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<?php $a = array('a', 'b', 'c'); foreach(z($a) as &$x) { $x .= 'q'; } print_r($a); function z($a) { return $a; }
Output for 5.5.24 - 7.1.0
Array ( [0] => a [1] => b [2] => c )
Output for 5.0.0 - 5.4.45
Fatal error: Cannot create references to elements of a temporary array expression in /in/lTCaZ on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/lTCaZ on line 4
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 '$' in /in/lTCaZ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/lTCaZ on line 4
Process exited with code 255.