What does var_dump($fun) show when used in the context of $fun($this, $this->_context)?

When using var_dump($fun) in the context of $fun($this, $this->_context), it will show the data type and value of the variable $fun. This can help in debugging to understand what function or callable is stored in the variable $fun. To resolve any issues related to this, make sure that $fun is a valid function or callable before calling it in the given context. 

// Check if $fun is a valid function or callable before calling it
if (is_callable($fun)) {
    var_dump($fun);
    $result = $fun($this, $this->_context);
    // continue with the rest of the code
} else {
    echo "Error: $fun is not a valid function or callable.";
}

Keywords

var_dump PHP function $this _context

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