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[12.x] Add Str::isEmpty() and Str::isNotEmpty() to match API symmetry #57280

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[12.x] Add Str::isEmpty() and Str::isNotEmpty() to match API symmetry #57280

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56f4f3d
Add Str::isEmpty() and Str::isNotEmpty() methods
michaelcontento Oct 5, 2025
09f1fbc
Add tests for Str::isEmpty() and Str::isNotEmpty() methods
michaelcontento Oct 5, 2025
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22 changes: 22 additions & 0 deletions src/Illuminate/Support/Str.php
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Original file line number Diff line number Diff line change
Expand Up @@ -687,6 +687,28 @@ public static function isUlid($value)
return Ulid::isValid($value);
}

/**
* Determine if the given string is empty.
*
* @param string $value
* @return bool
*/
public static function isEmpty($value)
{
return $value === '';
}

/**
* Determine if the given string is not empty.
*
* @param string $value
* @return bool
*/
public static function isNotEmpty($value)
{
return $value !== '';
}

/**
* Convert a string to kebab case.
*
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20 changes: 20 additions & 0 deletions tests/Support/SupportStrTest.php
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Expand Up @@ -708,6 +708,26 @@ public function testIsJson()
$this->assertFalse(Str::isJson([]));
}

public function testIsEmpty()
{
$this->assertTrue(Str::isEmpty(''));
$this->assertFalse(Str::isEmpty('0'));
$this->assertFalse(Str::isEmpty(' '));
$this->assertFalse(Str::isEmpty('hello'));
$this->assertFalse(Str::isEmpty('false'));
$this->assertFalse(Str::isEmpty('null'));
}

public function testIsNotEmpty()
{
$this->assertFalse(Str::isNotEmpty(''));
$this->assertTrue(Str::isNotEmpty('0'));
$this->assertTrue(Str::isNotEmpty(' '));
$this->assertTrue(Str::isNotEmpty('hello'));
$this->assertTrue(Str::isNotEmpty('false'));
$this->assertTrue(Str::isNotEmpty('null'));
}

public function testIsMatch()
{
$this->assertTrue(Str::isMatch('/.*,.*!/', 'Hello, Laravel!'));
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