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Ce document utilise Manuel du site Web PHP chinois Libérer
(PECL trader >= 0.2.0)
trader_rocr100 — Rate of change ratio 100 scale: (price/prevPrice)*100
$real
[, integer $timePeriod
] )
real
浮点数数组。
timePeriod
Number of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.