/**
* Dumps a given PHP variable to a YAML string.
*
* @param mixed $value The PHP variable to convert
*
* @return string The YAML string representing the PHP array
*
* @throws DumpException When trying to dump PHP resource
*/
public static function dump($value)
{
switch (true) {
case is_resource($value):
throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
case is_object($value):
return '!!php/object:' . serialize($value);
case is_array($value):
return self::dumpArray($value);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'{$value}'" : (int) $value;
case is_numeric($value):
return is_string($value) ? "'{$value}'" : (is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : $value);
case Escaper::requiresDoubleQuoting($value):
return Escaper::escapeWithDoubleQuotes($value);
case Escaper::requiresSingleQuoting($value):
return Escaper::escapeWithSingleQuotes($value);
case '' == $value:
return "''";
case preg_match(self::getTimestampRegex(), $value):
case in_array(strtolower($value), array('null', '~', 'true', 'false')):
return "'{$value}'";
default:
return $value;
}
}
public static function dump($value, $exceptionOnInvalidType = false, $objectSupport = false)
{
switch (true) {
case is_resource($value):
if ($exceptionOnInvalidType) {
throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
}
return 'null';
case is_object($value):
if ($objectSupport) {
return '!!php/object:' . serialize($value);
}
if ($exceptionOnInvalidType) {
throw new DumpException('Object support when dumping a YAML file has been disabled.');
}
return 'null';
case is_array($value):
return self::dumpArray($value, $exceptionOnInvalidType, $objectSupport);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'{$value}'" : (int) $value;
case is_numeric($value):
$locale = setlocale(LC_NUMERIC, 0);
if (false !== $locale) {
setlocale(LC_NUMERIC, 'C');
}
$repr = is_string($value) ? "'{$value}'" : (is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : strval($value));
if (false !== $locale) {
setlocale(LC_NUMERIC, $locale);
}
return $repr;
case Escaper::requiresDoubleQuoting($value):
return Escaper::escapeWithDoubleQuotes($value);
case Escaper::requiresSingleQuoting($value):
return Escaper::escapeWithSingleQuotes($value);
case '' == $value:
return "''";
case preg_match(self::getTimestampRegex(), $value):
case in_array(strtolower($value), array('null', '~', 'true', 'false')):
return "'{$value}'";
default:
return $value;
}
}
/**
* Dumps a given PHP variable to a YAML string.
*
* @param mixed $value The PHP variable to convert
* @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
*
* @return string The YAML string representing the PHP array
*
* @throws DumpException When trying to dump PHP resource
*/
public static function dump($value, $flags = 0)
{
if (is_bool($flags)) {
@trigger_error('Passing a boolean flag to toggle exception handling is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE flag instead.', E_USER_DEPRECATED);
if ($flags) {
$flags = Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE;
} else {
$flags = 0;
}
}
if (func_num_args() >= 3) {
@trigger_error('Passing a boolean flag to toggle object support is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::DUMP_OBJECT flag instead.', E_USER_DEPRECATED);
if (func_get_arg(2)) {
$flags |= Yaml::DUMP_OBJECT;
}
}
switch (true) {
case is_resource($value):
if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) {
throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
}
return 'null';
case $value instanceof \DateTimeInterface:
return $value->format('c');
case is_object($value):
if (Yaml::DUMP_OBJECT & $flags) {
return '!php/object:' . serialize($value);
}
if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \stdClass || $value instanceof \ArrayObject)) {
return self::dumpArray((array) $value, $flags);
}
if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) {
throw new DumpException('Object support when dumping a YAML file has been disabled.');
}
return 'null';
case is_array($value):
return self::dumpArray($value, $flags);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'{$value}'" : (int) $value;
case is_numeric($value):
$locale = setlocale(LC_NUMERIC, 0);
if (false !== $locale) {
setlocale(LC_NUMERIC, 'C');
}
if (is_float($value)) {
$repr = (string) $value;
if (is_infinite($value)) {
$repr = str_ireplace('INF', '.Inf', $repr);
} elseif (floor($value) == $value && $repr == $value) {
// Preserve float data type since storing a whole number will result in integer value.
