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Be Careful With Converting Boolean Values!!

08.26.2010
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        // 


php> $v = 'FALSE'

php> var_dump((bool)$v)
bool(true)

php> $v = 'false';

php> var_dump((bool)$v)
bool(true)

php> $v = '0';

php> var_dump((bool)$v)
bool(false)