implode(): Invalid arguments passed

error: 2
file: /var/www/html/xtremboy-www/profile.php
line: 23
{
    "function": "error_handler_function"
}
{
    "file": "/var/www/html/xtremboy-www/profile.php",
    "line": 23,
    "function": "implode"
}
{
    "file": "/var/www/html/xtremboy-www/__catchall.php",
    "line": 28,
    "args": [
        "/var/www/html/xtremboy-www/profile.php"
    ],
    "function": "include_once"
}