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    Add a leading zero to numbers – Sprintf

    18th February 2019

    Php - Maths

    php codehaven

    Problem: I have some code that displays
    1,2,3,4,5
    but I need
    01,02,03,04,05

    Answer below: –
    (the %02d shows 1 zero before, change this to %02d and it will be 001)

    1
    2
    3
    4
     
    $number = 1;
    echo $newchain = sprintf('%02d', $number);
     

    Output 01

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