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run code in 150+ php & hhvm versions
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<?php class MyIterator implements Iterator { private $var = array(); public function __construct($array) { if (is_array($array)) { $this->var = $array; } } public function rewind() { echo "rewinding\n"; reset($this->var); } public function current() { $var = current($this->var); echo "current: $var\n"; return $var; } public function key() { $var = key($this->var); echo "key: $var\n"; return $var; } public function next() { $var = next($this->var); echo "next: $var\n"; return $var; } public function valid() { $key = key($this->var); $var = ($key !== NULL && $key !== FALSE); echo "valid: $var\n"; return $var; } } $values = array(1,2,3); $it = new MyIterator($values); foreach ($it as $a => $b) { print "$a: $b\n"; } var_dump(&it->value()); ?>
Output for 5.5.0 - 5.5.3
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR), expecting '(' in /in/XF0SF on line 56
Process exited with code 255.
Output for 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR), expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/XF0SF on line 56
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting T_PAAMAYIM_NEKUDOTAYIM in /in/XF0SF on line 56
Process exited with code 255.