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run code in 150+ php & hhvm versions
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<?php $string = "AARON'S INC                  "; $sanitize = preg_replace('/\s/', '', $string); var_dump($string); var_dump($sanitize);
based on fumgl
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(47) "AARON'S INC                  " string(46) "AARON'SINC                  "