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<documentation title="Function Calls">
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Functions should be called with no spaces between the function name, the opening parenthesis, and the first parameter; and no space between the last parameter, the closing parenthesis, and the semicolon.
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<code title="Valid: spaces between parameters">
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$var = foo($bar, $baz, $quux);
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<code title="Invalid: additional spaces used">
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$var = foo<em> </em>(<em> </em>$bar, $baz, $quux<em> </em>)<em> </em>;