"22", 3=>"33", 4=>"" ); print_r(count(array_filter($arr))); ?> http://www.bkjia.com/PHPjc/728106.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc">

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php计算数组不为空元素个数的方法_PHP教程

代码如下:


$arr = array( 
1=>"11", 
2=>"22", 
3=>"33", 
4=>"" 
); 
print_r(count(array_filter($arr))); 
?> 


http://www.bkjia.com/PHPjc/728106.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/728106.htmlTechArticle 代码如下:
?php $arr = array( 1="11", 2="22", 3="33", 4="" ); print_r(count(array_filter($arr))); ?...