Iodide with PHP

evaluate-php.js

const PHP_MODULE = 'https://oraoto.github.io/pib/php.js'

const loadResource = url => new Promise((resolve) => {
  const head = document.getElementsByTagName('head')[0]
  const theScript = document.createElement('script')

  theScript.src = url;
  theScript.onload = () => {
    resolve()
  };

  head.appendChild(theScript)
})

loadResource(PHP_MODULE)
  .then(() => {
    window.php = {}

    window.php.evaluate = code => {
      code = code.replace(/^\s*<\?php/, '')
      code = code + '\necho PHP_EOL;'

      let ret = module.ccall('pib_eval', 'number', ['string'], [code])
    }

    window.php.export = (...arguments) => {
      if (arguments.length > 1) {
        text = Array.prototype.slice.call(arguments).join(' ')
      } else {
        text = arguments
      }

      const elem = window.iodide.output.element('div')
      elem.innerHTML = text
    }

    const options = {
      print: window.php.export,
      printErr: window.php.export,
    }
    const module = PHP(options)

    window.iodide.exportPHP = (variableName, variable) => {
      const out = variable
      window[variableName] = out;
    }

    window.iodide.addOutputHandler({
      shouldHandle: val => true,
      render: (val) => {
        const elem = document.createElement('div')
        elem.innerHTML = val
        return elem
      },
    });
  })

plugin-php.json

%% plugin

{
  "languageId": "php",
  "displayName": "PHP",
  "codeMirrorMode": "php",
  "keybinding": "php",
  "url": "https://gist.githubusercontent.com/filips123/8d6135debb763374fac5078bcee28542/raw/evaluate-php.js",
  "module": "php",
  "evaluator": "evaluate",
  "pluginType": "language"
}