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<?php $str = array( '/1/20/3', 'a' ); preg_match( '/^(\/\d+)+$/', $str, $matches ); if( empty( $matches ) );
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: preg_match() expects parameter 2 to be string, array given in /in/SdjWZ on line 6
Output for 4.3.0 - 4.3.2
Notice: Array to string conversion in /in/SdjWZ on line 6