It's the same kind of typo error that is being caught with $foo = 2
it's not the same. 
if ($foo = $bar)

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is same as 
$foo = $bar;
if ($bar)

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which makes some sense. while 
if ($foo = 2)

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is same as 
$foo = 2
if (2)

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which does not make much sense.

In reply to Re: No warning when assiging to a variable by vsespb
in thread No warning when assiging to a variable by mikeraz

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