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A Developer's Broadsheet

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Thursday, December 08, 2005
PHP: matrix walk
As for a proximity search where values are laid out on a 2-dimensional grid:

$steps = ceil(( abs($VAL1[0]-$VAL2[0]) + abs($VAL1[1]-$VAL2[1]) ) / 2)


keywords: PHP, search, fuzzy, grid, walk
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