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Funções para Sistema de arquivo
PHP Manual

fileperms

(PHP 4, PHP 5)

filepermsLê as permissões do arquivo

Descrição

int fileperms ( string $filename )

Retorna as permissões do arquivo.

Parâmetros

filename

Caminho até o arquivo.

Valor Retornado

Retornas as permissões do arquivo, ou FALSE em caso de erro.

Exemplos

Exemplo #1 Mostra as permissões na forma octal

<?php
echo substr(sprintf('%o'fileperms('/tmp')), -4);
echo 
substr(sprintf('%o'fileperms('/etc/passwd')), -4);
?>

O exemplo acima irá imprimir:

1777
0644

Exemplo #2 Mostra as permissões completas

<?php
$perms 
fileperms('/etc/passwd');

if ((
$perms 0xC000) == 0xC000) {
    
// Socket
    
$info 's';
} elseif ((
$perms 0xA000) == 0xA000) {
    
// Link simbólico
    
$info 'l';
} elseif ((
$perms 0x8000) == 0x8000) {
    
// Regular
    
$info '-';
} elseif ((
$perms 0x6000) == 0x6000) {
    
// Bloco especial
    
$info 'b';
} elseif ((
$perms 0x4000) == 0x4000) {
    
// Diretório
    
$info 'd';
} elseif ((
$perms 0x2000) == 0x2000) {
    
// Caractere especial
    
$info 'c';
} elseif ((
$perms 0x1000) == 0x1000) {
    
// FIFO pipe
    
$info 'p';
} else {
    
// Desconhecido
    
$info 'u';
}

// Proprietário
$info .= (($perms 0x0100) ? 'r' '-');
$info .= (($perms 0x0080) ? 'w' '-');
$info .= (($perms 0x0040) ?
            ((
$perms 0x0800) ? 's' 'x' ) :
            ((
$perms 0x0800) ? 'S' '-'));

// Grupo
$info .= (($perms 0x0020) ? 'r' '-');
$info .= (($perms 0x0010) ? 'w' '-');
$info .= (($perms 0x0008) ?
            ((
$perms 0x0400) ? 's' 'x' ) :
            ((
$perms 0x0400) ? 'S' '-'));

// Outros
$info .= (($perms 0x0004) ? 'r' '-');
$info .= (($perms 0x0002) ? 'w' '-');
$info .= (($perms 0x0001) ?
            ((
$perms 0x0200) ? 't' 'x' ) :
            ((
$perms 0x0200) ? 'T' '-'));

echo 
$info;
?>

O exemplo acima irá imprimir:

-rw-r--r--

Notas

Nota: O resultado desta função é cacheada. Veja clearstatcache() para mais detalhes.

Dica

A partir do PHP 5.0.0, esta função também pode ser utilizada com alguns wrappers URL. Veja List of Supported Protocols/Wrappers para uma lista de quais wrappers são suportados pela família de funções stat().

Veja Também


Funções para Sistema de arquivo
PHP Manual

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