3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_urlEncoded($string){ $test_string = $string; while(urldecode($test_string) != $test_string){ $test_string = urldecode($test_string); } return urlencode($test_string) == $string; } $x ="Océ"; if(is_urlEncoded($x)){ echo "ist encoded"; } else { echo "ist nicht encoded"; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
ist nicht encoded

preferences:
268.8 ms | 406 KiB | 460 Q