com.datumbox.framework.core.common.utilities

Class PHPMethods

java.lang.Object

com.datumbox.framework.core.common.utilities.PHPMethods

public class PHPMethods
extends java.lang.Object

This class contains a number of convenience methods which have an API similar to PHP functions and their are implemented in Java.

Constructor Summary

Constructors

Constructor and Description
PHPMethods()

Method Summary

Modifier and Type	Method and Description
static <T> void	arrangeByIndex(T[] array, java.lang.Integer[] indexes) Rearranges the array based on the order of the provided indexes.
static double[]	array_clone(double[] a) Copies the elements of double array.
static double[][]	array_clone(double[][] a) Copies the elements of double 2D array.
static <K,V> java.util.Map<V,K>	array_flip(java.util.Map<K,V> map) It flips the key and values of a map.
static <T extends java.lang.Comparable<T>> java.lang.Integer[]	arsort(T[] array) Sorts an array in descending order and returns an array with indexes of the original order.
static <T extends java.lang.Comparable<T>> java.lang.Integer[]	asort(T[] array) Sorts an array in ascending order and returns an array with indexes of the original order.
static double	log(double d, double base) Returns the logarithm of a number at an arbitrary base.
static java.lang.String	ltrim(java.lang.String s) Trims spaces on the left.
static int	mt_rand() Returns a random positive integer
static double	mt_rand(double min, double max) Returns a random double between min and max
static int	mt_rand(int min, int max) Returns a random integer between min and max
static int	preg_match(java.util.regex.Pattern pattern, java.lang.String subject) Matches a string with a pattern.
static int	preg_match(java.lang.String regex, java.lang.String subject) Matches a string with a regex.
static java.lang.String	preg_replace(java.util.regex.Pattern pattern, java.lang.String replacement, java.lang.String subject) Matches a string with a pattern and replaces the matched components with a provided string.
static java.lang.String	preg_replace(java.lang.String regex, java.lang.String replacement, java.lang.String subject) Matches a string with a regex and replaces the matched components with a provided string.
static double	round(double d, int i) Rounds a number to a specified precision.
static java.lang.String	rtrim(java.lang.String s) Trims spaces on the right.
static <T> void	shuffle(T[] array) Shuffles the values of any array in place.
static <T> void	shuffle(T[] array, java.util.Random rnd) Shuffles the values of any array in place using the provided random generator.
static int	substr_count(java.lang.String string, char character) Count the number of times a character appears in the string.
static int	substr_count(java.lang.String string, java.lang.String substring) Count the number of substring occurrences.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PHPMethods

public PHPMethods()

Method Detail

ltrim

public static java.lang.String ltrim(java.lang.String s)

Trims spaces on the left.

Parameters:

s -

Returns:

rtrim

public static java.lang.String rtrim(java.lang.String s)

Trims spaces on the right.

Parameters:

s -

Returns:

substr_count

public static int substr_count(java.lang.String string,
                               java.lang.String substring)

Count the number of substring occurrences.

Parameters:

string -

substring -

Returns:

substr_count

public static int substr_count(java.lang.String string,
                               char character)

Count the number of times a character appears in the string.

Parameters:

string -

character -

Returns:

preg_replace

public static java.lang.String preg_replace(java.lang.String regex,
                                            java.lang.String replacement,
                                            java.lang.String subject)

Matches a string with a regex and replaces the matched components with a provided string.

Parameters:

regex -

replacement -

subject -

Returns:

preg_replace

public static java.lang.String preg_replace(java.util.regex.Pattern pattern,
                                            java.lang.String replacement,
                                            java.lang.String subject)

Matches a string with a pattern and replaces the matched components with a provided string.

Parameters:

pattern -

replacement -

subject -

Returns:

preg_match

public static int preg_match(java.lang.String regex,
                             java.lang.String subject)

Matches a string with a regex.

Parameters:

regex -

subject -

Returns:

preg_match

public static int preg_match(java.util.regex.Pattern pattern,
                             java.lang.String subject)

Matches a string with a pattern.

Parameters:

pattern -

subject -

Returns:

round

public static double round(double d,
                           int i)

Rounds a number to a specified precision.

Parameters:

d -

i -

Returns:

log

public static double log(double d,
                         double base)

Returns the logarithm of a number at an arbitrary base.

Parameters:

d -

base -

Returns:

mt_rand

public static int mt_rand()

Returns a random positive integer

Returns:

mt_rand

public static int mt_rand(int min,
                          int max)

Returns a random integer between min and max

Parameters:

min -

max -

Returns:

mt_rand

public static double mt_rand(double min,
                             double max)

Returns a random double between min and max

Parameters:

min -

max -

Returns:

array_flip

public static <K,V> java.util.Map<V,K> array_flip(java.util.Map<K,V> map)

It flips the key and values of a map.

Type Parameters:

K -

V -

Parameters:

map -

Returns:

shuffle

public static <T> void shuffle(T[] array)

Shuffles the values of any array in place.

Type Parameters:

T -

Parameters:

array -

shuffle

public static <T> void shuffle(T[] array,
                               java.util.Random rnd)

Shuffles the values of any array in place using the provided random generator.

Type Parameters:

T -

Parameters:

array -

rnd -

asort

public static <T extends java.lang.Comparable<T>> java.lang.Integer[] asort(T[] array)

Sorts an array in ascending order and returns an array with indexes of the original order.

Type Parameters:

T -

Parameters:

array -

Returns:

arsort

public static <T extends java.lang.Comparable<T>> java.lang.Integer[] arsort(T[] array)

Sorts an array in descending order and returns an array with indexes of the original order.

Type Parameters:

T -

Parameters:

array -

Returns:

arrangeByIndex

public static <T> void arrangeByIndex(T[] array,
                                      java.lang.Integer[] indexes)

Rearranges the array based on the order of the provided indexes.

Type Parameters:

T -

Parameters:

array -

indexes -

array_clone

public static double[] array_clone(double[] a)

Copies the elements of double array.

Parameters:

a -

Returns:

array_clone

public static double[][] array_clone(double[][] a)

Copies the elements of double 2D array.

Parameters:

a -

Returns: