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Thread: Add Prefix & Suffix values to each string in PHP

  1. #1
    Join Date
    Jan 2018
    Posts
    9

    Add Prefix & Suffix values to each string in PHP

    Hi,


    I need to Add prefix & suffix in some values.


    Example :

    1. I'm Assigning $value = 1234
    2. $prefix = a
    3. $Suffix = b
    4. The output will be like a1ba2ba3ba4b


    May I know the procedure or sample coding in PHP?

  2. #2
    Join Date
    Mar 2007
    Location
    localhost
    Posts
    5,860
    You can use sprintf() to do that
    PHP Code:
    function wrapit( &$val ){
        
    $val sprintf("a%sb"$val);

    where $val is the number you want your a & b wrapped around.

    Another way would be to convert the $value in to an array with the explode() function, use an array_walk type function to apply to each value the a & b to the stored value and store it back in its original place then use the php implode() function to join the elements back in to an array.
    PHP Code:
    $value explode(""$value);
    array_walk( &$valuewrapit )
    $value implode(""$value);
    echo 
    $value
    (something like that)
    You could use a simple function that uses the sprintf() as demonstrated as the function call and return value without need of assigning other variables or intermediate stages of string manipulation.

    With a bit of tinkering I am sure that you will get this working.
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  3. #3
    Join Date
    Aug 2004
    Location
    Ankh-Morpork
    Posts
    22,328
    Or...
    PHP Code:
    $value '12345';
    $output preg_replace('/\d/''a\\0b'$value);
    echo 
    $output
    Output:
    Code:
    a1ba2ba3ba4ba5b
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