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run code in 150+ php & hhvm versions
Bugs & Features
<?php $records = array( array( 'id' => 2135, 'last_name' => 'Doe', 'extra' => array( 'jelou' => 'hi', 'first_name' => 'Albert' ), ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); $first_names = array_column($records, 'first_name'); print_r($first_names);
based on nc9RU
Output for 5.5.24 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Sally [1] => Jane [2] => Peter )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/jcYdE on line 28
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_column() in /in/jcYdE on line 28
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_column() in /in/jcYdE on line 28
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_column() in /in/jcYdE on line 28