Documentation

Image extends Base
in package

Depends on image generation from http://lorempixel.com/

Table of Contents

BASE_URL  = 'https://via.placeholder.com'
$categories  : array<string|int, mixed>
$generator  : Generator
$unique  : UniqueGenerator
__construct()  : mixed
asciify()  : string
Replaces * signs with random numbers and letters and special characters
bothify()  : string
Replaces hash signs ('#') and question marks ('?') with random numbers and letters An asterisk ('*') is replaced with either a random number or a random letter
image()  : bool|string
Download a remote random image to disk and return its location
imageUrl()  : string
Generate the URL that will return a random image
lexify()  : string
Replaces all question mark ('?') occurrences with a random letter
numberBetween()  : int
Returns a random number between $int1 and $int2 (any order)
numerify()  : string
Replaces all hash sign ('#') occurrences with a random number Replaces all percentage sign ('%') occurrences with a not null number
optional()  : mixed|null
Chainable method for making any formatter optional.
passthrough()  : mixed
Returns the passed value
randomAscii()  : string
Returns a random ASCII character (excluding accents and special chars)
randomDigit()  : int
Returns a random number between 0 and 9
randomDigitNot()  : int
Generates a random digit, which cannot be $except
randomDigitNotNull()  : int
Returns a random number between 1 and 9
randomElement()  : mixed
Returns a random element from a passed array
randomElements()  : array<string|int, mixed>
Returns randomly ordered subsequence of $count elements from a provided array
randomFloat()  : float
Return a random float number
randomKey()  : int|string|null
Returns a random key from a passed associative array
randomLetter()  : string
Returns a random letter from a to z
randomNumber()  : int
Returns a random integer with 0 to $nbDigits digits.
regexify()  : string
Transforms a basic regular expression into a random string satisfying the expression.
shuffle()  : array<string|int, mixed>|string
Returns a shuffled version of the argument.
shuffleArray()  : array<string|int, mixed>
Returns a shuffled version of the array.
shuffleString()  : string
Returns a shuffled version of the string.
toLower()  : string
Converts string to lowercase.
toUpper()  : string
Converts string to uppercase.
unique()  : UniqueGenerator
Chainable method for making any formatter unique.
valid()  : ValidGenerator
Chainable method for forcing any formatter to return only valid values.
replaceWildcard()  : mixed

Constants

BASE_URL

public string BASE_URL = 'https://via.placeholder.com'

Properties

$categories

protected static array<string|int, mixed> $categories = ['abstract', 'animals', 'business', 'cats', 'city', 'food', 'nightlife', 'fashion', 'people', 'nature', 'sports', 'technics', 'transport']
Tags
deprecated

Categories are no longer used as a list in the placeholder API but referenced as string instead

Methods

__construct()

public __construct(Generator $generator) : mixed
Parameters
$generator : Generator
Return values
mixed —

asciify()

Replaces * signs with random numbers and letters and special characters

public static asciify([string $string = '****' ]) : string
Parameters
$string : string = '****'

String that needs to bet parsed

Tags
example

$faker->asciify(''********'); // "s5'G!uC3"

Return values
string —

bothify()

Replaces hash signs ('#') and question marks ('?') with random numbers and letters An asterisk ('*') is replaced with either a random number or a random letter

public static bothify([string $string = '## ??' ]) : string
Parameters
$string : string = '## ??'

String that needs to bet parsed

Return values
string —

image()

Download a remote random image to disk and return its location

public static image([mixed $dir = null ][, mixed $width = 640 ][, mixed $height = 480 ][, mixed $category = null ][, mixed $fullPath = true ][, mixed $randomize = true ][, mixed $word = null ][, mixed $gray = false ]) : bool|string

Requires curl, or allow_url_fopen to be on in php.ini.

Parameters
$dir : mixed = null
$width : mixed = 640
$height : mixed = 480
$category : mixed = null
$fullPath : mixed = true
$randomize : mixed = true
$word : mixed = null
$gray : mixed = false
Tags
example

'/path/to/dir/13b73edae8443990be1aa8f1a483bc27.png'

Return values
bool|string —

imageUrl()

Generate the URL that will return a random image

public static imageUrl([int $width = 640 ][, int $height = 480 ][, string|null $category = null ][, bool $randomize = true ][, string|null $word = null ][, bool $gray = false ]) : string

Set randomize to false to remove the random GET parameter at the end of the url.

