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wp_validate_boolean()

wp_validate_boolean( mixed $value ): bool

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Filters/validates a variable as a boolean.

Description

Alternative to filter_var( $value, FILTER_VALIDATE_BOOLEAN ).

Parameters

$valuemixedrequired
Boolean value to validate.

Return

bool Whether the value is validated.

Source

		array_push( $encodings, $encoding );
		mb_internal_encoding( 'ISO-8859-1' );
	}

	if ( $reset && $encodings ) {
		$encoding = array_pop( $encodings );
		mb_internal_encoding( $encoding );
	}
}

/**

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Changelog

VersionDescription
4.0.0Introduced.

User Contributed Notes

  1. Skip to note 2 content
    Daniel Pietrasik
    You must log in to vote on the helpfulness of this noteVote results for this note: 2You must log in to vote on the helpfulness of this note

    wp_validate_boolean() tests:

    wp_validate_boolean(true)); //returns bool(true)
wp_validate_boolean(false)); //returns bool(false)
wp_validate_boolean('true')); //returns bool(true)
wp_validate_boolean('false')); //returns bool(false)
wp_validate_boolean('test')); //returns bool(true)
wp_validate_boolean(123)); //returns bool(true)
wp_validate_boolean(0)); //returns bool(false)
wp_validate_boolean(null)); //returns bool(false)
wp_validate_boolean([]); //returns bool(false)
wp_validate_boolean(['test']); //returns bool(true)
wp_validate_boolean([123]); //returns bool(true)
wp_validate_boolean(new StdClass()) //returns bool(true)
wp_validate_boolean()); //returns Error

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