3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $samples=array( array([0] => 'a1', [1] => 'a2'), array([0] => 'b1', [1] => 'b2'), array([0] => 'c1', [1] => 'c2') ); $names = array_column($samples, [0]); print_r($names);
Output for 7.0.0 - 7.1.0
Fatal error: Illegal offset type in /in/K6OqN on line 3
Process exited with code 255.
Output for hhvm-3.10.0 - 3.13.2
Warning: Invalid operand type was used: Invalid type used as key in /in/K6OqN on line 3 Warning: Invalid operand type was used: Invalid type used as key in /in/K6OqN on line 3 Warning: Invalid operand type was used: Invalid type used as key in /in/K6OqN on line 4 Warning: Invalid operand type was used: Invalid type used as key in /in/K6OqN on line 4 Warning: Invalid operand type was used: Invalid type used as key in /in/K6OqN on line 5 Warning: Invalid operand type was used: Invalid type used as key in /in/K6OqN on line 5 Warning: array_column(): The column key should be either a string or an integer in /in/K6OqN on line 7
Output for 5.5.0 - 5.6.26
Warning: Illegal offset type in /in/K6OqN on line 3 Warning: Illegal offset type in /in/K6OqN on line 3 Warning: Illegal offset type in /in/K6OqN on line 4 Warning: Illegal offset type in /in/K6OqN on line 4 Warning: Illegal offset type in /in/K6OqN on line 5 Warning: Illegal offset type in /in/K6OqN on line 5 Warning: array_column(): The column key should be either a string or an integer in /in/K6OqN on line 7
Output for 5.4.0 - 5.4.45
Warning: Illegal offset type in /in/K6OqN on line 3 Warning: Illegal offset type in /in/K6OqN on line 3 Warning: Illegal offset type in /in/K6OqN on line 4 Warning: Illegal offset type in /in/K6OqN on line 4 Warning: Illegal offset type in /in/K6OqN on line 5 Warning: Illegal offset type in /in/K6OqN on line 5 Fatal error: Call to undefined function array_column() in /in/K6OqN on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/K6OqN on line 3
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 '[', expecting ')' in /in/K6OqN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/K6OqN on line 3
Process exited with code 255.