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<?php $string = 'Hello. A question? How strange! Maybe even surreal!? Who knows.'; var_export( preg_split( '/(!\?|[!?.])/', $string, 0, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ) );
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array ( 0 => 'Hello', 1 => '.', 2 => ' A question', 3 => '?', 4 => ' How strange', 5 => '!', 6 => ' Maybe even surreal', 7 => '!?', 8 => ' Who knows', 9 => '.', )
preferences:
84.52 ms | 407 KiB | 5 Q