3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array( array( 'week' => 26, '#orders_CA' => 0, 'cost_CA' => 0, '#orders_US' => 3, 'cost_US' => 18.99, '#orders_INTERNATIONAL' => 0, 'cost_INTERNATIONAL' => 0 ), array( 'week' => 26, '#orders_CA' => 0, 'cost_CA' => 0, '#orders_US' => 0, 'cost_US' => 0, '#orders_INTERNATIONAL' => 22, 'cost_INTERNATIONAL' => 32 ), ); $keys = array_keys($a); $res = call_user_func_array('array_map', array_merge(array(function() { return array_sum(func_get_args()); }), $a)); print_r($res); print_r(array_combine($keys, $res));
Output for 5.3.0 - 7.1.0
Array ( [0] => 52 [1] => 0 [2] => 0 [3] => 3 [4] => 18.99 [5] => 22 [6] => 32 ) Warning: array_combine(): Both parameters should have an equal number of elements in /in/pf3mm on line 28
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/pf3mm on line 24
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
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/pf3mm on line 24
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/pf3mm on line 24
Process exited with code 255.