(PHP 4 >= 4.0.4, PHP 5, PHP 7)
array_sum — 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值锟斤拷锟�
array锟斤拷锟斤拷锟斤拷锟斤拷椤�
锟斤拷锟斤拷值锟侥猴拷锟斤拷锟斤拷锟斤拷锟津浮碉拷锟斤拷锟侥斤拷锟斤拷锟斤拷兀锟�array 为锟斤拷时锟津返伙拷 0锟斤拷
Example #1 array_sum() 锟斤拷锟斤拷
<?php
$a = array(2, 4, 6, 8);
echo "sum(a) = " . array_sum($a) . "\n";
$b = array("a" => 1.2, "b" => 2.3, "c" => 3.4);
echo "sum(b) = " . array_sum($b) . "\n";
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
sum(a) = 20 sum(b) = 6.9