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Documenting the optional default value parameter #21

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Documenting the optional default value parameter #21

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11 changes: 10 additions & 1 deletion 05-request/05-variables/page.md
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Expand Up @@ -27,7 +27,16 @@ methods instead:
//PUT variable
$paramValue = $app->request->put('paramName');

If a variable does not exist, each method above will return `null`. You can also invoke any of these functions without
If a variable does not exist, each method above will return `null`. Each of these methods also accepts a
default value as its second parameter:

<?php
$paramValue = $app->request->get('paramName', 'default');
$paramValue = $app->request->post('paramName', 'default');
$paramValue = $app->request->put('paramName', 'default');


You can also invoke any of these functions without
an argument to obtain an array of all variables of the given type:

<?php
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