PHP File System
Which of the following functions retrieve the entire contents of a file in such a way that it can be used as part of an expression?
1. file_get_contents()
2. fgets()
3. fopen()
4. file()
5. readfile()

Option 2 and 4
Option 1 and 4
Option 3 and 4
Option 1 and 5

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PHP File System
What should you do if your script is having problem recognizing file endings from a text file saved on a platform different from the one you’re reading it on?

Use fpos()
Change the auto_detect_line_endings INI setting
Use a regular expression to detect the last letter of a line
Read the file one character at a time
Use ftok()

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