PHP Quick Reference Guide & Built-In Functions Index (PHP 8.x)
This PHP Quick Reference Guide serves as a handy desktop cheat sheet for BCA students, developers, and bloggers. It compiles direct links to all 20 built-in PHP function libraries, superglobal indexes, and essential syntax cheat sheets.
Directory of Built-In PHP Function Reference Pages
Click any link below to explore comprehensive syntax tables, parameters, and code examples for each function library:
- Array Functions Reference (count, sort, in_array, array_merge)
- String Functions Reference (strlen, strpos, str_replace, substr)
- Math Functions Reference (round, ceil, floor, rand, sqrt)
- Date & Time Functions Reference (date, time, strtotime, mktime)
- File System Functions Reference (file_exists, filesize, copy, unlink)
- Directory Functions Reference (scandir, opendir, readdir, closedir)
- Filter Functions Reference (filter_var, filter_input, validation)
- MySQLi Functions Reference (mysqli_connect, prepare, query)
- Calendar Functions Reference (cal_days_in_month, jdtojewish)
- Timezones Functions Reference (date_default_timezone_set)
- XML Functions Reference (simplexml_load_string, simplexml_load_file)
- Libxml Functions Reference (libxml_use_internal_errors)
- Error Functions Reference (error_reporting, error_log)
- HTTP Header Functions Reference (header, http_response_code)
- Mail Functions Reference (mail, headers, attachments)
- Zip Functions Reference (ZipArchive, extractTo, addFile)
- FTP Functions Reference (ftp_connect, ftp_login, ftp_put)
- Binary Functions Reference (bin2hex, hex2bin, pack, unpack)
- Miscellaneous Functions Reference (sleep, uniqid, eval)
- Legacy MySQL Functions Reference (Deprecated reference notes)
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