B4BY.588

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Filename : conditionals.php
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<?php

namespace FakerPress;

/**
 * Determines if the provided value should be regarded as 'true'.
 *
 * @since 0.5.1
 *
 * @param mixed $var Value to be tested.
 *
 * @return bool
 */
function is_truthy( $var ): bool {
	if ( is_bool( $var ) ) {
		return $var;
	}

	/**
	 * Provides an opportunity to modify strings that will be
	 * deemed to evaluate to true.
	 *
	 * @param array $truthy_strings
	 */
	$truthy_strings = (array) apply_filters(
		'fakerpress_is_truthy_strings',
		[
			'1',
			'enable',
			'enabled',
			'on',
			'y',
			'yes',
			'true',
		] 
	);
	// Makes sure we are dealing with lowercase for testing
	if ( is_string( $var ) ) {
		$var = strtolower( $var );
	}

	// If $var is a string, it is only true if it is contained in the above array
	if ( in_array( $var, $truthy_strings, true ) ) {
		return true;
	}

	// All other strings will be treated as false
	if ( is_string( $var ) ) {
		return false;
	}

	// For other types (ints, floats etc) cast to bool
	return (bool) $var;
}

/**
 * Determines if the provided value is a regular expressions.
 *
 * @since 0.5.1
 *
 * @param mixed $variable Value to be tested.
 *
 * @return bool
 */
function is_regex( $variable ) {
	// @codingStandardsIgnoreStart
	$test = @preg_match( $variable, '' );

	// @codingStandardsIgnoreEnd

	return $test !== false;
}

/**
 * Determines if the provided value is an IP address.
 *
 * @since 0.5.1
 *
 * @param mixed $variable Value to be tested.
 *
 * @return bool
 */
function is_ip_address( $variable ) {
	return false !== WP_Http::is_ip_address( $variable );
}

/**
 * Determines if we are doing an AJAX request.
 *
 * @since 0.6.0
 *
 * @return bool
 */
function is_ajax(): bool {
	if ( defined( 'DOING_AJAX' ) ) {
		return DOING_AJAX;
	}

	return false;
}

/**
 * Check if it's a given request method.
 *
 * @since 0.6.0
 *
 * @param string $type Which type of request we are checking against.
 *
 * @return bool
 */
function is_request_method( string $type ): bool {
	return strtoupper( $type ) === get_request_method();
}

/**
 * Check if it's a POST request.
 *
 * @since 0.6.0
 *
 * @return bool
 */
function is_post_request(): bool {
	return is_request_method( 'POST' );
}

/**
 * Check if it's a GET request.
 *
 * @since 0.6.0
 *
 * @return bool
 */
function is_get_request(): bool {
	return is_request_method( 'GET' );
}