php去除重複陣列值的方法：先開啟對應的PHP程式碼檔案；然後透過「array_unique($ordernum);」去掉重複的字串；最後輸出去重後的陣列即可。
本文操作環境：windows7系統、PHP7.1版，DELL G3電腦
php移除陣列中重複值,並傳回結果!
$data = db('order')->field('ordernum')->where(array('user_id' => $user_id))->select();
查詢的陣列格式
array(16) {
[0] => array(1) {
["ordernum"] => string(18) "190415165656156213"
}
[1] => array(1) {
["ordernum"] => string(18) "190415165656156213"
}
[2] => array(1) {
["ordernum"] => string(18) "190415165656156213"
}
[3] => array(1) {
["ordernum"] => string(18) "190415170056183687"
}
[4] => array(1) {
["ordernum"] => string(18) "190415170056183687"
}
[5] => array(1) {
["ordernum"] => string(18) "190415170056183687"
}
[6] => array(1) {
["ordernum"] => string(18) "190415170345120966"
}
[7] => array(1) {
["ordernum"] => string(18) "190415170345120966"
}
[8] => array(1) {
["ordernum"] => string(18) "190415170345120966"
}
[9] => array(1) {
["ordernum"] => string(18) "190416174929158053"
}
[10] => array(1) {
["ordernum"] => string(18) "190416174929158053"
}
[11] => array(1) {
["ordernum"] => string(18) "190416194457158437"
}
[12] => array(1) {
["ordernum"] => string(18) "190416194457158437"
}
[13] => array(1) {
["ordernum"] => string(18) "190416195027154990"
}
[14] => array(1) {
["ordernum"] => string(18) "190416195027154990"
}
[15] => array(1) {
["ordernum"] => string(18) "190417124518178758"
}
}
foreach ($data as $k => $v) {
$ordernum[] = $v['ordernum'];
}ordernum陣列格式【推薦學習：PHP影片教學】
array(16) {
[0] => string(18) "190415165656156213"
[1] => string(18) "190415165656156213"
[2] => string(18) "190415165656156213"
[3] => string(18) "190415170056183687"
[4] => string(18) "190415170056183687"
[5] => string(18) "190415170056183687"
[6] => string(18) "190415170345120966"
[7] => string(18) "190415170345120966"
[8] => string(18) "190415170345120966"
[9] => string(18) "190416174929158053"
[10] => string(18) "190416174929158053"
[11] => string(18) "190416194457158437"
[12] => string(18) "190416194457158437"
[13] => string(18) "190416195027154990"
[14] => string(18) "190416195027154990"
[15] => string(18) "190417124518178758"
}
$ordernum = array_unique($ordernum); //去掉重复的字符串去重後ordernum 陣列格式
array(7) {
[0] => string(18) "190415165656156213"
[3] => string(18) "190415170056183687"
[6] => string(18) "190415170345120966"
[9] => string(18) "190416174929158053"
[11] => string(18) "190416194457158437"
[13] => string(18) "190416195027154990"
[15] => string(18) "190417124518178758"
}
foreach ($ordernum as $k => $v) {
$new_ordernum[] = $v; //拆分后的重组
}產生的新數組格式
array(7) {
[0] => string(18) "190415165656156213"
[1] => string(18) "190415170056183687"
[2] => string(18) "190415170345120966"
[3] => string(18) "190416174929158053"
[4] => string(18) "190416194457158437"
[5] => string(18) "190416195027154990"
[6] => string(18) "190417124518178758"
}以上是php怎麼去除重複數組值的詳細內容。更多資訊請關注PHP中文網其他相關文章！
