array_uintersect
Calculez l'intersection du tableau et comparez les données à l'aide de la fonction de rappel
Comparez les valeurs de clés de deux tableaux (en utilisant des fonctions définies par l'utilisateur pour comparer les valeurs de clé) et renvoyez l'intersection:
<span class="token php language-php"><span class="token delimiter important"><? Php</span> <span class="token keyword">Fonction</span> <span class="token function-definition function">MyFunction</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">retour</span> <span class="token number">0</span> <span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token keyword">retour</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">"red"</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">"vert"</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">"bleu"</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">"bleu"</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">"noir"</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">"bleu"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token variable">$ résultat</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">Array_uInthersect</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>
Comparez les valeurs de clé de trois tableaux (en utilisant des fonctions définies par l'utilisateur pour comparer les valeurs de clé) et renvoyez l'intersection:
<span class="token php language-php"><span class="token delimiter important"><? Php</span> <span class="token keyword">Fonction</span> <span class="token function-definition function">MyFunction</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">retour</span> <span class="token number">0</span> <span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token keyword">retour</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">"red"</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">"vert"</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">"bleu"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"jaune"</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">"rouge"</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">"vert"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"jaune"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"noir"</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">"vert"</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">"rouge"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"jaune"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"noir"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token variable">$ résultat</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">Array_uInthersect</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>