Predefined Constants
The constants below are always available as part of the PHP core.
-
PHP_OUTPUT_HANDLER_START
(int) -
Indicates that output buffering has begun.
-
PHP_OUTPUT_HANDLER_WRITE
(int) -
Indicates that the output buffer is being flushed, and had data to output.
-
PHP_OUTPUT_HANDLER_FLUSH
(int) -
Indicates that the buffer has been flushed.
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PHP_OUTPUT_HANDLER_CLEAN
(int) -
Indicates that the output buffer has been cleaned.
-
PHP_OUTPUT_HANDLER_FINAL
(int) -
Indicates that this is the final output buffering operation.
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PHP_OUTPUT_HANDLER_CONT
(int) -
Indicates that the buffer has been flushed, but output buffering will continue.
This is an alias for
PHP_OUTPUT_HANDLER_WRITE
. -
PHP_OUTPUT_HANDLER_END
(int) -
Indicates that output buffering has ended.
This is an alias for
PHP_OUTPUT_HANDLER_FINAL
. -
PHP_OUTPUT_HANDLER_CLEANABLE
(int) -
Controls whether an output buffer created by ob_start() can be cleaned.
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PHP_OUTPUT_HANDLER_FLUSHABLE
(int) -
Controls whether an output buffer created by ob_start() can be flushed.
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PHP_OUTPUT_HANDLER_REMOVABLE
(int) -
Controls whether an output buffer created by ob_start() can be removed before the end of the script.
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PHP_OUTPUT_HANDLER_STDFLAGS
(int) -
The default set of output buffer flags; currently equivalent to
PHP_OUTPUT_HANDLER_CLEANABLE
|PHP_OUTPUT_HANDLER_FLUSHABLE
|PHP_OUTPUT_HANDLER_REMOVABLE
.