PHP Array Functions

explode() Function

Definition and Usage

The explode() function breaks a string into an array.

Note:
  • The "separator" parameter cannot be an empty string.

    • Syntax

    explode(separator,string,limit)


    Parameter Description
    separator Required. Specifies where to break the string
    string Required. The string to split
    limit Optional. Specifies the number of array elements to return.

    Possible values:

    • Greater than 0 - Returns an array with a maximum of limit element(s)
    • Less than 0 - Returns an array except for the last -limit elements()
    • 0 - Returns an array with one element

    Example 1

    Break a string into an array:

    <?php
    $str = "Hello world. It's a beautiful day.";
    print_r (explode(" ",$str));
    ?>

    Run Example>>



    Example 2

    Using the limit parameter to return a number of array elements:

    <?php
    $str = 'one,two,three,four';

    // zero limit
    print_r(explode(',',$str,0));

    // positive limit
    print_r(explode(',',$str,2));

    // negative limit
    print_r(explode(',',$str,-1));
    ?>

    Run Example>>