在两者之间用AND将数组内爆


implode the array by AND in between

我有这个

$myarr = Array(
    0 => "Person.id = PL.id AND AIG.id = PL.key,"
    1 => "start_date BETWEEN  '$startDate' AND  '$endDate'",
    2 => "J = 78349",   
    3 => "text is not null;"
)

我想用一个类似AND的内爆这个数组

implode("AND", $myarr) 

但它不是,而是数组的4个元素之间的AND。我该如何在数组的这4个元素之间加一个AND。

$string = implode(" AND ",$myarr);

这应该很好用。它将把输出写入$string。