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php

    1: --TEST--
    2: ob_start(): Ensure unerasable buffer cannot be flushed by ob_flush()
    3: --FILE--
    4: <?php
    5: function callback($string) {
    6: 	static $callback_invocations;
    7: 	$callback_invocations++;
    8: 	return "[callback:$callback_invocations]$string\n";
    9: }
   10: 
   11: ob_start('callback', 0, false);
   12: 
   13: echo "Attempt to flush unerasable buffer - should fail... ";
   14: var_dump(ob_flush());
   15: // Check content of buffer after flush - if flush failed it should still contain the string above.
   16: var_dump(ob_get_contents());
   17: ?>
   18: --EXPECTF--
   19: [callback:1]Attempt to flush unerasable buffer - should fail... 
   20: Notice: ob_flush(): failed to flush buffer callback in %s on line 11
   21: bool(false)
   22: string(%d) "Attempt to flush unerasable buffer - should fail... 
   23: Notice: ob_flush(): failed to flush buffer callback in %s on line 11
   24: bool(false)
   25: "