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Check If File Exists PHP

Last Updated : Sep 19, 2023

Check If File Exists PHP

In this article we will show you the solution of check if file exists php, creating, reading, updating, & deleting files is a typical task in PHP. However, it's crucial to confirm that a file actually exists before executing any activities on it.

To prevent mistakes or unexpected behavior in your PHP script, this is an essential step.

Using a few built-in functions, it is quite easy to determine whether a file is present in PHP.

One such function that determines whether a file exists in the given directory is file_exists().

To determine whether a file is there, use the is_file() function. Similar to the file_exists() function, this one only returns true if the path supplied is a regular file and not a directory and a symbolic link.

Now we'll talk about the Check whether a file exists in the PHP concept.

Step By Step Guide On Check If File Exists PHP :-

<?php
$file_path = '/path/to/file.txt'; // replace with the path to your file
// check if the file exists using file_exists()
if (file_exists($file_path)) {
  echo "File exists!";
} else {
  echo "File does not exist.";
}
// check if the file exists and is a regular file using is_file()
if (is_file($file_path)) {
  echo "File exists and is a regular file!";
} else {
  echo "File does not exist or is not a regular file.";
}
?>
  1. As you can see, we have created PHP code to determine whether a file is present.
  2. The first line of our code begins with the PHP opening tag, which denotes the start of the PHP code block.
  3. After that, we defined the variable $file_path and supplied the path to the file we wanted to verify as its value.
  4. The path, which can be either absolute or relative, should be changed to reflect the correct path for the file we wish to verify.
  5. Next, it is determined using the file_exists() method whether the file is present at the given path.
  6. If the file is there, the echo statement will print "File exists!"
  7. The else statement will print "File does not exist." if the file is nonexistent.
  8. The is_file() method is then used to determine whether the file is a regular file (and not a directory or symbolic link) and whether it exists.
  9. If the file is a regular file and it exists, the echo statement will display "File exists and is a regular file!"
  10. The else statement will output "File does not exist or is not a regular file." if the file is either nonexistent or not a regular file.
  11. The boolean values returned by the functions file_exists() and is_file() are true if the file exists and false otherwise.
  12. The if statements use these values to decide which message should be printed.
  13. We terminate our code in the final line with the PHP closing tag?>.

Conclusion :-

As a result, we were able to understand the Check if file exists PHP notion.

We also discovered that while working with files in PHP, it's crucial to perform a file existence check.

To rapidly determine whether a file is a regular file or not and whether it exists at a given path, use the built-in functions file_exists() and is_file().

These functions are simple to utilise in if statements because they return boolean values.

I hope this article on check if file exists php helps you and the steps and method mentioned above are easy to follow and implement.

Author Image About Pragati

Experienced coding content writer who enjoys breaking down complex concepts in programming languages like Java, Python, C, and C++. Over three years of experience producing interesting and relevant content for a variety of entities. Committed to providing concise and easy-to-understand articles that assist readers in easily understanding technology and industry trends in the world of coding and software development.

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