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* Run examples with php wasm * make examples editable * load wasm only when running code * handle empty code Co-authored-by: lwlinux <[email protected]>
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@@ -103,6 +103,13 @@ if (!empty($_SERVER['BASE_PAGE']) | |
echo '<script src="/cached.php?t=' . @filemtime($path) . '&f=/js/' . $filename . '"></script>' . "\n"; | ||
} | ||
?> | ||
<?php | ||
$jsfiles = ["interactive-examples.js"]; | ||
foreach ($jsfiles as $filename) { | ||
$path = dirname(__DIR__) . '/js/' . $filename; | ||
echo '<script type="module" src="/cached.php?t=' . @filemtime($path) . '&f=/js/' . $filename . '"></script>' . "\n"; | ||
} | ||
?> | ||
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<a id="toTop" href="javascript:;"><span id="toTopHover"></span><img width="40" height="40" alt="To Top" src="/images/[email protected]"></a> | ||
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@@ -0,0 +1,79 @@ | ||
import phpBinary from "/js/php-web.mjs"; | ||
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function createOutput(output) { | ||
const container = document.createElement("div"); | ||
container.classList.add("screen", "example-contents"); | ||
const title = document.createElement("p"); | ||
title.innerText = "Output (PHP "+ PHP.version +"):"; | ||
container.appendChild(title); | ||
const div = document.createElement("div"); | ||
div.classList.add("examplescode"); | ||
container.appendChild(div); | ||
const pre = document.createElement("pre"); | ||
pre.classList.add("examplescode"); | ||
pre.innerText = output; | ||
div.appendChild(pre); | ||
return container; | ||
} | ||
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class PHP { | ||
static buffer = []; | ||
static runPhp = null; | ||
static version = ''; | ||
static async loadPhp() { | ||
if (PHP.runPhp) { | ||
return PHP.runPhp; | ||
} | ||
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const { ccall } = await phpBinary({ | ||
print(data) { | ||
if (!data) { | ||
return; | ||
} | ||
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if (PHP.buffer.length) { | ||
PHP.buffer.push("\n"); | ||
} | ||
PHP.buffer.push(data); | ||
}, | ||
}); | ||
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PHP.version = ccall("phpw_exec", "string", ["string"], ["phpversion();"]), | ||
console.log("PHP wasm %s loaded.", PHP.version); | ||
PHP.runPhp = (code) => ccall("phpw_run", null, ["string"], ["?>" + code]); | ||
return PHP.runPhp; | ||
} | ||
} | ||
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async function main() { | ||
let lastOutput = null; | ||
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document.querySelectorAll(".example .example-contents").forEach((example) => { | ||
const button = document.createElement("button"); | ||
button.setAttribute("type", "button"); | ||
const phpcode = example.querySelector(".phpcode"); | ||
if (phpcode === null) { | ||
return; | ||
} | ||
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const code = phpcode.querySelector("code"); | ||
code.setAttribute("contentEditable", true); | ||
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button.innerText = "Run code"; | ||
button.onclick = async function () { | ||
if (lastOutput && lastOutput.parentNode) { | ||
lastOutput.remove(); | ||
} | ||
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const runPhp = await PHP.loadPhp(); | ||
runPhp(phpcode.innerText); | ||
lastOutput = createOutput(PHP.buffer.join("")); | ||
phpcode.parentNode.appendChild(lastOutput); | ||
PHP.buffer.length = 0; | ||
}; | ||
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phpcode.before(button); | ||
}); | ||
} | ||
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main(); |
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