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<?php $str = ' one! two: three; '; print_r(str_word_count($str, 1)); print_r(preg_split("/\s+/",trim($str))); print_r(array_filter(explode(' ', implode(' ', array_map('trim', explode("\n", $string))))));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => one [1] => two [2] => three ) Array ( [0] => one! [1] => two: [2] => three; ) Warning: Undefined variable $string in /in/sB97U on line 12 Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /in/sB97U on line 12 Array ( )
Output for 8.0.0 - 8.0.30
Array ( [0] => one [1] => two [2] => three ) Array ( [0] => one! [1] => two: [2] => three; ) Warning: Undefined variable $string in /in/sB97U on line 12 Array ( )
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Array ( [0] => one [1] => two [2] => three ) Array ( [0] => one! [1] => two: [2] => three; ) Notice: Undefined variable: string in /in/sB97U on line 12 Array ( )
Output for 7.3.32 - 7.3.33
Array ( [0] => one [1] => two [2] => three ) Array ( [0] => one! [1] => two: [2] => three; ) Array ( )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Array ( [0] => one [1] => two [2] => three ) Array ( [0] => one! [1] => two: [2] => three; ) Notice: Undefined variable: string in /in/sB97U on line 12 Array ( )

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