PHP snippets

14 snippets

• PHP Tested

  Validate emails and URLs in PHP

  Use filter_var to validate email addresses and http(s) URLs, with an allow-list for schemes.

• PHP Tested

  Truncate multibyte strings safely in PHP

  Shorten UTF-8 text with mb_ functions so accents and emoji are never cut in half.

• PHP Tested

  Slugify a string in PHP

  Create URL-safe lowercase slugs from titles, removing accents and punctuation.

• PHP Tested

  Retry a callable with exponential backoff in PHP

  Re-run flaky operations with growing delays and jitter, only for chosen exception types.

• PHP Tested

  Read a large CSV file with a generator

  Stream CSV rows as associative arrays using fgetcsv, without loading the whole file into memory.

• PHP Tested

  Group an array of records by a key

  Turn a flat list of associative arrays into groups keyed by a field or callback.

• PHP Tested

  Generate a secure random token in PHP

  Create unpredictable tokens for password resets, API keys and CSRF protection with random_bytes.

• PHP Tested

  Format bytes as a readable size in PHP

  Convert a number of bytes to KB, MB or GB with a chosen precision.

• PHP Tested

  Escape output to prevent XSS in PHP

  A short helper around htmlspecialchars with the right flags for HTML text and attribute values.

• PHP Tested

  CSRF token generation and verification

  Protect state-changing forms with a per-session token compared in constant time.

• PHP Tested

  Verify an HMAC signature in PHP (constant time)

  Check a webhook or signed-request HMAC with hash_hmac and hash_equals to avoid timing attacks.

• PHP Tested

  Decode JSON safely in PHP

  Parse JSON with exceptions on error and a depth limit, instead of silently getting null.