Online PHP editor | output for plSKI

@ 2013-09-28T09:12:12Z

<?php
$x = function ($v) {
  return $v * 2;
};

$y = function ($v) {
  return $v * 2;
};

$z = function ($v) {
  return $v * 200;
};

$compose_ = function ($documentation) {
  $closures = func_get_args();
  array_shift($closures);
  // er($args,'$args');
  return function ($param = null) use ($documentation, $closures) {
    if (!$param) { return $documentation; }
    $first_closure = array_shift($closures);
    $val = $first_closure($param);
    foreach ($closures as $closure) {
      $val = $closure($val);
    }
    return $val;
  };
};

$c = $compose_('Compose of Int -> $x -> $y -> $z -> Int', $x, $y, $z);
echo $c();
echo $c(345);

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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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 - 8.3.7: Compose of Int -> $x -> $y -> $z -> Int276000
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/plSKI on line 2
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/plSKI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/plSKI on line 2
Process exited with code 255.

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