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<?php $sweet = array('a' => 'apple', 'b' => 'banana'); $fruits = array('sweet' => $sweet, 'sour' => 'lemon'); $arr = array('data-object.url' => 'http://yamamotohi.beautist.dev-php55.istyle.local/beautist/article/2004580', 'data-object.parent.class' => 'blog', 'data-object.parent.id' => '2004580', 'data-object.parent.owner.class' =>'uid', 'data-object.parent.owner.id' => '101607419', ); function test_print($item, $key) { echo "$key holds $item\n"; } array_walk_recursive($fruits, 'test_print'); array_walk_recursive($arr, function($item, $key){ echo "$key=\"$item\"\n"; }); $str = ''; array_walk_recursive($arr, function($item, $key){ $str .= print("$key=\"$item\"\n"); }); var_dump($str); ?>
Output for git.master, git.master_jit, rfc.property-hooks
a holds apple b holds banana sour holds lemon data-object.url="http://yamamotohi.beautist.dev-php55.istyle.local/beautist/article/2004580" data-object.parent.class="blog" data-object.parent.id="2004580" data-object.parent.owner.class="uid" data-object.parent.owner.id="101607419" data-object.url="http://yamamotohi.beautist.dev-php55.istyle.local/beautist/article/2004580" Warning: Undefined variable $str in /in/9ubAM on line 26 data-object.parent.class="blog" Warning: Undefined variable $str in /in/9ubAM on line 26 data-object.parent.id="2004580" Warning: Undefined variable $str in /in/9ubAM on line 26 data-object.parent.owner.class="uid" Warning: Undefined variable $str in /in/9ubAM on line 26 data-object.parent.owner.id="101607419" Warning: Undefined variable $str in /in/9ubAM on line 26 string(0) ""

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