เป็นเพราะอะไร ครับ
โค้ดที่ใช้
โค้ด: เลือกทั้งหมด
$arr_average = array();
foreach ($arr as $value) {
$arr_average[] = $value - 10.5;
}
โค้ด: เลือกทั้งหมด
Notice: A non well formed numeric value encountered in /opt/lampp/htdocs/tools_keyword_youtube/tools/tools_average/index.php on line 183
Notice: A non well formed numeric value encountered in /opt/lampp/htdocs/tools_keyword_youtube/tools/tools_average/index.php on line 183
Notice: A non well formed numeric value encountered in /opt/lampp/htdocs/tools_keyword_youtube/tools/tools_average/index.php on line 183
Notice: A non well formed numeric value encountered in /opt/lampp/htdocs/tools_keyword_youtube/tools/tools_average/index.php on line 183
Notice: A non well formed numeric value encountered in /opt/lampp/htdocs/tools_keyword_youtube/tools/tools_average/index.php on line 183
โค้ด: เลือกทั้งหมด
$arr_average[] = $value - 10.5;