array_udiff
Utilisez la fonction de rappel pour comparer les données pour calculer l'ensemble de différence de tableaux
Français
Français
Comparez les valeurs de clé de deux tableaux (en utilisant des fonctions définies par l'utilisateur pour comparer les valeurs de clé) et renvoyez la différence:
<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_udiff</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></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>
Comparez les valeurs de clé de trois tableaux (en utilisant des fonctions définies par l'utilisateur pour comparer les valeurs de clé) et renvoyez la différence:
<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_udiff</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 $</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"myfonction"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token variable">$ result</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>
compact
array_intersect_assoc
krsort
array_udiff_assoc
extract
array_rand
each
array_product
