core.php
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core.php
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	<?php

	namespace Keruald;

	use Keruald\OmniTools\Debug\Debugger;
	use Keruald\OmniTools\Identifiers\UUID;
	use Keruald\OmniTools\Network\IP;
	use Keruald\OmniTools\HTTP\Requests\RemoteAddress;
	use Keruald\OmniTools\HTTP\Requests\Request;
	use Keruald\OmniTools\Strings\Multibyte\StringUtilities;

	/**
	* Keruald, core libraries for Pluton and Xen engines.
	*
	* Global functions
	*/

	///
	/// Strings
	///

	/**
	* Pads a multibytes string to a certain length with another string
	*
	* @param string $input the input string
	* @param int $pad_length the target string size
	* @param string $pad_string the padding characters (optional, default is space)
	* @param int $pad_type STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH (optional, default is STR_PAD_RIGHT)
	* @param string $encoding the character encoding (optional)
	*
	* @return string the padded string
	* @deprecated Use Keruald\OmniTools\Strings\Multibyte\StringUtilities::pad
	*/
	function mb_str_pad($input, $pad_length, $pad_string = ' ', $pad_type = STR_PAD_RIGHT, $encoding = null) {
	return StringUtilities::pad($input, $pad_length, $pad_string, $pad_type, $encoding);
	}

	/**
	* Determines whether the specified is a valid IP address
	*
	* @param string $string the string to validate as an IP
	* @return bool true if the specified string is a valid IP address; otherwise, false
	* @deprecated Use Keruald\OmniTools\Network\IP::isIP
	*/
	function is_ip ($string) {
	return IP::isIP($string);
	}

	/**
	* Determines whether the specified is a valid IPv4 address
	*
	* @param string $string the string to validate as an IP
	* @return bool true if the specified string is a valid IPv4 address; otherwise, false
	* @deprecated Use Keruald\OmniTools\Network\IP::isIPv4
	*/
	function is_ipv4 ($string) {
	return IP::isIPv4($string);
	}

	/**
	* Determines whether the specified is a valid IPv6 address
	*
	* @param string $string the string to validate as an IP
	* @return bool true if the specified string is a valid IPv6 address; otherwise, false
	* @deprecated Use Keruald\OmniTools\Network\IP::isIPv6
	*/
	function is_ipv6 ($string) {
	return IP::isIPv6($string);
	}


	///
	/// Identifiers
	///

	/**
	* Generates a RFC 4211 compliant v4 UUID (random-based)
	*
	* @return string the UUID
	* @deprecated Use Keruald\OmniTools\Identifiers\UUID::UUIDv4
	*/
	function uuid () {
	return UUID::UUIDv4();
	}

	///
	/// Error and debug
	///

	/**
	* Prints human-readable information about a variable, wrapped in a <pre> block
	*
	* @param mixed $variable the variable to dump
	*/
	function dprint_r ($variable) {
	Debugger::printVariable($variable);
	}

	/**
	* Prints human-readable information about a variable, wrapped in a <pre> block
	* then dies
	*
	* @param mixed $variable the variable to dump
	*/
	function dieprint_r ($variable) {
	Debugger::printVariableAndDie($variable);
	}

	///
	/// Client information
	///

	/**
	* Returns the full header or the IP part of it
	*
	* @param string $value the header value
	* @return string the IP part
	* @deprecated
	*/
	function extract_client_ip_from_header ($value) {
	return (new RemoteAddress($value))->getClientAddress();
	}

	/**
	* Gets remote IP address.
	*
	* This is intended as a drop-in replacement for $_SERVER['REMOTE_ADDR'],
	* which takes in consideration proxy values, blindly trusted.
	*
	* @return string the remote address
	* @deprecated Use Keruald\OmniTools\HTTP\Requests\Request::getRemoteAddress()
	*/
	function get_remote_addr () {
	return Request::getRemoteAddress();
	}

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