Usted buscó: undefined (Coreano - Chino (Simplificado))

constants may not be redefined or undefined once they have been set; and
the name of the constant is given by name; the value is given by value.

calculate (base raised into power exp) modulo mod. if exp is negative, result is undefined.
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cgi.force_redirect is necessary to provide security running php as a cgi under most web servers. left undefined, php turns this on by default. you can turn it off at your own risk.
cgi.force_redirect is necessary to provide security running php as a cgi under most web servers. left undefined, php turns this on by default. you can turn it off at your own risk.

call_user_function() returns success on success, and failure in case the function cannot be found. you should check that return value! if it returns success, you are responsible for destroying the retval pval yourself (or return it as the return value of your function). if it returns failure, the value of retval is undefined, and you mustn't touch it.
call_user_function() returns success on success, and failure in case the function cannot be found. you should check that return value! if it returns success, you are responsible for destroying the retval pval yourself (or return it as the return value of your function). if it returns failure, the value of retval is undefined, and you mustn't touch it.