Parameters
$width : int = 640
$height : int = 480
$category : string|null = null
$randomize : bool = true
$word : string|null = null
$gray : bool = false
Tags
example

'http://via.placeholder.com/640x480.png/CCCCCC?text=well+hi+there'

Return values
string —

lexify()

Replaces all question mark ('?') occurrences with a random letter

public static lexify([string $string = '????' ]) : string
Parameters
$string : string = '????'

String that needs to bet parsed

Return values
string —

numberBetween()

Returns a random number between $int1 and $int2 (any order)

public static numberBetween(int $int1[, int $int2 = 2147483647 ]) : int
Parameters
$int1 : int

default to 0

$int2 : int = 2147483647

defaults to 32 bit max integer, ie 2147483647

Tags
example

79907610

Return values
int —

numerify()

Replaces all hash sign ('#') occurrences with a random number Replaces all percentage sign ('%') occurrences with a not null number

public static numerify([string $string = '###' ]) : string
Parameters
$string : string = '###'

String that needs to bet parsed

Return values
string —

optional()

Chainable method for making any formatter optional.

public optional([float|int $weight = 0.5 ][, mixed $default = null ]) : mixed|null
Parameters
$weight : float|int = 0.5

Set the probability of receiving a null value. "0" will always return null, "1" will always return the generator. If $weight is an integer value, then the same system works between 0 (always get false) and 100 (always get true).

$default : mixed = null
Return values
mixed|null —

passthrough()

Returns the passed value

public static passthrough(mixed $value) : mixed
Parameters
$value : mixed
Return values
mixed —

randomAscii()

Returns a random ASCII character (excluding accents and special chars)

public static randomAscii() : string
Return values
string —

randomDigit()

Returns a random number between 0 and 9

public static randomDigit() : int
Return values
int —

randomDigitNot()

Generates a random digit, which cannot be $except

public static randomDigitNot(int $except) : int
Parameters
$except : int
Return values
int —

randomDigitNotNull()

Returns a random number between 1 and 9

public static randomDigitNotNull() : int
Return values
int —

randomElement()

Returns a random element from a passed array

public static randomElement([array<string|int, mixed> $array = ['a', 'b', 'c'] ]) : mixed
Parameters
$array : array<string|int, mixed> = ['a', 'b', 'c']
Return values
mixed —

randomElements()

Returns randomly ordered subsequence of $count elements from a provided array

public static randomElements([array<string|int, mixed> $array = ['a', 'b', 'c'] ][, int $count = 1 ][, bool $allowDuplicates = false ]) : array<string|int, mixed>
Parameters
$array : array<string|int, mixed> = ['a', 'b', 'c']

Array to take elements from. Defaults to a-c

$count : int = 1

Number of elements to take.

$allowDuplicates : bool = false

Allow elements to be picked several times. Defaults to false

Tags
throws
LengthException

When requesting more elements than provided

Return values
array<string|int, mixed> —

New array with $count elements from $array

randomFloat()

Return a random float number

public static randomFloat([int $nbMaxDecimals = null ], float|int $min[, float|int $max = null ]) : float
Parameters
$nbMaxDecimals : int = null
$min : float|int
$max : float|int = null
Tags
example

48.8932

Return values
float —

randomKey()

Returns a random key from a passed associative array

public static randomKey([array<string|int, mixed> $array = [] ]) : int|string|null
Parameters
$array : array<string|int, mixed> = []
Return values
int|string|null —

randomLetter()

Returns a random letter from a to z

public static randomLetter() : string
Return values
string —

randomNumber()

Returns a random integer with 0 to $nbDigits digits.

public static randomNumber([int $nbDigits = null ][, bool $strict = false ]) : int

The maximum value returned is mt_getrandmax()

Parameters
$nbDigits : int = null

Defaults to a random number between 1 and 9

$strict : bool = false

Whether the returned number should have exactly $nbDigits

Tags
example

79907610

Return values
int —

regexify()

Transforms a basic regular expression into a random string satisfying the expression.

public static regexify([string $regex = '' ]) : string
Parameters
$regex : string = ''

A regular expression (delimiters are optional)

Tags
example

$faker->regexify('[A-Z0-9._%+-]+@[A-Z0-9.-]+.[A-Z]{2,4}'); // sm0@y8k96a.ej

Regex delimiters '/.../' and begin/end markers '^...$' are ignored.

