PHP Fatal error: Call to undefined function mysql_pconnect()

[root@qy caishenye]# tail -f /data/caishenye/sa_9_0.log

PHP Warning:  mkdir(): No such file or directory in /data/caishenye/sa_9_0.php on line 18

PHP Fatal error:  Call to undefined function mysql_pconnect() in /data/caishenye/sa_9_0.php on line 25

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PHP Warning:  mkdir(): No such file or directory in /data/caishenye/sa_9_0.php on line 18

PHP Fatal error:  Call to undefined function mysql_pconnect() in /data/caishenye/sa_9_0.php on line 25

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PHP Fatal error:  Call to undefined function mysql_pconnect() in /data/caishenye/sa_9_0.php on line 25

解決方法：

PDO, MYSQL, MYSQLI 均可以鏈接mysql，使用方式也有區別的
centos下php沒有mysql擴展的話你能夠直接yum install php-mysql;