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<?php function dgs_clean( $str ) { return trim(preg_replace('/\s\s+/', ' ', $str)); } function dgs_strlist($array, $keys) { $out = ''; $_k = (is_array($keys))?$keys:array($keys); var_dump($_k); echo "\n"; foreach ($_k as $k => $v) { $key = (is_int($k))?$v:$k; echo "$key\n"; if (isset($array[$key]) && !empty($array[$key])) $out .= ' '.(is_int($k))?$array[$key]:$v; } return dgs_clean($out); } $test = array('name' => 'myInput', 'value' => '123', 'type' => 'text', '_prepend' => '@', 'class' => 'component inline'); echo dgs_strlist($test, array('class', '_prepend' => 'input-prepend'));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(5) "class" ["_prepend"]=> string(13) "input-prepend" } class _prepend component inline@

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