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<?php function fileIsNotIncluded($file = null) { if (empty($file)) { return false; } // Pega os nomes dos arquivos já incluídos com as funções "include", "include_once", "require" e "require_once" $includedFiles = get_included_files(); if ( ! in_array($file, $includedFiles)) { return true; } return false; } var_dump( fileIsNotIncluded(array('Teste.php', 'Teste2.php')) );
Output for 4.3.0 - 7.1.0
bool(true)