跟大家講解下有關session_start();報錯有關問題，相信小伙伴們對這個話題應該也很關注吧，現在就為小伙伴們說說session_start();報錯有關問題，小編也收集到了有關session_start();報錯有關問題的相關資料，希望大家看到了會喜歡。

session_start();報錯問題test.php文件內容site_test.php文件內容當打開test.php時報以下錯誤，弄了很久也弄不明白，不知為什么？Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/cybertry/public_html/idearforyou.com/site_test.php:1) in /home/cybertry/public_html/idearforyou.com/site_test.php on line 2Warning: Cannot modify header information - headers already sent by (output started at /home/cybertry/public_html/idearforyou.com/site_test.php:1) in /home/cybertry/public_html/idearforyou.com/site_test.php on line 3------解決方案--------------------session_start();前面不能有輸出------解決方案--------------------site_test.php 是什么編碼，如果是utf-8編碼，確認沒有bom頭。

來源：php中文網