var_dumpPHP ManualPrevNextvar_dumpvar_dump -- Dumps information about a variable. Descriptionvoid var_dump(mixed expression); This function returns structured information about an expression that includes its type and value. Arrays are explored recursively with values indented to show structure. Compare var_dump() to print_r(). 1  2 <pre> 3 <?php 4  $a = array (1, 2, array ("a", "b", "c")); 5  var_dump ($a); 6 ?> 7 </pre> 8  PrevHomeNextunsetUpVmailmgr functions