3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = Array ( 'out' => Array ( 'in1' => Array ( 'd1' => "data1", 'd2' => "data2", 'd3' => "data3", 'd4' => "data4", 'd5' => "data5", 'd6' => "data6", 'd7' => "data7", 'd8' => "data8" ), 'in2' => Array ( 'd9' => Array ( 'b1' => "data9", 'b2' => "data10" ), 'd10' => Array ( 'b1' => "data11", 'b2' => "data12" ) ) ) ); function recursePrint($array) { foreach($array AS $key => $value) { if(is_array($value)) { echo $key . "."; echo recursePrint($value); } else { echo $key . "." . $value . "\n"; } } } recursePrint($array);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
out.in1.d1.data1 d2.data2 d3.data3 d4.data4 d5.data5 d6.data6 d7.data7 d8.data8 in2.d9.b1.data9 b2.data10 d10.b1.data11 b2.data12