3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $sentence = '{wordone|wordtwo {wordthree|wordfour}}'; $sentences = []; for($i = 0; $i < 20; $i++) { $sentences[] = sentence_spinning($sentence); } var_dump(array_values(array_unique($sentences))); function sentence_spinning($str) { do { $str = preg_replace_callback('#\{([^{}]*)\}#', function($matches) { return explode('|', $matches[1])[mt_rand(0, substr_count($matches[1], '|'))]; }, $str, -1, $count); } while ($count !== 0); return $str; }
Output for 5.4.2, 5.4.14, 5.4.17, 5.4.32, 5.4.36, 5.4.38, 5.4.42, 5.5.9, 5.5.20, 5.5.25, 5.5.34, 7.1.0
array(3) { [0]=> string(16) "wordtwo wordfour" [1]=> string(17) "wordtwo wordthree" [2]=> string(7) "wordone" }
Output for 5.4.0, 5.4.5 - 5.4.6, 5.4.8, 5.4.11, 5.4.13, 5.4.20, 5.4.23, 5.4.25, 5.4.29, 5.5.3, 5.5.5, 5.5.7, 5.5.14, 5.5.19, 5.5.26, 5.5.33, 5.6.3, 5.6.14, 5.6.21 - 5.6.28, 7.0.0, 7.0.2, 7.0.4, 7.0.6, 7.0.14
array(3) { [0]=> string(7) "wordone" [1]=> string(17) "wordtwo wordthree" [2]=> string(16) "wordtwo wordfour" }
Output for 5.4.4, 5.4.9, 5.4.12, 5.4.16, 5.4.19, 5.4.21 - 5.4.22, 5.4.27 - 5.4.28, 5.4.31, 5.4.39, 5.4.44 - 5.4.45, 5.5.10, 5.5.15, 5.5.24, 5.5.27, 5.5.32, 5.6.1, 5.6.5, 5.6.7, 5.6.11, 5.6.18, 7.0.3, 7.0.7
array(3) { [0]=> string(7) "wordone" [1]=> string(16) "wordtwo wordfour" [2]=> string(17) "wordtwo wordthree" }
Output for 5.4.3, 5.4.34 - 5.4.35, 5.4.37, 5.4.40, 5.5.8, 5.5.16 - 5.5.18, 5.5.21, 5.5.23, 5.5.29, 5.5.31, 5.5.35 - 5.5.36, 5.6.4, 5.6.8, 5.6.13, 5.6.15 - 5.6.16, hhvm-3.10.0 - 3.12.0, 7.0.5
array(3) { [0]=> string(17) "wordtwo wordthree" [1]=> string(7) "wordone" [2]=> string(16) "wordtwo wordfour" }
Output for 5.4.10, 5.4.15, 5.4.30, 5.5.6, 5.5.12, 5.5.28, 5.6.2, 5.6.6, 5.6.12, 5.6.17, 5.6.20, 7.0.1
array(3) { [0]=> string(17) "wordtwo wordthree" [1]=> string(16) "wordtwo wordfour" [2]=> string(7) "wordone" }
Output for 5.4.1, 5.4.7, 5.4.18, 5.4.24, 5.4.26, 5.4.41, 5.4.43, 5.5.0 - 5.5.2, 5.5.4, 5.5.11, 5.5.13, 5.5.22, 5.5.30, 5.6.0, 5.6.9 - 5.6.10, 5.6.19
array(3) { [0]=> string(16) "wordtwo wordfour" [1]=> string(7) "wordone" [2]=> string(17) "wordtwo wordthree" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/I6oHP on line 5
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 '[' in /in/I6oHP on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/I6oHP on line 5
Process exited with code 255.