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Reference Number Value
PREG_SPLIT_NO_EMPTY Causes empty substrings to be discarded.
PREG_SPLIT_DELIM_CAPTURE Causes any references inside pattern to be captured and returned as part of the function's output.
PREG_SPLIT_OFFSET_CAPTURE Causes the position of each substring to be returned as part of the function's output (similar to PREG_OFFSET_CAPTURE in preg_match()).
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