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34 lines
975 B
PHP
34 lines
975 B
PHP
--TEST--
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ob_start(): Ensure unerasable buffer cannot be erased by ob_clean(), ob_end_clean() or ob_end_flush().
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--FILE--
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<?php
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function callback($string) {
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static $callback_invocations;
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$callback_invocations++;
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return "[callback:$callback_invocations]$string\n";
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}
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ob_start('callback', 0, false);
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echo "All of the following calls will fail to clean/remove the topmost buffer:\n";
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var_dump(ob_clean());
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var_dump(ob_end_clean());
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var_dump(ob_end_flush());
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echo "The OB nesting will still be 1 level deep:\n";
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var_dump(ob_get_level());
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?>
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--EXPECTF--
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[callback:1]All of the following calls will fail to clean/remove the topmost buffer:
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Notice: ob_clean(): Failed to delete buffer of callback (0) in %s on line 11
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bool(false)
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Notice: ob_end_clean(): Failed to discard buffer of callback (0) in %s on line 12
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bool(false)
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Notice: ob_end_flush(): Failed to send buffer of callback (0) in %s on line 13
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bool(false)
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The OB nesting will still be 1 level deep:
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int(1)
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