preg_split

Split string by a regular expression.

preg_split Function synopsis

preg_split(
    string $pattern,
    string $subject,
    int $limit = -1,
    int $flags = 0
  ): array|false

Parameters

$pattern

Typestring

The pattern to search for, as a string.

$subject

Typestring

The input string.

$limit

OptionalTypeintDefault value-1

If specified, then only substrings up to $limit are returned with the rest of the string being placed in the last substring. A $limit of -1 or 0 means "no limit".

$flags

OptionalTypeintDefault value0

$flags can be any combination of the following flags (combined with the | bitwise operator):

$flags accepts the following constant value

• PREG_SPLIT_NO_EMPTY

Return value

Typearray|false

Returns an array containing substrings of $subject split along boundaries matched by $pattern, or false on failure.