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XLIX. Variable functions

Table of Contents
gettype — Get the type of a variable.
intval — Get integer value of a variable.
doubleval — Get double value of a variable.
empty — determine whether a variable is set
is_array — Finds whether a variable is an array.
is_double — Finds whether a variable is a double.
is_float — Finds whether a variable is a float.
is_int — Find whether a variable is an integer.
is_integer — Find whether a variable is an integer.
is_long — Finds whether a variable is an integer.
is_object — Finds whether a variable is an object.
is_real — Finds whether a variable is a real.
is_string — Finds whether a variable is a string.
isset — determine whether a variable is set
settype — Set the type of a variable.
strval — Get string value of a variable.
unset — Unset a given variable

 

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