How to Split a String by Multiple Spaces or Tabs in PHP?

Separating Strings Using Multiple Spaces or Tabs

In programming, it is often necessary to split a string into smaller chunks based on specific criteria. One common use case is to explode a string by one or more spaces or tabs.

Consider the following scenario:

A      B      C      D

We wish to convert this string into an array element by element:

[A, B, C, D]

To achieve this, we can utilize the preg_split() function, which accepts a regular expression pattern as its first parameter and the string to be split as the second parameter. The pattern we need to specify is one that matches one or more consecutive spaces or tabs (s ).

In PHP, the code to perform this operation would be:

$str = "A      B      C      D";
$parts = preg_split('/\s+/', $str);

Now, the $parts array will contain the individual elements of the original string:

print_r($parts);
/*
Output:
Array
(
    [0] => A
    [1] => B
    [2] => C
    [3] => D
)
*/

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