3v4l.org

run code in 300+ PHP versions simultaneously
<?php header('Content-Type: text/html; charset=utf-8'); $str = "颜色代码"; var_dump(strpos($str, "代")); var_dump(mb_strpos($str, utf8_decode("颜色"), 0 ,"GBK"));
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(6) Deprecated: Function utf8_decode() is deprecated in /in/mfNnG on line 9 bool(false)
Output for 4.3.4 - 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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.27
int(6) bool(false)
Output for 4.3.2 - 4.3.3
int(6) Warning: mb_strpos(): Unknown encoding "GBK" in /in/mfNnG on line 9 bool(false)
Output for 4.3.0 - 4.3.1
int(6) Warning: mb_strpos() [http://www.php.net/function.mb-strpos]: Unknown encoding "GBK" in /in/mfNnG on line 9 bool(false)

preferences:
222.27 ms | 401 KiB | 390 Q