Basic cURL GET Request
Sends a GET request with cURL, requires HTTPS, captures HTTP status, and avoids dumping transport errors to users.
Open SnippetSnippet Library
Practical pure PHP patterns that are easy to study, adapt and use.
Basic cURL POST Request with JSON
Posts a JSON payload with cURL, validates HTTPS, sets JSON headers, and returns decoded response data when possible.
Open SnippetGet Client IP Address
Reads a client IP address safely from server data and only trusts forwarded headers when explicitly allowed.
Open SnippetCheck if a File Exists
Checks whether a relative file exists under an approved base directory and rejects traversal-style paths.
Open SnippetCreate a Directory
Creates a relative directory beneath an approved base path, validates the directory name, and reports whether it was created or already existed.
Open SnippetList Files in a Directory
Lists regular files from an approved directory, skips dot entries, and optionally filters by extension.
Open SnippetGet File Extension
Extracts and normalizes a file extension from a filename, then checks it against an approved extension list.
Open SnippetSimple File Upload
Validates one uploaded file, builds a collision-resistant filename, and moves it into an approved upload directory.
Open SnippetParse XML with SimpleXML
Parses an XML string with SimpleXML, reports parsing errors, and extracts selected child values into an array.
Open SnippetHash a Password
Creates a modern PHP password hash with password_hash() after enforcing a practical minimum password length.
Open SnippetVerify a Password
Verifies a submitted password against a stored PHP password hash and reports whether the hash should be upgraded.
Open SnippetBase64 Encode and Decode
Encodes a string with base64_encode(), decodes it with strict base64_decode(), and confirms the round trip.
Open Snippet