PEAR Справочное руководство
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PEAR_ErrorStack::hasErrors()

PEAR_ErrorStack::hasErrors() -- Determine whether there are any errors on the stack

Synopsis

require_once 'PEAR/ErrorStack.php';

boolean PEAR_ErrorStack::hasErrors ([string $level = false])

Determine whether there are any errors on the stack

string $level: Level name to check for a particular severity. Use this to determine whether only a particular class of errors has occurred, such as whether any warnings have occurred (errors will be ignored)

throws no exceptions thrown

Эта функция не должна вызываться статически.

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PEAR_ErrorStack::getMessageCallback()	Уровень выше	PEAR_ErrorStack::pop()