PHP Math::usage示例

<?php

if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}
include_once PATH_THIRD . 'math/addon.setup.php';
$plugin_info = array('pi_author' => MATH_AUTHOR, 'pi_author_url' => MATH_AUTHOR_URL, 'pi_description' => MATH_DESC, 'pi_name' => MATH_NAME, 'pi_version' => MATH_VER, 'pi_usage' => Math::usage());
class Math
{
    public $return_data = '';
    public function __construct()
    {
        // Get formula
        $formula = ee()->TMPL->fetch_param('formula');
        $error = false;
        $result = '';
        if ($formula !== false) {
            // Convert html entities to math characters
            $formula = html_entity_decode($formula);
            // Replace parameters
            $params = ee()->TMPL->fetch_param('params');
            $numeric_error = ee()->TMPL->fetch_param('numeric_error', 'Invalid input');
            if ($params !== false) {
                $params = explode('|', $params);
                $i = 1;
                foreach ($params as $param) {
                    if (!is_numeric($param)) {
                        $param = preg_replace('/[^0-9.]*/', '', $param);
                        if (!is_numeric($param)) {
                            $this->return_data = $numeric_error;
                            return;

示例#2

显示文件

文件： pi.math.php 项目： TannerH/IOU

<?php

if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}
$plugin_info = array('pi_name' => 'Math', 'pi_version' => '1.4.1', 'pi_author' => 'Caddis', 'pi_author_url' => 'http://www.caddis.co', 'pi_description' => 'Use Math to execute PHP supported math formulas.', 'pi_usage' => Math::usage());
class Math
{
    public $return_data = '';
    public function __construct()
    {
        // Get formula
        $formula = ee()->TMPL->fetch_param('formula');
        $error = false;
        $result = '';
        if ($formula !== false) {
            // Convert html entities to math characters
            $formula = html_entity_decode($formula);
            // Replace parameters
            $params = ee()->TMPL->fetch_param('params');
            $numeric_error = ee()->TMPL->fetch_param('numeric_error', 'Invalid input');
            if ($params !== false) {
                $params = explode('|', $params);
                $i = 1;
                foreach ($params as $param) {
                    if (!is_numeric($param)) {
                        $param = preg_replace('/[^0-9.]*/', '', $param);
                        if (!is_numeric($param)) {
                            $this->return_data = $numeric_error;
                            return;
                        }