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Link: http://codepad.org/5kwctnDP    [ raw code | output | fork ]

PHP, pasted on May 21:
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<?php
echo phpversion(), ' ';
$testglobal = 1;
function cmp($a, $b) {
  global $testglobal;
  echo 'hi' . $testglobal;
  return strcmp($a, $b);
}
$topics = array(1,2,3);
usort($topics, "cmp");


Output:
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5.2.5 hi1hi1


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