Only supports a small subset of the regex syntax. For instance, unicode, negated classes, unbounded ranges, subpatterns, back references, assertions, recursive patterns, and comments are not supported. Escaping support is extremely fragile.

This method is also VERY slow. Use it only when no other formatter can generate the fake data you want. For instance, prefer calling $faker->email rather than regexify with the previous regular expression.

Also note than bothify can probably do most of what this method does, but much faster. For instance, for a dummy email generation, try $faker->bothify('?????????@???.???').

see
https://github.com/icomefromthenet/ReverseRegex

for a more robust implementation

Return values
string —

shuffle()

Returns a shuffled version of the argument.

public static shuffle([array<string|int, mixed>|string $arg = '' ]) : array<string|int, mixed>|string

This function accepts either an array, or a string.

Parameters
$arg : array<string|int, mixed>|string = ''

The set to shuffle

Tags
example

$faker->shuffle([1, 2, 3]); // [2, 1, 3]

example

$faker->shuffle('hello, world'); // 'rlo,h eold!lw'

see
shuffleArray()
see
shuffleString()
Return values
array<string|int, mixed>|string —

The shuffled set

shuffleArray()

Returns a shuffled version of the array.

public static shuffleArray([array<string|int, mixed> $array = [] ]) : array<string|int, mixed>

This function does not mutate the original array. It uses the Fisher–Yates algorithm, which is unbiased, together with a Mersenne twister random generator. This function is therefore more random than PHP's shuffle() function, and it is seedable.

Parameters
$array : array<string|int, mixed> = []

The set to shuffle

Tags
see
http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
example

$faker->shuffleArray([1, 2, 3]); // [2, 1, 3]

Return values
array<string|int, mixed> —

The shuffled set

shuffleString()

Returns a shuffled version of the string.

public static shuffleString([string $string = '' ][, string $encoding = 'UTF-8' ]) : string

This function does not mutate the original string. It uses the Fisher–Yates algorithm, which is unbiased, together with a Mersenne twister random generator. This function is therefore more random than PHP's shuffle() function, and it is seedable. Additionally, it is UTF8 safe if the mb extension is available.

Parameters
$string : string = ''

The set to shuffle

$encoding : string = 'UTF-8'

The string encoding (defaults to UTF-8)

Tags
see
http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
example

$faker->shuffleString('hello, world'); // 'rlo,h eold!lw'

Return values
string —

The shuffled set

toLower()

Converts string to lowercase.

public static toLower([string $string = '' ]) : string

Uses mb_string extension if available.

Parameters
$string : string = ''

String that should be converted to lowercase

Return values
string —

toUpper()

Converts string to uppercase.

public static toUpper([string $string = '' ]) : string

Uses mb_string extension if available.

Parameters
$string : string = ''

String that should be converted to uppercase

Return values
string —

unique()

Chainable method for making any formatter unique.

public unique([bool $reset = false ][, int $maxRetries = 10000 ]) : UniqueGenerator
// will never return twice the same value $faker->unique()->randomElement(array(1, 2, 3));
Parameters
$reset : bool = false

If set to true, resets the list of existing values

$maxRetries : int = 10000

Maximum number of retries to find a unique value, After which an OverflowException is thrown.

Tags
throws
OverflowException

When no unique value can be found by iterating $maxRetries times

Return values
UniqueGenerator —

A proxy class returning only non-existing values

valid()

Chainable method for forcing any formatter to return only valid values.

public valid([Closure $validator = null ][, int $maxRetries = 10000 ]) : ValidGenerator

The value validity is determined by a function passed as first argument.

$values = array(); $evenValidator = function ($digit) { return $digit % 2 === 0; }; for ($i=0; $i < 10; $i++) { $values []= $faker->valid($evenValidator)->randomDigit; } print_r($values); // [0, 4, 8, 4, 2, 6, 0, 8, 8, 6]
Parameters
$validator : Closure = null

A function returning true for valid values

$maxRetries : int = 10000

Maximum number of retries to find a unique value, After which an OverflowException is thrown.

Tags
throws
OverflowException

When no valid value can be found by iterating $maxRetries times

Return values
ValidGenerator —

A proxy class returning only valid values

replaceWildcard()

private static replaceWildcard(mixed $string[, mixed $wildcard = '#' ][, mixed $callback = 'static::randomDigit' ]) : mixed
Parameters
$string : mixed
$wildcard : mixed = '#'
$callback : mixed = 'static::randomDigit'
Return values
mixed —

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