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<?php $arr = array( 'request' => '' ); test( $arr ); $arr = array( 'request' => '', 'page' => '' ); test( $arr ); $arr = array( 'request' => '', 'page' => '0' ); test( $arr ); function test( $arr ) { echo str_repeat( '=', 10 ); echo PHP_EOL; echo '# If $arr is declared as:'; echo PHP_EOL; var_dump( $arr ); echo '# Then empty( $arr[\'page\'] ) is :'; echo PHP_EOL; var_dump( empty( $arr['page'] ) ); echo PHP_EOL; }
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