Check if file (multiple extension possible ) exists? - php

Question

I got ascript which helps me to add some data into a csv file, based on the fact if a image is inside a folder or not (exits or not). Files are images, so I need to check if the file exists, and if it is a png, jpg, jpeg, gif.
So far it only check if it a JPG but I would like it to find the file exists if it's a PNG or JPEG or even GIF.
<?php
$columns = array("row1","row2","row3","row4","row5","row6","row7","row8","row9",
"row10","row11","row12","row13","row14","row15","row16","row17","row18"
);
$rootDir = "/path/to/images/folder/files";
$file = fopen("database.csv", "r") or die('fopen database failed');
$newFile = fopen("newdata.csv", "w") or die('fopen newdata.csv failed');
while (($data = fgetcsv($file, 999999, ";")) !== FALSE) {
$row = array_combine($columns, $data);
$filename = $row['row4'].".jpg"; // could be png or jpEg, or even gif
if (file_exists("$rootDir/$filename")) {
$row['image'] = .$filename; //also needs correct extension of image which exists.
$row['small_image'] = .$filename;
$row['thumbnail'] = .$filename;
}
fputcsv($newFile, array_values($row), ";",'"' );
}
fclose($file);
fclose($newFile);
?>

Answer 1

You can do something like this:
// your code
$possible_extensions = array("jpg", "jpeg", "png", "gif");
$row = array_combine($columns, $data);
foreach($possible_extensions as $ext){
$filename = $row['row4'] . "." . $ext;
if (file_exists("$rootDir/$filename")) {
$row['image'] = .$filename;
$row['small_image'] = .$filename;
$row['thumbnail'] = .$filename;
break;
}
}
fputcsv($newFile, array_values($row), ";",'"' );
// your code
Edited:
If you want to perform case-insensitive file_exists() check then here's the solution,
The following fileExists() function returns the full path file if found, and false if not.
function fileExists($fileName, $caseSensitive = true) {
if(file_exists($fileName)) {
return $fileName;
}
if($caseSensitive) return false;
// Handle case insensitive requests
$directoryName = dirname($fileName);
$fileArray = glob($directoryName . '/*', GLOB_NOSORT);
$fileNameLowerCase = strtolower($fileName);
foreach($fileArray as $file) {
if(strtolower($file) == $fileNameLowerCase) {
return $file;
}
}
return false;
}
Here's the source:
PHP Case Insensitive Version of file_exists()
And now your code,
// your code
$possible_extensions = array("jpg", "jpeg", "png", "gif");
$row = array_combine($columns, $data);
foreach($possible_extensions as $ext){
$filename = $row['row4'] . "." . $ext;
if ($filename = fileExists("$rootDir/$filename", false)) {
$row['image'] = .$filename; //also needs correct extension of image which exists.
$row['small_image'] = .$filename;
$row['thumbnail'] = .$filename;
break;
}
}
fputcsv($newFile, array_values($row), ";",'"' );
// your code