php-coord/php-coord
PHPCoord is a PHP library to aid in handling coordinates. It can convert coordinates for a point from one system to another and also calculate distance between points.
时间：2013-02-12 14:40
solaris/php-moon-phase
Calculate the phases of the Moon in PHP.
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jfcherng/php-levenshtein-distance
Calculate the Levenshtein distance and edit progresses between two strings.
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alecrabbit/php-wcwidth
Calculate width of unicode strings rendered to a terminal
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byrokrat/checkdigit
Helper classes to calculate and validate ckecksums
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