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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, $prefix = '') { foreach($array AS $key => $value) { if(is_array($value)) { recursePrint($value, $prefix . $key . "."); } else { echo $prefix . $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 out.in1.d2=data2 out.in1.d3=data3 out.in1.d4=data4 out.in1.d5=data5 out.in1.d6=data6 out.in1.d7=data7 out.in1.d8=data8 out.in2.d9.b1=data9 out.in2.d9.b2=data10 out.in2.d10.b1=data11 out.in2.d10.b2=data12