这是我处理的多维数组的例子格式:多维数组破灭
Array (
[1] => Array ([code] => PPJ3 [street] => 34412 Fake Street [city] => Detroit [state] => MI [zip] => 48223 [county] => Wayne [cost] => 432.00)
[2] => Array ([code] => PLK3 [street] => 73517 Fake Street [city] => Detroit [state] => MI [zip] => 48223 [county] => Wayne [cost] => 54.00)
[3] => Array ([code] => HYK2 [street] => 55224 Fake Street [city] => Detroit [state] => MI [zip] => 48208 [county] => Wayne [cost] => 345.00)
)
我想设置一个隐藏字段只有代码值,并将它以逗号分隔。该数组还需要循环,因为它会一直改变。 这是我想什么它看起来像:
$ myHiddenField = PPJ3,PLK3,HYK2
是什么编码这种简单的方式?