PHP String Functions

• String Functions Tutorial
  • PHP String Functions

    In this tutorial you will learn about some common string functions in PHP. This includes:

    1. Length of a string
    2. Splitting the string into an array
    3. Joining array elements into a single string
    4. Repeat the similar string into multiple times
    5. Remove the HTML tags from a string

    1. Length of a string

    The function 'strlen' is used to return the length of the string that is passed as an argument.

    Syntax:

    strlen(stringname);

    Example:

    $string="Baskar";

    strlen($string); Output : 6

    2. Splitting a string into an array

    The function 'explode' is used to split a string into an array using a separator. It takes the separator and the string as its argument.

    Syntax:

    explode(separator,stringname);

    Example:

    $string="11-02-2005"

    explode("-",$string); Output : 11 in array[0] , 02 in array[1] , 2005 in array[2]

    3. Joining the array elements into a single string

    The function 'join' is used to join various array elements into a single string. Alternatively 'implode' can also be used to join array elements into a string.

    Syntax:

    join(separator,arrayname);
    (or)
    implode(separator,arrayname);

    Example:

    $arraystring=array("s","baskar","shun");

    implode("/",$arraystring); Output : s/baskar/shun

    4. Repeating a string 'n' times

    The function 'str_repeat' is used to repeat a given string 'n' times. The function takes the string and the number of times to be repeated as its argument.

    Syntax:

    str_repeat($string,integervalue);

    Example:

    str_repeat("dd",3); Output : dddddd

    5. Remove HTML tags from the string

    The function 'strip_tags' is used to remove the HTML tags present in a string by taking the string as its argument.

    Syntax:

    strip_tags($string);

    Example:

    strip_tags("Baskar s <br> Name",3); Output : Baskar S Name

    That' it you've learnt about some common string functions used in PHP.

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