3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), 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', ) ); $firstNames = array_map( function($record) { return ['first_name' => $record['first_name']]; }, $records ); var_dump($firstNames);
Output for 5.4.0 - 7.1.0
array(4) { [0]=> array(1) { ["first_name"]=> string(4) "John" } [1]=> array(1) { ["first_name"]=> string(5) "Sally" } [2]=> array(1) { ["first_name"]=> string(4) "Jane" } [3]=> array(1) { ["first_name"]=> string(5) "Peter" } }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/v8Y8Z on line 27
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/v8Y8Z on line 26
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/v8Y8Z on line 26
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/v8Y8Z on line 26
Process exited with code 255.