问下 object(stdClass)[3]后面的[3]是什么意思?
array (size=2)
0 =>
object(stdClass)[3]
public 'name' => string 'name' (length=4)
public 'orgname' => string 'name' (length=4)
public 'table' => string 'www' (length=3)
public 'orgtable' => string 'www' (length=3)
public 'def' => string '' (length=0)
public 'db' => string 'runoob' (length=6)
public 'catalog' => string 'def' (length=3)
public 'max_length' => int 4
public 'length' => int 10
public 'charsetnr' => int 8
public 'flags' => int 4097
public 'type' => int 254
public 'decimals' => int 0