tcpdf.php lines 17272 and 18457 contain a variable with doulbe dollarsign, while it should be a single one. See code below.
// restore previous values foreach ($this_method_vars as $vkey => $vval) { **$$**vkey = $vval; }
Mind the value between the **'s
That's normal, $vkey holds the variable name to restore - the function does what's expected (restore previous values)
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Mind the value between the **'s
That's normal, $vkey holds the variable name to restore - the function does what's expected (restore previous values)