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<?php $string = "ABCDE \t\n\r\x0B\x0C\0\x20\x0e\x20\x0f"; $array = array(); $array[] = trim($string); $array[] = preg_replace('/\s+/', '', $string); $array[] = preg_replace('/\s\s+/', '', $string); $array[] = trim(preg_replace('/[\s\t\n\r\s]+/', '', $string)); $array[] = preg_replace('/~\x{00a0}~siu/', '', $string); $array[] = str_replace(array(" ", "\t", "\n", "\r", "\x0B", "\x0C", "\0", "\x20\x0e"), '', $string); var_dump($array);
Output for 5.4.41 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(6) { [0]=> string(16) "ABCDE  " [1]=> string(8) "ABCDE" [2]=> string(10) "ABCDE  " [3]=> string(8) "ABCDE" [4]=> string(16) "ABCDE  " [5]=> string(7) "ABCDE" }
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.40
array(6) { [0]=> string(16) "ABCDE  " [1]=> string(9) "ABCDE " [2]=> string(12) "ABCDE  " [3]=> string(9) "ABCDE " [4]=> string(16) "ABCDE  " [5]=> string(7) "ABCDE" }
Output for 4.3.0 - 4.3.2
array(6) { [0]=> string(16) "ABCDE  " [1]=> string(8) "ABCDE" [2]=> string(10) "ABCDE  " [3]=> string(9) "ABCDE " [4]=> string(16) "ABCDE  " [5]=> string(7) "ABCDE" }
preferences:
206.39 ms | 402 KiB | 310 Q