upgrade my script from php 5.3 to php 7

Hello , my script is run on php 5.3 and i need to convert to php 7 the script use zenframework 1.12.20 and its compatible for php 7 with this tool [login to view URL] , i have make a scan and 95% of the script errors are around mysql_connect mysql_select_db eregi mysql_close mysql_fetch_assoc etc... there is quiet few files but since they all have the same problem, it should not be too long for now i need 1 day work from serious DEV i join here a file from the folders as exemple with php7cc error scan output File: /var/www/icons/big/_includes/[login to view URL] > Line 927: [Error] Removed function "mysql_connect" called mysql_connect(iif($config['dbo']['host'], $config['dbo']['host'], $config['dbi']['host']) . iif($port != 3306 && preg_match('/^[0-9]{1,8}$/', $port), ':' . $port, ':3306'), iif($config['dbo']['username'], $config['dbo']['username'], $config['dbi']['username']), iif($config['dbo']['password'], $config['dbo']['password'], $config['dbi']['password']), true); > Line 928: [Error] Removed function "mysql_select_db" called mysql_select_db(iif($config['dbo']['name'], $config['dbo']['name'], $config['dbi']['name']), $dbo); > Line 946: [Error] Removed function "mysql_query" called mysql_query($sqlQuery, $dbo); > Line 946: [Error] Removed function "mysql_error" called mysql_error(); > Line 947: [Error] Removed function "mysql_query" called mysql_query('SELECT FOUND_ROWS() as count;', $dbo); > Line 947: [Error] Removed function "mysql_error" called mysql_error(); > Line 948: [Error] Removed function "mysql_fetch_assoc" called mysql_fetch_assoc($query2); > Line 959: [Error] Removed function "mysql_fetch_assoc" called mysql_fetch_assoc($query); > Line 970: [Error] Removed function "mysql_fetch_assoc" called mysql_fetch_assoc($query); > Line 985: [Error] Removed function "mysql_connect" called mysql_connect(iif($config['dbo']['host'], $config['dbo']['host'], $config['dbi']['host']) . iif($port != 3306 && preg_match('/^[0-9]{1,8}$/', $port), ':' . $port, ':3306'), iif($config['dbo']['username'], $config['dbo']['username'], $config['dbi']['username']), iif($config['dbo']['password'], $config['dbo']['password'], $config['dbi']['password']), true); > Line 986: [Error] Removed function "mysql_select_db" called mysql_select_db(iif($config['dbo']['name'], $config['dbo']['name'], $config['dbi']['name']), $dbo); > Line 1016: [Error] Removed function "mysql_query" called mysql_query($sqlQuery, $dbo); > Line 1016: [Error] Removed function "mysql_error" called mysql_error(); > Line 1017: [Error] Removed function "mysql_query" called mysql_query('SELECT FOUND_ROWS() as count;', $dbo); > Line 1017: [Error] Removed function "mysql_error" called mysql_error(); > Line 1018: [Error] Removed function "mysql_fetch_assoc" called mysql_fetch_assoc($query2); > Line 1029: [Error] Removed function "mysql_fetch_assoc" called mysql_fetch_assoc($query); > Line 1040: [Error] Removed function "mysql_fetch_assoc" called mysql_fetch_assoc($query); let me know how long you can done this file , i will take the faster DEV for the full job thx you