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<?php $arrarr = array( array('a' => 0), array('a' => 1, 'b' => 2), array('a' => 2, 'b' => 3, 'c' => 4), array('a' => 3, 'b' => 4, 'c' => 5, 'd' => 6) ); foreach ($arrarr as $row) { foreach ($row as $key => &$value) { if ($key === 'b' || $key === 'd') { $value = 'foo'; } } print(implode(",", $row)); } var_dump($arrarr);
Output for git.master, git.master_jit, rfc.property-hooks
01,foo2,foo,43,foo,5,fooarray(4) { [0]=> array(1) { ["a"]=> int(0) } [1]=> array(2) { ["a"]=> int(1) ["b"]=> int(2) } [2]=> array(3) { ["a"]=> int(2) ["b"]=> int(3) ["c"]=> int(4) } [3]=> array(4) { ["a"]=> int(3) ["b"]=> int(4) ["c"]=> int(5) ["d"]=> int(6) } }

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