Convert UNIX Timestamp to Date
Converts a UNIX timestamp to formatted date strings with an explicit timezone.
Open SnippetSnippet Library
Practical pure PHP patterns that are easy to study, adapt and use.
Convert Date to UNIX Timestamp
Parses a date string in an explicit timezone and returns its UNIX timestamp.
Open SnippetCalculate Difference Between Two Dates
Calculates the difference between two dates and returns days, hours, minutes, and direction.
Open SnippetSimple Regular Expression Match
Runs a regular expression match and returns the first matched value when the pattern is valid.
Open SnippetRegular Expression Replace
Replaces text with preg_replace() and reports whether the regular expression completed successfully.
Open SnippetSet a Cookie
Sets a cookie with explicit expiry, path, secure, HttpOnly, and SameSite options when headers are still open.
Open SnippetGet a Cookie
Reads a named cookie from $_COOKIE and returns a trimmed string value only when it exists.
Open SnippetDelete a Cookie
Deletes a cookie by queuing an expired Set-Cookie header with matching path and safety options.
Open SnippetCustom Error Handler
Registers a temporary custom error handler that captures safe error details into an array and restores the previous handler.
Open SnippetTrigger a User-Level Error
Triggers a user-level warning only after validating that the supplied message is safe and non-empty.
Open SnippetBasic Exception Handling (try-catch)
Uses try-catch around a risky operation and returns either the parsed value or a safe public error message.
Open SnippetCustom Exception Class
Defines a focused custom exception class with a safe public message and catches it without leaking internal details.
Open Snippet