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run code in 150+ php & hhvm versions
Bugs & Features
<?php $table_array = array(); $result = array('hi', 'hello', 'there'); $x = array_walk($result, function(&$row) { printf('%s ', $row); $index = &$row; $table_array[$index] = array(); }); var_dump($x);
Output for 5.3.0 - 7.1.0
hi hello there bool(true)
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/o05fa on line 4
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/o05fa</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, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/o05fa</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 in <b>/in/o05fa</b> on line <b>4</b><br />
Process exited with code 255.