=> array(
				'60'	=> 118,
				'80'	=> 131,
				'100'	=> 143,
				'120'	=> 156,
				'140'	=> 169,
				'160'	=> 183,
				'180'	=> 196,
				'200'	=> 210,
				'220'	=> 223,
				'240'	=> 235
			),
			'80'		=> array(
				'60'	=> 144,
				'80'	=> 161,
				'100'	=> 178,
				'120'	=> 195,
				'140'	=> 213,
				'160'	=> 230,
				'180'	=> 248,
				'200'	=> 265,
				'220'	=> 282,
				'240'	=> 301
			),
			'100'		=> array(
				'60'	=> 178,
				'80'	=> 198,
				'100'	=> 218,
				'120'	=> 241,
				'140'	=> 263,
				'160'	=> 285,
				'180'	=> 307,
				'200'	=> 328,
				'220'	=> 351,
				'240'	=> 372
			),
			'120'		=> array(
				'60'	=> 208,
				'80'	=> 232,
				'100'	=> 257,
				'120'	=> 284,
				'140'	=> 309,
				'160'	=> 336,
				'180'	=> 363,
				'200'	=> 388,
				'220'	=> 415,
				'240'	=> 441
			),
			'140'		=> array(
				'60'	=> 233,
				'80'	=> 262,
				'100'	=> 291,
				'120'	=> 322,
				'140'	=> 353,
				'160'	=> 383,
				'180'	=> 414,
				'200'	=> 445,
				'220'	=> 475,
				'240'	=> 506
			),
			'160'		=> array(
				'60'	=> 271,
				'80'	=> 304,
				'100'	=> 337,
				'120'	=> 371,
				'140'	=> 407,
				'160'	=> 442,
				'180'	=> 477,
				'200'	=> 513,
				'220'	=> 548,
				'240'	=> 582
			),
			'180'		=> array(
				'60'	=> 296,
				'80'	=> 334,
				'100'	=> 371,
				'120'	=> 411,
				'140'	=> 450,
				'160'	=> 490,
				'180'	=> 530,
				'200'	=> 568,
				'220'	=> 608,
				'240'	=> 647
			),
			'200'		=> array(
				'60'	=> 322,
				'80'	=> 364,
				'100'	=> 406,
				'120'	=> 449,
				'140'	=> 493,
				'160'	=> 537,
				'180'	=> 581,
				'200'	=> 625,
				'220'	=> 669,
				'240'	=> 712
			),
			'220'		=> array(
				'60'	=> 360,
				'80'	=> 406,
				'100'	=> 450,
				'120'	=> 499,
				'140'	=> 548,
				'160'	=> 596,
				'180'	=> 644,
				'200'	=> 692,
				'220'	=> 740,
				'240'	=> 789
			),
			'240'		=> array(
				'60'	=> 386,
				'80'	=> 435,
				'100'	=> 485,
				'120'	=> 538,
				'140'	=> 591,
				'160'	=> 643,
				'180'	=> 696,
				'200'	=> 749,
				'220'	=> 801,
				'240'	=> 853
			),
			'260'		=> array(
				'60'	=> 423,
				'80'	=> 477,
				'100'	=> 531,
				'120'	=> 587,
				'140'	=> 645,
				'160'	=> 702,
				'180'	=> 759,
				'200'	=> 816,
				'220'	=> 873,
				'240'	=> 930
			),
			'280'		=> array(
				'60'	=> 449,
				'80'	=> 507,
				'100'	=> 565,
				'120'	=> 627,
				'140'	=> 688,
				'160'	=> 750,
				'180'	=> 811,
				'200'	=> 873,
				'220'	=> 934,
				'240'	=> 995
			),
			'300'		=> array(
				'60'	=> 475,
				'80'	=> 537,
				'100'	=> 599,
				'120'	=> 666,
				'140'	=> 732,
				'160'	=> 797,
				'180'	=> 863,
				'200'	=> 929,
				'220'	=> 994,
				'240'	=> 1060
			),
		),
	);

	return $tables;

}
add_filter( 'pewc_calculation_look_up_tables', 'my_prefix_calculation_look_up_tables' );