Online PHP editor | output for D619p

@ 2013-11-12T13:55:30Z

<?php

$sentence = '{Please|Just} make this {cool|awesome|random} test sentence {rotate {quickly|fast} and random|spin and be random}';

function sentence_spinning($str)
{
  $new_str = preg_replace_callback('#\{([^{}]*)\}#im', function($matches)
  {
    return ($rand = array_rand($split = explode('|', $matches[1])))[$rand];
    return $split[$rand];
  }, $str);

  if ($new_str !== $str) $str = sentence_spinning($new_str);
  
  return $str;  
}

echo sentence_spinning($sentence);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.0: make this test sentence
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Parse error: syntax error, unexpected '[' in /in/D619p on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/D619p on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/D619p on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/D619p on line 7
Process exited with code 255.

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