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<?php $a = array('franz', 'de leon', 'blah'); foreach ($a as $key => &$val) { if ($val === 'de leon') { unset($a[$key]); } $val .= 'shit'; } var_dump($a);
Output for 5.2.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> string(9) "franzshit" [2]=> &string(8) "blahshit" }
Output for 5.0.0 - 5.2.1
array(2) { [0]=> string(9) "franzshit" [2]=> string(4) "blah" }
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected '&', expecting T_VARIABLE or '$' in <b>/in/W1ETn</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected '&', expecting T_VARIABLE or '$' in <b>/in/W1ETn</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_VARIABLE' or `'$'' in <b>/in/W1ETn</b> on line <b>4</b><br />
Process exited with code 255.