php 从文件夹中查找和删除特定文件类型（PHP）

Posted 2021-05-04

<?php
	$fileCounter = 0;

	$fileExtToDelete = 'csv';
	
	// Get current folder path
	$folderPath = getcwd();

	// Fetch all files exists in a folder
	$allFiles = scandir($folderPath);

	foreach ($allFiles as $file) {
		// Set absolute path of file
		$fileAbsolutePath = $folderPath.'/'.$file;

		// Get file's extention
		$fileExt = pathinfo($fileAbsolutePath, PATHINFO_EXTENSION);

		
		// Check if file extention is 'csv'
		if($fileExt == $fileExtToDelete) {
			// Delete file
			unlink($fileAbsolutePath);

			$fileCounter++;
		}
	}

	echo "Total <b>" . $fileCounter . "</b> '." .$fileExtToDelete . "' files are deleted.";