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run code in 150+ php & hhvm versions
Bugs & Features
<?php $stats = array( array( "totalStatPower" => 4, ), array( "totalStatPower" => 5, "test" => 1, ), array( "totalStatPower" => 10, "test" => 2, ), ); var_dump(array_reduce($stats, function($a, $b) { return array_map(function($v, $k) use ($b) { return $v + isset($b[$k]) ? $b[$k] : 0; }, $a); }, array()));
Output for 5.3.0 - 7.1.0
array(0) { }
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/S5ZD0 on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/S5ZD0</b> on line <b>17</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/S5ZD0</b> on line <b>17</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/S5ZD0</b> on line <b>17</b><br />
Process exited with code 255.