writing variable to file

[Jamo-code 0]

how would i go about writing this line of code...

 

$Sections[] = "Extracurricular,./forumlisting.php?Forum=extracurricular,extracurricular";

 

exactly as it is, on to a text file.ive been trying but am getting errors

[trq 255]

file_put_contents('file.txt','$Sections[] = "Extracurricular,./forumlisting.php?Forum=extracurricular,extracurricular";');