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PHP Reference
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PHP Array
- PHP Array
- array()
- array_change_key_case()
- array_chunk()
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- array_diff()
- array_diff_assoc()
- array_diff_key()
- array_diff_uassoc()
- array_diff_ukey()
- array_fill()
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- array_filter()
- array_flip()
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- array_intersect_assoc()
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- array_udiff_uassoc()
- array_uintersect()
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- PHP Calendar
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PHP Date
- PHP Date
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- date()
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- PHP Directory
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PHP Filesystem
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- PHP Filter
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PHP FTP
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- PHP JSON
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PHP Keywords
- PHP Keywords
- abstract
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- PHP Libxml
- PHP Mail
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PHP Math
- PHP Math
- abs()
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- asin()
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- atan()
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- atanh()
- base_convert()
- bindec()
- ceil()
- cos()
- cosh()
- decbin()
- dechex()
- decoct()
- deg2rad()
- exp()
- expm1()
- floor()
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- getrandmax()
- hexdec()
- hypot()
- intdiv()
- is_finite()
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- is_nan()
- lcg_value()
- log()
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- log1p()
- max()
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- mt_getrandmax()
- mt_rand()
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- octdec()
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- tan()
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PHP Misc
- PHP Misc
- connection_aborted()
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- highlight_file()
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- pack()
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- show_source()
- sleep()
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PHP MySQLi
- PHP MySQLi
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PHP Network
- PHP Network
- checkdnsrr()
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- fsockopen()
- gethostbyaddr()
- gethostbyname()
- gethostbynamel()
- gethostname()
- getmxrr()
- getprotobyname()
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- getservbyname()
- getservbyport()
- header_register_callback()
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- header()
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- inet_ntop()
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- openlog()
- pfsockopen()
- setcookie()
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- socket_get_status()
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- syslog()
- PHP Output Control
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PHP SimpleXML
- PHP SimpleXML
- __construct()
- __tostring()
- addAttribute()
- addChild()
- asXML()
- attributes()
- children()
- count()
- getDocNamespaces()
- getName()
- getNamespaces()
- registerXPathNamespace()
- saveXML()
- simplexml_import_dom()
- simplexml_load_file()
- simplexml_load_string()
- xpath()
- current()
- getchildren()
- haschildren()
- key()
- next()
- rewind()
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- PHP Stream
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PHP String
- PHP String
- addcslashes()
- addslashes()
- bin2hex()
- chop()
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- crc32()
- crypt()
- echo()
- explode()
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- get_html_translation_table()
- hebrev()
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- hex2bin()
- html_entity_decode()
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- htmlspecialchars()
- implode()
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- levenshtein()
- localeconv()
- ltrim()
- md5()
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- metaphone()
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- number_format()
- ord()
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- printf()
- quoted_printable_decode()
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- quotemeta()
- rtrim()
- setlocale()
- sha1()
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- similar_text()
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- sprintf()
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- str_getcsv()
- str_ireplace()
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- strip_tags()
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- strnatcasecmp()
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- strtr()
- substr()
- substr_compare()
- substr_count()
- substr_replace()
- trim()
- ucfirst()
- ucwords()
- vfprintf()
- vprintf()
- vsprintf()
- wordwrap()
-
PHP Variable Handling
- PHP Variable Handling
- boolval()
- debug_zval_dump()
- doubleval()
- is_countable()
- empty()
- floatval()
- get_defined_vars()
- get_resource_type()
- gettype()
- intval()
- is_array()
- is_bool()
- is_callable()
- is_double()
- is_float()
- is_int()
- is_integer()
- is_iterable()
- is_long()
- is_null()
- is_numeric()
- is_object()
- is_real()
- is_resource()
- is_scalar()
- is_string()
- isset()
- print_r()
- serialize()
- settype()
- strval()
- unserialize()
- unset()
- var_dump()
- var_export()
-
PHP XML Parser
- PHP XML Parser
- utf8_decode()
- utf8_encode()
- xml_error_string()
- xml_get_current_byte_index()
- xml_get_current_column_number()
- xml_get_current_line_number()
- xml_get_error_code()
- xml_parse()
- xml_parse_into_struct()
- xml_parser_create_ns()
- xml_parser_create()
- xml_parser_free()
- xml_parser_get_option()
- xml_parser_set_option()
- xml_set_character_data_handler()
- xml_set_default_handler()
- xml_set_element_handler()
- xml_set_end_namespace_decl_handler()
- xml_set_external_entity_ref_handler()
- xml_set_notation_decl_handler()
- xml_set_object()
- xml_set_processing_instruction_handler()
- xml_set_start_namespace_decl_handler()
- xml_set_unparsed_entity_decl_handler()
- PHP Zip
- PHP Timezones
PHP gethostbyname() Function
Example
A gethostbyname() example:
<?php
$ip = gethostbyname("www.91xjr.com");
echo $ip;
?>
Definition and Usage
The gethostbyname() function returns the IPv4 address for a given domain/host name.
Syntax
gethostbyname(
hostname)
Parameter Values
| Parameter | Description |
|---|---|
| hostname | Required. Specifies a hostname (like "www.91xjr.com") |
Technical Details
| Return Value: | The IPv4 address on success. The hostname on failure. |
|---|---|
| PHP Version: | 4.0+ |
❮ PHP Network Reference
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