Function Existence Check Using PHP
function_exists — Return TRUE if the given function has been defined. To check that whether a function is defined or exists or not use function_exists. Checks the list of defined functions, both built-in (internal) and user-defined, for function_name. Returns TRUE on success or FALSE on failure.
Tags: Checks, control, Functions
Posted in: Checks, Function Exists, Scripts
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Posted in: Checks, Function Exists, Scripts
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