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run code in 150+ php & hhvm versions
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<?php function smart_uc_words($string) { $string = strtolower(trim($string)); // Capitalise any word char preceded by a non-word char other than an apostrophe $string = preg_replace_callback('/(?<!\w|\')(\w)/', function($m){ return strtoupper($m[1]); }, $string); // Capitalise any word char which comes between an apostrophe and another word char $string = preg_replace_callback('/(?<=\')(\w)(?=\w)/', function($m){ return strtoupper($m[1]); }, $string); return $string; } echo smart_uc_words("s'hertogengebosch");
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
S'Hertogengebosch
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/JDqeq on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/JDqeq on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/JDqeq on line 7
Process exited with code 255.