array_uintersect
Berechnen Sie den Schnittpunkt des Arrays und vergleichen Sie die Daten mit der Rückruffunktion
Deutsch
Deutsch
Vergleichen Sie die Schlüsselwerte von zwei Arrays (unter Verwendung von benutzerdefinierten Funktionen zum Vergleich der Schlüsselwerte) und geben Sie die Kreuzung zurück:
<span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Funktion</span> <span class="token function-definition function">myfunktion</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token punctuation">,</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token operator">===</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">Rückkehr</span> <span class="token number">0</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">Return</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token operator">></span> <span class="token variable">$ b</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> <span class="token operator">-</span> <span class="token number">1</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token variable">$ a1</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"rot"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"grün"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"c"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blau"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ a2</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blau"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"schwarz"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"e"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blau"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ result</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">array_uintersect</span> <span class="token punctuation">(</span> <span class="token variable">$ a1</span> <span class="token punctuation">,</span> <span class="token variable">$ a2</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"myfunction"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span></mark><span class="token punctuation"></span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token variable">$ result</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>
Vergleichen Sie die Schlüsselwerte von drei Arrays (unter Verwendung von benutzerdefinierten Funktionen zum Vergleich der Schlüsselwerte) und geben Sie die Kreuzung zurück:
<span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Funktion</span> <span class="token function-definition function">myfunktion</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token punctuation">,</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token operator">===</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">Rückkehr</span> <span class="token number">0</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">Return</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token operator">></span> <span class="token variable">$ b</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> <span class="token operator">-</span> <span class="token number">1</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token variable">$ a1</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"rot"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"grün"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"c"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blau"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"gelb"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ a2</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"rot"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"grün"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"gelb"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"schwarz"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ a3</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"grün"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"rot"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"gelb"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"schwarz"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ result</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">array_uintersect</span> <span class="token punctuation">(</span> <span class="token variable">$ a1</span> <span class="token punctuation">,</span> <span class="token variable">$ a2</span> <span class="token punctuation">,</span> <span class="token variable">$ a3</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"myfunction"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token variable">$ result</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>
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