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run code in 150+ php & hhvm versions
Bugs & Features
<?php $Old = array(array("Subject"=>"Informatik 1", "Active"=>"1")); $New = array(array("Subject"=>"Informatik 1", "Active"=>"0", "Subject"=>"Informatik 2", "Active"=>"1")); var_dump(MergeOfReqs($Old, $New)); function MergeOfReqs($Old, $New) { echo"----<br/>"; foreach($Old as &$O) { $State = OffReqState($O, $New); $O["Active"] = ($State !== false) ? $State : 2; } foreach($New as $N) { echo $N."<br/>"; if(OffReqState($N, $Old) === false) { $Old[] = $N; } } echo"-----<br/><br/>"; return $Old; } //And another shitty/crappy name function OffReqState($Elem, $Array) { foreach($Array as $Element) { if(strcmp($Element["Subject"], $Elem["Subject"]) == 0) { return $Elem["Active"]; } } return false; }
based on kiEtH
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
----<br/> Notice: Array to string conversion in /in/HYj1E on line 15 Array<br/>-----<br/><br/>array(2) { [0]=> array(2) { ["Subject"]=> string(12) "Informatik 1" ["Active"]=> int(2) } [1]=> array(2) { ["Subject"]=> string(12) "Informatik 2" ["Active"]=> string(1) "1" } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.3.29
----<br/>Array<br/>-----<br/><br/>array(2) { [0]=> array(2) { ["Subject"]=> string(12) "Informatik 1" ["Active"]=> int(2) } [1]=> array(2) { ["Subject"]=> string(12) "Informatik 2" ["Active"]=> string(1) "1" } }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/HYj1E on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/HYj1E on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/HYj1E on line 8
Process exited with code 255.