Một số thủ thuật tối ưu khi lập trình PHP

Thảo luận trong 'ACM/Programming' bắt đầu bởi hackerkinhcan_lha, 29/06/13, 06:06 PM.

  1. GesSicDieri

    GesSicDieri Banned

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  2. bỜ rỒ

    bỜ rỒ W-------

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    Re: Một số thủ thuật tối ưu khi lập trình PHP

    Cái này là do hàm echo sẽ in lần lượt các biến phân cách bằng dấu phẩy ',' chứ không phải là nối chuỗi nha :D Ghi vậy là hiểu sai bản chất của nó rồi đấy
     
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  3. bỜ rỒ

    bỜ rỒ W-------

    Tham gia: 19/12/13, 03:12 PM
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    Re: Một số thủ thuật tối ưu khi lập trình PHP

    bỏ qua cái sự tiện lợi của " khi có biến trong string :D
    Ngay cả khi không có biến trong string thì trình biên dịch vẫn phải kiểm tra trong suốt chuỗi có biến nào được định nghĩa không và việc này sẽ làm chậm lại quá trình xử lý (test 10k vòng lặp thấy chậm hơn 4ms) :))
     
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