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	<title>Zihni Kaya &#187; in_array</title>
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		<title>in_array() ve  array_search() işlevleri</title>
		<link>http://www.zihni.net/php/in_array-ve-array_search-fonsiyonlari/</link>
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		<pubDate>Sun, 21 Sep 2008 19:31:17 +0000</pubDate>
		<dc:creator>Zihni</dc:creator>
				<category><![CDATA[PHP]]></category>
		<category><![CDATA[array_search]]></category>
		<category><![CDATA[in_array]]></category>

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		<description><![CDATA[in_array() : 1 bool in_array  &#40;$igne  , array $samanlik &#41; igne değerini samanlik dizisinde arar, bulursa TRUE bulamazsa FALSE döndürür. 1 2 3 4 5 6 7 8 $renkler = array&#40;&#34;Mavi&#34;, &#34;Yeşil&#34;, &#34;Turuncu&#34;, &#34;Kırmızı&#34;&#41;; if &#40;in_array&#40;&#34;Yeşil&#34;, $renkler&#41;&#41; &#123; echo &#34;Dizide 'Yeşil' değeri var&#34;; &#125; else &#123; echo &#34;Dizide 'Yeşil' değeri yok&#34;; &#125; array_search() : 1 [...]]]></description>
			<content:encoded><![CDATA[<p><strong>in_array() :</strong></p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
</pre></td><td class="code"><pre class="php" style="font-family:monospace;">bool <span style="color: #990000;">in_array</span>  <span style="color: #009900;">&#40;</span><span style="color: #000088;">$igne</span>  <span style="color: #339933;">,</span> <span style="color: #990000;">array</span> <span style="color: #000088;">$samanlik</span> <span style="color: #009900;">&#41;</span></pre></td></tr></table></div>

<p>igne değerini samanlik dizisinde arar, bulursa TRUE bulamazsa FALSE döndürür.</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
2
3
4
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</pre></td><td class="code"><pre class="php" style="font-family:monospace;"><span style="color: #000088;">$renkler</span> <span style="color: #339933;">=</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">&quot;Mavi&quot;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">&quot;Yeşil&quot;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">&quot;Turuncu&quot;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">&quot;Kırmızı&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><span style="color: #990000;">in_array</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">&quot;Yeşil&quot;</span><span style="color: #339933;">,</span> <span style="color: #000088;">$renkler</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>
<span style="color: #990000;">echo</span> <span style="color: #0000ff;">&quot;Dizide 'Yeşil' değeri var&quot;</span><span style="color: #339933;">;</span>
<span style="color: #009900;">&#125;</span>
<span style="color: #b1b100;">else</span>
<span style="color: #009900;">&#123;</span>
<span style="color: #990000;">echo</span> <span style="color: #0000ff;">&quot;Dizide 'Yeşil' değeri yok&quot;</span><span style="color: #339933;">;</span>
<span style="color: #009900;">&#125;</span></pre></td></tr></table></div>

<p><strong>array_search() :</strong></p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
</pre></td><td class="code"><pre class="php" style="font-family:monospace;">mixed <span style="color: #990000;">array_search</span>  <span style="color: #009900;">&#40;</span><span style="color: #000088;">$igne</span>  <span style="color: #339933;">,</span> <span style="color: #990000;">array</span> <span style="color: #000088;">$samanlik</span> <span style="color: #009900;">&#41;</span></pre></td></tr></table></div>

<p>in_array gibi çalışır, aranan değer dizede bulunursa TRUE yerine bulunan elemanın anahtarını döndürür, bulamazsa yine FALSE döndürür.</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
2
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</pre></td><td class="code"><pre class="php" style="font-family:monospace;"><span style="color: #000088;">$renkler</span> <span style="color: #339933;">=</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #cc66cc;">0</span> <span style="color: #339933;">=&gt;</span> <span style="color: #0000ff;">'Mavi'</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">1</span> <span style="color: #339933;">=&gt;</span> <span style="color: #0000ff;">'Yeşil'</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">2</span> <span style="color: #339933;">=&gt;</span> <span style="color: #0000ff;">'Turuncu'</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">3</span> <span style="color: #339933;">=&gt;</span> <span style="color: #0000ff;">'Kırmızı'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
&nbsp;
<span style="color: #000088;">$anahtar</span> <span style="color: #339933;">=</span> <span style="color: #990000;">array_search</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'Yeşil'</span><span style="color: #339933;">,</span> <span style="color: #000088;">$renkler</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// $anahtar = 2;</span>
<span style="color: #000088;">$anahtar</span> <span style="color: #339933;">=</span> <span style="color: #990000;">array_search</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'Kırmızı'</span><span style="color: #339933;">,</span> <span style="color: #000088;">$renkler</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>   <span style="color: #666666; font-style: italic;">// $anahtar = 3;</span></pre></td></tr></table></div>

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