array_reduce

Beispiel

Beispiel 1

Senden Sie Werte im Array an die benutzerdefinierte Funktion und geben Sie eine Zeichenfolge 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">$ v1</span> <span class="token punctuation">,</span> <span class="token variable">$ v2</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">Return</span> <span class="token variable">$ v1</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"-"</span> <span class="token operator">.</span> <span class="token variable">$ v2</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token variable">$ a</span> <span class="token operator">=</span> <span class="token keyword">Array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hund"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Katze"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Pferd"</span> <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 function"></span></span><mark> <span class="token function">Array_REDUCE</span> <span class="token punctuation">(</span> <span class="token variable">$ a</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 punctuation">;</span>
<span class="token delimiter important">?></span>

Probieren Sie es selbst aus

Beispiel 2

Setzen Sie die ersten Parameter:

 <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">$ v1</span> <span class="token punctuation">,</span> <span class="token variable">$ v2</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">Return</span> <span class="token variable">$ v1</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"-"</span> <span class="token operator">.</span> <span class="token variable">$ v2</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token variable">$ a</span> <span class="token operator">=</span> <span class="token keyword">Array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hund"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Katze"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Pferd"</span> <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 function"></span></span><mark> <span class="token function">Array_REDUCE</span> <span class="token punctuation">(</span> <span class="token variable">$ A</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"MyFunction"</span> <span class="token punctuation">,</span> <span class="token number">5</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

Probieren Sie es selbst aus

Beispiel 3

Gibt die Summe 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">$ v1</span> <span class="token punctuation">,</span> <span class="token variable">$ v2</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">Return</span> <span class="token variable">$ v1</span> <span class="token operator">+</span> <span class="token variable">$ v2</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token variable">$ A</span> <span class="token operator">=</span> <span class="token keyword">Array</span> <span class="token punctuation">(</span> <span class="token number">10</span> <span class="token punctuation">,</span> <span class="token number">15</span> <span class="token punctuation">,</span> <span class="token number">20</span> <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 function"></span></span><mark> <span class="token function">Array_REDUCE</span> <span class="token punctuation">(</span> <span class="token variable">$ A</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"MyFunction"</span> <span class="token punctuation">,</span> <span class="token number">5</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

Probieren Sie es selbst aus