# usc-e-shop/2.11.31/classes/utilities.class.php

Welcart e-Commerce, version 2.11.31. 59 lines.

- Page: https://pluginprobe.com/plugins/usc-e-shop/2.11.31/code/classes/utilities.class.php
- Raw: https://pluginprobe.com/plugins/usc-e-shop/2.11.31/raw/classes/utilities.class.php
- Modified: 2023-10-03T01:19:48+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/usc-e-shop/2.11.31/code/classes/utilities.class.php#L10-L20`.

```php
<?php
/**
 * Utilities class
 *
 * @package Welcart
 */
class WCUtils {

	/**
	 * Is blank.
	 *
	 * @param mixed $val Value.
	 * @param bool  $strict Strict.
	 * @return bool
	 */
	public static function is_blank( $val, $strict = false ) {
		if ( is_null( $val ) ) {
			return true;
		}

		if ( ! is_scalar( $val ) && ! is_null( $val ) ) {
			trigger_error( 'Value is not a scalar', E_USER_NOTICE );
			return true;
		}

		if ( $strict ) {
			$val = preg_replace( '/　/', '', $val );
		}

		$val = trim( $val );
		if ( strlen( $val ) > 0 ) {
			return false;
		} else {
			return true;
		}
	}

	/**
	 * Is zero.
	 *
	 * @param mixed $val Value.
	 * @return bool
	 */
	public static function is_zero( $val ) {

		if ( ! is_scalar( $val ) && ! is_null( $val ) ) {
			trigger_error( 'Value is not a scalar', E_USER_NOTICE );
			return false;
		}

		$val = trim( $val );
		if ( ! self::is_blank( $val ) && is_numeric( $val ) && 1 === strlen( $val ) && 0 === (int) $val ) {
			return true;
		} else {
			return false;
		}
	}
}

```