$repr = '!!float ' . $repr;
}
} else {
$repr = is_string($value) ? "'{$value}'" : (string) $value;
}
if (false !== $locale) {
setlocale(LC_NUMERIC, $locale);
}
return $repr;
case '' == $value:
return "''";
case self::isBinaryString($value):
return '!!binary ' . base64_encode($value);
case Escaper::requiresDoubleQuoting($value):
return Escaper::escapeWithDoubleQuotes($value);
case Escaper::requiresSingleQuoting($value):
case preg_match('{^[0-9]+[_0-9]*$}', $value):
case preg_match(self::getHexRegex(), $value):
case preg_match(self::getTimestampRegex(), $value):
return Escaper::escapeWithSingleQuotes($value);
default:
return $value;
}
}
/**
* Dumps a given PHP variable to a YAML string.
*
* @param mixed $value The PHP variable to convert
* @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
* @param bool $objectSupport true if object support is enabled, false otherwise
*
* @return string The YAML string representing the PHP array
*
* @throws DumpException When trying to dump PHP resource
*/
public static function dump($value, $exceptionOnInvalidType = false, $objectSupport = false)
{
switch (true) {
case is_resource($value):
if ($exceptionOnInvalidType) {
throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
}
return 'null';
case is_object($value):
if ($objectSupport) {
return '!php/object:' . serialize($value);
}
if ($exceptionOnInvalidType) {
throw new DumpException('Object support when dumping a YAML file has been disabled.');
}
return 'null';
case is_array($value):
return self::dumpArray($value, $exceptionOnInvalidType, $objectSupport);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'{$value}'" : (int) $value;
case is_numeric($value):
$locale = setlocale(LC_NUMERIC, 0);
if (false !== $locale) {
setlocale(LC_NUMERIC, 'C');
}
if (is_float($value)) {
$repr = (string) $value;
if (is_infinite($value)) {
$repr = str_ireplace('INF', '.Inf', $repr);
} elseif (floor($value) == $value && $repr == $value) {
// Preserve float data type since storing a whole number will result in integer value.
$repr = '!!float ' . $repr;
}
} else {
$repr = is_string($value) ? "'{$value}'" : (string) $value;
}
if (false !== $locale) {
setlocale(LC_NUMERIC, $locale);
}
return $repr;
case '' == $value:
return "''";
case Escaper::requiresDoubleQuoting($value):
return Escaper::escapeWithDoubleQuotes($value);
case Escaper::requiresSingleQuoting($value):
case preg_match(self::getHexRegex(), $value):
case preg_match(self::getTimestampRegex(), $value):
return Escaper::escapeWithSingleQuotes($value);
default:
return $value;
}
}
/**
* Dumps a given PHP variable to a YAML string.
*
* @param mixed $value The PHP variable to convert
* @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
* @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
*
* @return string The YAML string representing the PHP array
*
* @throws DumpException When trying to dump PHP resource
*/
public static function dump($value, $exceptionOnInvalidType = false, $flags = 0)
{
if (is_bool($flags)) {
@trigger_error('Passing a boolean flag to toggle object support is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::DUMP_OBJECT flag instead.', E_USER_DEPRECATED);
$flags = (int) $flags;
}
switch (true) {
case is_resource($value):
if ($exceptionOnInvalidType) {
throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
}
return 'null';
case is_object($value):
if (Yaml::DUMP_OBJECT & $flags) {
return '!php/object:' . serialize($value);
}
if ($exceptionOnInvalidType) {
throw new DumpException('Object support when dumping a YAML file has been disabled.');
}
return 'null';
case is_array($value):
return self::dumpArray($value, $exceptionOnInvalidType, $flags);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'{$value}'" : (int) $value;
case is_numeric($value):
$locale = setlocale(LC_NUMERIC, 0);
if (false !== $locale) {
setlocale(LC_NUMERIC, 'C');
}
if (is_float($value)) {
$repr = (string) $value;
if (is_infinite($value)) {
$repr = str_ireplace('INF', '.Inf', $repr);
} elseif (floor($value) == $value && $repr == $value) {
// Preserve float data type since storing a whole number will result in integer value.
$repr = '!!float ' . $repr;
}
} else {
$repr = is_string($value) ? "'{$value}'" : (string) $value;
}
if (false !== $locale) {
setlocale(LC_NUMERIC, $locale);
}
return $repr;
case '' == $value:
return "''";
case Escaper::requiresDoubleQuoting($value):
return Escaper::escapeWithDoubleQuotes($value);
case Escaper::requiresSingleQuoting($value):
case preg_match(self::getHexRegex(), $value):
case preg_match(self::getTimestampRegex(), $value):
return Escaper::escapeWithSingleQuotes($value);
default:
return $value;
}
}
