PHP string helpers

PHP helper class to provide useful string functions.

• License
• Author
• Requirements
• Installation
• Usage

License

This project is open source and available under the MIT License.

Author

• Bayfront Media homepage
• Bayfront Media GitHub

Requirements

• PHP ^8.0 (Tested up to 8.4)

Installation

composer require bayfrontmedia/php-string-helpers

Usage

• startWith
• endWith
• lowercase
• uppercase
• titleCase
• camelCase
• kebabCase
• snakeCase
• random
• uid
• uuid4
• uuid7
• isValidUuid
• binToUuid
• uuidToBin
• hasComplexity

Depreciated:

• has
• hasSpace
• startsWith
• endsWith
• uuid

---

startWith

Description:

Returns string, ensuring that it starts with a given string.

Parameters:

• $string (string)
• $start_with (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::startWith($string, 'Hello! ');

---

endWith

Description:

Returns string, ensuring that it ends with a given string.

Parameters:

• $string (string)
• $end_with (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::endWith($string, ' Goodbye!');

---

lowercase

Description:

Converts string to lowercase using a specified character encoding.

See: https://www.php.net/manual/en/mbstring.supported-encodings.php

Parameters:

• $string (string)
• $encoding = 'UTF-8' (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::lowercase($string);

---

uppercase

Description:

Converts string to uppercase using a specified character encoding.

See: https://www.php.net/manual/en/mbstring.supported-encodings.php

Parameters:

• $string (string)
• $encoding = 'UTF-8' (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::uppercase($string);

---

titleCase

Description:

Converts string to title case using a specified character encoding.

See: https://www.php.net/manual/en/mbstring.supported-encodings.php

Parameters:

• $string (string)
• $encoding = 'UTF-8' (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::titleCase($string);

---

camelCase

Description:

Converts string to camel case, removing any non-alpha and non-numeric characters.

Parameters:

• $string (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::camelCase($string);

---

kebabCase

Description:

Converts string to kebab case (URL-friendly slug), replacing any non-alpha and non-numeric characters with a hyphen.

Parameters:

• $string (string)
• $lowercase = false (bool): Convert string to lowercase

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::kebabCase($string);

---

snakeCase

Description:

Converts string to snake case, replacing any non-alpha and non-numeric characters with an underscore.

Parameters:

• $string (string)
• $lowercase = false (bool): Convert string to lowercase

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

echo Str::snakeCase($string);

---

random

Description:

Return a random string of specified length and type.

Note: Returned string is not cryptographically secure.

Parameters:

• $length = 8 (int)
• $type = self::RANDOM_TYPE_ALL (string): Any RANDOM_TYPE_* constant)

Valid $type constants include:

• RANDOM_TYPE_NONZERO
• RANDOM_TYPE_NUMERIC
• RANDOM_TYPE_ALPHA: Alphabetic, upper and lowercase
• RANDOM_TYPE_ALPHA_LOWER
• RANDOM_TYPE_ALPHA_UPPER
• RANDOM_TYPE_ALPHANUMERIC: Alphanumeric, upper and lowercase
• RANDOM_TYPE_ALPHANUMERIC_LOWER
• RANDOM_TYPE_ALPHANUMERIC_UPPER
• RANDOM_TYPE_ALL: Alphanumeric and special characters

Backticks and quotation marks are excluded from special characters for safely inserting into a database.

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

echo Str::random(16, Str::RANDOM_TYPE_ALPHANUMERIC);

---

uid

Description:

Return a cryptographically secure unique identifier (UID) comprised of lowercase letters and numbers.

Parameters:

• $length = 8 (int)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

echo Str::uid(16);

uuid4

Description:

Return a UUID v4 string.

Parameters:

• (None)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

echo Str::uuid4();

---

uuid7

Description:

Return a lexicographically sortable UUID v7 string.

Parameters:

• (None)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

echo Str::uuid7();

---

isValidUuid

Description:

Is string a valid UUID?

Parameters:

• $uuid (string)

Returns:

• (boolean)

Example:

use Bayfront\StringHelpers\Str;

if (!Str::isValidUuid('9b77a49f-5d5a-4699-a8e0-21d010fdd9bc')) {
    // Do something
}

---

binToUuid

Description:

Convert 16 byte binary string to UUID.

Parameters:

• $binary (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$uuid = Str::binToUuid($binary);

---

uuidToBin

Description:

Convert UUID to 16 byte binary string.

Parameters:

• $uuid (string)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

$bin = Str::uuidToBin('9b77a49f-5d5a-4699-a8e0-21d010fdd9bc');

---

hasComplexity

Description:

Verify input string has a specified complexity.

Parameters:

• $string (string)
• $min_length (int)
• $max_length (int): 0 for no max
• $lowercase (int): Minimum number of lowercase characters
• $uppercase (int): Minimum number of uppercase characters
• $digits (int): Minimum number of digits
• $special_chars (int): Minimum number of non-alphabetic and non-numeric characters

Returns:

• (bool)

Example:

use Bayfront\StringHelpers\Str;

if (!Str::hasComplexity('abc123', 8, 32, 1, 1, 1, 1)) {
    // Do something
}

---

has

Description:

Checks if string contains a case-sensitive needle.

This method has been depreciated in favor of PHP native function str_contains.

Parameters:

• $string (string)
• $needle (string)

Returns:

• (bool)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

if (Str::has($string, 'this')) {

    // Do something

}

---

hasSpace

Description:

Checks if string contains any whitespace.

This method has been depreciated in favor of PHP native function str_contains.

Parameters:

• $string (string)

Returns:

• (bool)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

if (Str::hasSpace($string)) {

    // Do something

}

---

startsWith

Description:

Checks if a string starts with a given case-sensitive string.

This method has been depreciated in favor of PHP native function str_starts_with.

Parameters:

• $string (string)
• $starts_with (string)

Returns:

• (bool)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

if (Str::startsWith($string, 'this')) {

    // Do something

}

---

endsWith

Description:

Checks if a string ends with a given case-sensitive string.

This method has been depreciated in favor of PHP native function str_ends_with.

Parameters:

• $string (string)
• $ends_with (string)

Returns:

• (bool)

Example:

use Bayfront\StringHelpers\Str;

$string = 'This is a string.';

if (Str::endsWith($string, 'string.')) {

    // Do something

}

---

uuid

Description:

Return a UUID v4 string.

This method has been depreciated in favor of Str::uuid4 and Str::uuid7.

Parameters:

• (None)

Returns:

• (string)

Example:

use Bayfront\StringHelpers\Str;

echo Str::uuid();