PHP/Data Structure/array sum — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 13:37, 26 мая 2010
array_sum
<source lang="html4strict">
<?php
$grades = array(42,"hello",42); $total = array_sum($grades); print $total;
?>
</source>
Finding the Sum and Average of the Values in an Array
<source lang="html4strict">
<?php function array_average($array) {
$retval = FALSE; if(is_array($array) && count($array)) $retval = array_sum($array) / count($array); return $retval;
} $scores = array("R" => 8.5, "Jan" => 9.8, "Terry" => 8.0);
printf("There are %d scores, totaling %.2f and averaging %.2f.
",count($scores), array_sum($scores), array_average($scores)); ?>
</source>