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Max Kellermann
c1a06704da
Casting a huge unsigned value to signed is implementation-defined behavior in C. By introducing the ZEND_THREEWAY_COMPARE() macro, we can sidestep this integer overflow/underflow/casting problem.
9 lines
162 B
PHP
9 lines
162 B
PHP
--TEST--
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Bug #54454 (substr_compare incorrectly reports equality in some cases)
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--FILE--
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<?php
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var_dump(substr_compare('/', '/asd', 0, 4));
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?>
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--EXPECT--
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int(-1)
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