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Fix GH-15181: Disabled output handler is flushed again #15183

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4 changes: 4 additions & 0 deletions main/output.c
Original file line number Diff line number Diff line change
Expand Up @@ -925,6 +925,10 @@ static inline php_output_handler_status_t php_output_handler_op(php_output_handl
);
#endif

if (handler->flags & PHP_OUTPUT_HANDLER_DISABLED) {
return PHP_OUTPUT_HANDLER_FAILURE;
}

if (php_output_lock_error(context->op)) {
/* fatal error */
return PHP_OUTPUT_HANDLER_FAILURE;
Expand Down
15 changes: 15 additions & 0 deletions tests/output/gh15181.phpt
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
--TEST--
Fix GH-15181 (Disabled output handler is flushed again)
--FILE--
<?php
ob_start(function () {
throw new Exception('ob_start');
});
try {
ob_flush();
} catch (Throwable) {}
ob_flush();
?>
===DONE===
--EXPECT--
===DONE===
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