我有两个数组: 1.这里的每个对象都是从数据库中检索到的行。
array
1 =>
object(stdClass)[41]
public 'id' => string '1' (length=1)
public 'class_id' => string '25' (length=2)
public 'section_id' => string '2' (length=1)
public 'student_id' => string '1' (length=1)
public 'date' => string '2011-11-27' (length=10)
public 'attendance' => string 'present' (length=7)
2 =>
object(stdClass)[41]
public 'id' => string '1' (length=1)
public 'class_id' => string '25' (length=2)
public 'section_id' => string '2' (length=1)
public 'student_id' => string '3' (length=1)
public 'date' => string '2011-11-27' (length=10)
public 'attendance' => string 'present' (length=7)
另一个数组来自我的表单,它看起来像这样。
array
0 =>
array
'class_id' => string '25' (length=2)
'section_id' => string '2' (length=1)
'student_id' => int 1
'date' => string '2011-11-27 00:00:00' (length=19)
'attendance' => string 'present' (length=7)
1 =>
array
'class_id' => string '25' (length=2)
'section_id' => string '2' (length=1)
'student_id' => int 2
'date' => string '2011-11-27 00:00:00' (length=19)
'attendance' => string 'present' (length=7)
这里我想做的是:
比较这两个数据,检查关键字student_id和date是否已经在数据库中,或者是来自表单数据的第二个数组中的not.and,删除重复项并插入到数据中。
最终结果应该是:
array
0 =>
array
'class_id' => string '25' (length=2)
'section_id' => string '2' (length=1)
'student_id' => int 2
'date' => string '2011-11-27 00:00:00' (length=19)
'attendance' => string 'present' (length=7)
发布于 2015-08-18 22:28:40
通过将SORT REGULAR标志设置为参数来补充DemoUser的anwer,解决了我的“将数组转换为字符串”的问题:
$c = array_merge($a,$b);
$d = array_unique($c, SORT_REGULAR);
var_dump($d);
https://stackoverflow.com/questions/8292032
复制相似问题