อ่าน 1 นาที
คุณคิดว่าฟังก์ชั่น TRIM เอาไว้ทำอะไร?
หลายคนอาจคิดว่ามันแค่เอาไว้ตัด space หัวท้ายของคำเท่านั้น ….
แต่จริงๆ มันตัด space โดยจะเหลือ space ระหว่างคำไว้ให้แค่สูงสุด 1 เคาะเท่านั้น space ตัวอื่นๆจะถูกตัดทิ้งทั้งหมดครับ ตามรูป
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