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PHP Tutorial

PHP HOMEPHP IntroPHP InstallPHP SyntaxPHP CommentsPHP VariablesPHP Echo / PrintPHP Data TypesPHP StringsPHP NumbersPHP CastingPHP MathPHP ConstantsPHP Magic ConstantsPHP OperatorsPHP If...Else...ElseifPHP SwitchPHP LoopsPHP FunctionsPHP ArraysPHP SuperglobalsPHP RegExPHP RegEx Functions

PHP Forms

PHP Form HandlingPHP Form ValidationPHP Form RequiredPHP Form URL/E-mailPHP Form Complete

PHP Advanced

PHP Date and TimePHP IncludePHP File HandlingPHP File Open/ReadPHP File Create/WritePHP File UploadPHP CookiesPHP SessionsPHP FiltersPHP Filters AdvancedPHP Callback FunctionsPHP JSONPHP Exceptions

PHP OOP

PHP What is OOPPHP Classes/ObjectsPHP ConstructorPHP DestructorPHP Access ModifiersPHP InheritancePHP ConstantsPHP Abstract ClassesPHP InterfacesPHP TraitsPHP Static MethodsPHP Static PropertiesPHP NamespacesPHP Iterables

MySQL Database

MySQL DatabaseMySQL ConnectMySQL Create DBMySQL Create TableMySQL Insert DataMySQL Get Last IDMySQL Insert MultipleMySQL PreparedMySQL Select DataMySQL WhereMySQL Order ByMySQL Delete DataMySQL Update DataMySQL Limit Data

PHP XML

PHP XML ParsersPHP SimpleXML ParserPHP SimpleXML - GetPHP XML ExpatPHP XML DOM

PHP - AJAX

AJAX IntroAJAX PHPAJAX DatabaseAJAX XMLAJAX Live SearchAJAX Poll

PHP Examples

PHP ExamplesPHP CompilerPHP QuizPHP ExercisesPHP ServerPHP SyllabusPHP Study PlanPHP Certificate

PHP Reference

PHP OverviewPHP Array
array()array_change_key_case()array_chunk()array_column()array_combine()array_count_values()array_diff()array_diff_assoc()array_diff_key()array_diff_uassoc()array_diff_ukey()array_fill()array_fill_keys()array_filter()array_flip()array_intersect()array_intersect_assoc()array_intersect_key()array_intersect_uassoc()array_intersect_ukey()array_key_exists()array_keys()array_map()array_merge()array_merge_recursive()array_multisort()array_pad()array_pop()array_product()array_push()array_rand()array_reduce()array_replace()array_replace_recursive()array_reverse()array_search()array_shift()array_slice()array_splice()array_sum()array_udiff()array_udiff_assoc()array_udiff_uassoc()array_uintersect()array_uintersect_assoc()array_uintersect_uassoc()array_unique()array_unshift()array_values()array_walk()array_walk_recursive()arsort()asort()compact()count()current()each()end()extract()in_array()key()krsort()ksort()list()natcasesort()natsort()next()pos()prev()range()reset()rsort()shuffle()sizeof()sort()uasort()uksort()usort()
PHP CalendarPHP Date
checkdate()date_add()date_create_from_format()date_create()date_date_set()date_default_timezone_get()date_default_timezone_set()date_diff()date_format()date_get_last_errors()date_interval_create_from_date_string()date_interval_format()date_isodate_set()date_modify()date_offset_get()date_parse_from_format()date_parse()date_sub()date_sun_info()date_sunrise()date_sunset()date_time_set()date_timestamp_get()date_timestamp_set()date_timezone_get()date_timezone_set()date()getdate()gettimeofday()gmdate()gmmktime()gmstrftime()idate()localtime()microtime()mktime()strftime()strptime()strtotime()time()timezone_abbreviations_list()timezone_identifiers_list()timezone_location_get()timezone_name_from_abbr()timezone_name_get()timezone_offset_get()timezone_open()timezone_transitions_get()timezone_version_get()
PHP DirectoryPHP ErrorPHP ExceptionPHP Filesystem
basename()chgrp()chmod()chown()clearstatcache()copy()delete()dirname()disk_free_space()disk_total_space()diskfreespace()fclose()feof()fflush()fgetc()fgetcsv()fgets()fgetss()file()file_exists()file_get_contents()file_put_contents()fileatime()filectime()filegroup()fileinode()filemtime()fileowner()fileperms()filesize()filetype()flock()fnmatch()fopen()fpassthru()fputcsv()fputs()fread()fscanf()fseek()fstat()ftell()ftruncate()fwrite()glob()is_dir()is_executable()is_file()is_link()is_readable()is_uploaded_file()is_writable()is_writeable()lchgrp()lchown()link()linkinfo()lstat()mkdir()move_uploaded_file()parse_ini_file()parse_ini_string()pathinfo()pclose()popen()readfile()readlink()realpath()realpath_cache_get()realpath_cache_size()rename()rewind()rmdir()set_file_buffer()stat()symlink()tempnam()tmpfile()touch()umask()unlink()
PHP FilterPHP FTPPHP JSONPHP KeywordsPHP LibxmlPHP MailPHP MathPHP MiscPHP MySQLiPHP NetworkPHP Output ControlPHP RegExPHP SimpleXMLPHP StreamPHP String
addcslashes()addslashes()bin2hex()chop()chr()chunk_split()convert_cyr_string()convert_uudecode()convert_uuencode()count_chars()crc32()crypt()echo()explode()fprint()get_html_translation_table()hebrev()hebrevc()hex2bin()html_entity_decode()htmlentities()htmlspecialchars_decode()htmlspecialchars()implode()join()lcfirst()levenshtein()localeconv()ltrim()md5()md5_file()metaphone()money_format()nl_langinfo()nl2br()number_format()ord()parse_str()print()printf()quoted_printable_decode()quoted_printable_encode()quotemeta()rtrim()setlocale()sha1()sha1_file()similar_text()soundex()sprintf()sscanf()str_contains()str_ends_with()str_getcsv()str_ireplace()str_pad()str_repeat()str_replace()str_rot13()str_shuffle()str_split()str_starts_with()str_word_count()strcasecmp()strchr()strcmp()strcoll()strcspn()strip_tags()stripcslashes()stripslashes()stripos()stristr()strlen()strnatcasecmp()strnatcmp()strncasecmp()strncmp()strpbrk()strpos()strrchr()strrev()strripos()strrpos()strspn()strstr()strtok()strtolower()strtoupper()strtr()substr()substr_compare()substr_count()substr_replace()trim()ucfirst()ucwords()vfprintf()vprintf()vsprintf()wordwrap()
PHP Variable HandlingPHP XML ParserPHP ZipPHP Timezones

PHPTutorial

Learn PHP

PHP is a powerful server-side scripting language for making dynamic and interactive Web pages.

PHP is widely-used, open-source and free.

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Easy Learning with "PHP Tryit"

With our online "PHP Tryit" editor, you can edit the PHP code, and click on a button to view the result.

Example

<!DOCTYPE html><html><body> <?phpecho 'My first PHP script!';?></body></html>
Try it Yourself »

Click on the "Try it Yourself" button to see how it works.


PHP Exercises

Most chapters in this tutorial end with exercises where you can check your knowledge.

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PHP Examples

Learn by examples! This tutorial supplements all explanations with clarifying examples.

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PHP Quiz Test

Learn by taking a quiz! This quiz will give you a signal of how much you know, or do not know, about PHP.

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PHP References

W3Schools' PHP reference contains different categories of all PHP functions, keywords and constants, along with examples.


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