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<?php
/**
* Validate
*
* @package surerank
* @since 0.0.1
*/
namespace SureRank\Inc\Functions;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Validate
* This class contains functions to validate the given value.
*
* @since 1.0.0
*/
class Validate {
/**
* This function checks if the given value is a string or not.
* If it is a string, it returns the string, else it returns the default value.
*
* @param mixed $value The value to check.
* @param string $default Default value to return if the given value is not a string.
* @since 0.0.1
* @return string
*/
public static function string( $value, $default = '' ) {
return is_string( $value ) ? $value : $default;
}
/**
* This function checks if the given value is empty or not.
* If it is not empty, it returns the value, else it returns the default value.
*
* @param mixed $value The value to check.
* @param string $default Default value to return if the given value is not a string.
* @since 0.0.1
* @return string
*/
public static function not_empty( $value, $default = '' ) {
return ! empty( $value ) ? $value : $default;
}
/**
* This function checks if the given value is an array or not.
* If it is an array, it returns the array, else it returns the default value.
*
* @param mixed $value The value to check.
* @param array<string, mixed>|array<int, array<string, mixed>> $default Default value to return if the given value is not an array.
* @since 0.0.1
* @return array<string, mixed>|array<int, array<string, mixed>>
*/
public static function array( $value, $default = [] ) {
return is_array( $value ) ? $value : $default;
}
/**
* This function checks if the given value is empty string or not.
* It will only return false if the value is an empty string. Not for other falsy values like 0, [], etc.
*
* @param mixed $value The value to check.
* @since 0.0.1
* @return bool
*/
public static function empty_string( $value ) {
if ( is_array( $value ) ) {
return ! empty( $value );
}
if ( ! empty( $value ) ) {
return true;
}
if ( is_bool( $value ) ) {
return true;
}
if ( is_string( $value ) && '' === trim( $value ) ) {
return false;
}
return false;
}
}