3v4l.org

run code in 300+ PHP versions simultaneously
<?php $res1 = array( array('a'=>'aa','b'=>'bb'), array('a'=>'aaa','b'=>'bbb') ); $res2 = array( array('a'=>'a','b'=>'b') ); $3 = $res1 + $res2; var_dump($3);
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '3' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in /in/0WovY on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in /in/0WovY on line 13
Process exited with code 255.
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