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<?php $string = 'word1&word2 !word3 word4 &word5'; var_export( preg_split('/ |(?=[&!])/', $string, 0, PREG_SPLIT_NO_EMPTY) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => 'word1', 1 => '&word2', 2 => '!word3', 3 => 'word4', 4 => '&word5', )
preferences:
80.27 ms | 407 KiB | 5 Q