foreach循环与for循环结合检索 多维数组中的所有键,值
<?php // Multidimensional array $superheroes = array( "spider-man" => array( "name" => "Peter Parker", "email" => "peterparker@mail.com", ), "super-man" => array( "name" => "Clark Kent", "email" => "clarkkent@mail.com", ), "iron-man" => array( "name" => "Harry Potter", "email" => "harrypotter@mail.com", )); // Printing all the keys and values one by one $keys = array_keys($superheroes);for($i = 0; $i < count($superheroes); $i++) { echo $keys[$i] . "{<br>"; foreach($superheroes[$keys[$i]] as $key => $value) { echo $key . " : " . $value . "<br>"; } echo "}<br>"; } ?>