119 lines
2.9 KiB
Markdown
119 lines
2.9 KiB
Markdown
```
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="utf-8">
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<title>Baustein: for-Schleife</title>
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<style>
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* { box-sizing: border-box; margin: 0; padding: 0; }
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body {
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font-family: -apple-system, "Segoe UI", sans-serif;
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background: #f0f0f5;
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padding: 40px 20px;
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display: flex;
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justify-content: center;
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min-height: 100vh;
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}
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.card {
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background: #ffffff;
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width: 100%;
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max-width: 1000px;
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border-radius: 12px;
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padding: 28px 36px;
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box-shadow: 0 4px 20px rgba(0,0,0,0.08);
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color: #1a1a1a;
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font-size: 14px;
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line-height: 1.5;
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}
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h1 {
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font-size: 28px;
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font-weight: 800;
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letter-spacing: -0.5px;
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line-height: 1.1;
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margin-bottom: 14px;
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}
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.beschreibung {
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font-size: 14px;
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line-height: 1.55;
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margin-bottom: 6px;
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}
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.zweck {
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font-size: 14px;
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font-style: italic;
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color: #5a6470;
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margin-bottom: 22px;
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}
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.examples {
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display: grid;
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grid-template-columns: 1fr;
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gap: 14px;
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}
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.code-block {
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background: #1e2a3a;
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color: #e6e6e6;
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font-family: "SF Mono", Consolas, monospace;
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font-size: 12px;
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line-height: 1.5;
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padding: 14px 16px;
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border-radius: 8px;
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white-space: pre;
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}
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.code-block .label {
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font-family: -apple-system, sans-serif;
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font-size: 10px;
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font-weight: 700;
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text-transform: uppercase;
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letter-spacing: 1px;
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color: #8be9fd;
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margin-bottom: 6px;
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display: block;
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}
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.k { color: #ff79c6; }
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.v { color: #ffb86c; }
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.n { color: #ffb86c; }
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</style>
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</head>
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<body>
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<div class="card">
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<h1>for-Schleife</h1>
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<p class="beschreibung">Führt einen Code-Block wiederholt aus.</p>
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<p class="zweck">Wiederholung wenn Anzahl Durchläufe bekannt ist oder Index gebraucht wird.</p>
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<div class="examples">
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<div class="code-block"><span class="label">Vorwärts zählen</span><span class="k">for</span> (<span class="v">$i</span> = <span class="n">0</span>; <span class="v">$i</span> < <span class="n">10</span>; <span class="v">$i</span>++) {
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<span class="k">echo</span> <span class="v">$i</span>;
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}</div>
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<div class="code-block"><span class="label">Rückwärts zählen</span><span class="k">for</span> (<span class="v">$i</span> = <span class="n">10</span>; <span class="v">$i</span> > <span class="n">0</span>; <span class="v">$i</span>--) {
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<span class="k">echo</span> <span class="v">$i</span>;
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}</div>
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<div class="code-block"><span class="label">In 2er-Schritten</span><span class="k">for</span> (<span class="v">$i</span> = <span class="n">0</span>; <span class="v">$i</span> <= <span class="n">20</span>; <span class="v">$i</span> += <span class="n">2</span>) {
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<span class="k">echo</span> <span class="v">$i</span>;
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}</div>
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<div class="code-block"><span class="label">Mit Array-Index</span><span class="k">for</span> (<span class="v">$i</span> = <span class="n">0</span>; <span class="v">$i</span> < <span class="n">3</span>; <span class="v">$i</span>++) {
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<span class="k">echo</span> <span class="v">$arr</span>[<span class="v">$i</span>];
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}</div>
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</div>
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</div>
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</body>
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</html>
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``` |