Your IP : 216.73.216.171
<?php
/**
* Main access to the Code-Library.
* Access via function `lib3()`.
*
* Inspired by Jigsaw plugin by Jared Novack (http://jigsaw.upstatement.com/)
*
* @since 1.0.0
*/
class TheLib_Core extends TheLib {
/**
* Interface to the array component.
*
* @since 1.1.5
* @api
*
* @var TheLib_Array
*/
public $array = null;
/**
* Interface to the Debug component.
*
* @since 1.1.0
* @api
*
* @var TheLib_Debug
*/
public $debug = null;
/**
* Interface to the HTML component.
*
* @since 1.1.0
* @api
*
* @var TheLib_Html
*/
public $html = null;
/**
* Interface to the Net component.
*
* @since 1.1.0
* @api
*
* @var TheLib_Net
*/
public $net = null;
/**
* Interface to the session component.
*
* @since 1.1.5
* @api
*
* @var TheLib_Session
*/
public $session = null;
/**
* Interface to the updates component.
*
* @since 1.1.5
* @api
*
* @var TheLib_Updates
*/
public $updates = null;
/**
* Interface to the UI component.
*
* @since 1.1.5
* @api
*
* @var TheLib_Ui
*/
public $ui = null;
/**
* Class constructor
*
* @since 1.0.0
* @internal
*/
public function __construct() {
parent::__construct();
self::$core = $this;
// A List of all components.
$components = array(
'array',
'debug',
'html',
'net',
'session',
'updates',
'ui',
);
// Create instances of each component.
foreach ( $components as $component ) {
if ( ! property_exists( $this, $component ) ) { continue; }
$class_name = 'TheLib_' . ucfirst( $component );
$this->$component = new $class_name();
}
}
/**
* Checks if the provided value evaluates to a boolean TRUE.
*
* Following values are considered true:
* - Boolean: true
* - Number: anything except 0
* - Strings: true, yes, on (case insensitive)
*
* @since 1.1.0
* @api
*
* @param mixed $value A value that will be evaluated as a boolean.
* @return bool True if the specified $value evaluated to TRUE.
*/
public function is_true( $value ) {
if ( false === $value || null === $value || '' === $value ) {
return false;
} elseif ( true === $value ) {
return true;
} elseif ( is_numeric( $value ) ) {
$value = intval( $value );
return $value != 0;
} elseif ( is_string( $value ) ) {
$value = strtolower( trim( $value ) );
return in_array(
$value,
array( 'true', 'yes', 'on', '1' )
);
}
return false;
}
/**
* Opposite of the is_true() function.
*
* @since 3.0.0
* @param mixed $value A value that will be evaluated as a boolean
* @return bool True if the speciefied value evals as FALSE
*/
public function is_false( $value ) {
return ! $this->is_true( $value );
}
/**
* Converts a number from any base to another base.
* The from/to base values can even be non-numeric values.
*
* @since 2.0.2
* @api
*
* @param string $number A number in the base_from base.
* @param string $base_from List of characters
* E.g. 0123456789 to convert from decimal.
* @param string $base_to List of characters to use as destination base.
* E.g. 0123456789ABCDEF to convert to hexadecimal.
* @return string The converted number
*/
public function convert( $number, $base_from = '0123456789', $base_to = '0123456789ABCDEF' ) {
if ( $base_from == $base_to ) {
// No conversion needed.
return $number;
}
$retval = '';
$number_len = strlen( $number );
if ( '0123456789' == $base_to ) {
// Convert a value to normal decimal base.
$arr_base_from = str_split( $base_from, 1 );
$arr_number = str_split( $number, 1 );
$base_from_len = strlen( $base_from );
$retval = 0;
for ( $i = 1; $i <= $number_len; $i += 1 ) {
$retval = bcadd(
$retval,
bcmul(
array_search( $arr_number[$i - 1], $arr_base_from ),
bcpow( $base_from_len, $number_len - $i )
)
);
}
} else {
// Convert a value to a NON-decimal base.
if ( '0123456789' != $base_from ) {
// Base value is non-decimal, convert it to decimal first.
$base10 = $this->convert( $number, $base_from, '0123456789' );
} else {
// Base value is decimal.
$base10 = $number;
}
$arr_base_to = str_split( $base_to, 1 );
$base_to_len = strlen( $base_to );
if ( $base10 < strlen( $base_to ) ) {
$retval = $arr_base_to[$base10];
} else {
while ( 0 != $base10 ) {
$retval = $arr_base_to[bcmod( $base10, $base_to_len )] . $retval;
$base10 = bcdiv( $base10, $base_to_len, 0 );
}
}
}
return $retval;
}
}