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<?php $exists = 'ok'; $array = ['var' => 'var1', 'bar' => 'bar1', 'exists' => 'foo']; foreach ($array as $key => $value) { if (isset(${$key})) { ${'data_' . $key} = $value; } else { ${$key} = $value; } } var_dump($var, $bar, $exists, $data_exists);
Output for git.master, git.master_jit, rfc.property-hooks
string(4) "var1" string(4) "bar1" string(2) "ok" string(3) "foo"

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