<?php function contextCheck($context) { return (isset($_GET[$context]) && strlen($_GET[$context])) ? $_GET[$context] : false; } $_GET['foo'] = '12'; $_GET['bar'] = '0'; echo 'foo: ', var_export(contextCheck( 'foo' ), true ), "\n", 'bar: ', var_export( contextCheck( 'bar' ), true ); ?>
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