3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); function pram_alter($array, $key) { return echo "$$key = '$array';\n"; } array_walk($fruits, 'pram_alter'); ?>
based on Zh9pQ
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/T7M58 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_ECHO in /in/T7M58 on line 6
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_ECHO in /in/T7M58 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/T7M58 on line 6
Process exited with code 255.