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	<title>Labs &#187; php</title>
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		<title>Eilutės skaldymas į žodžių masyvą pagal norimą simbolių ilgį (PHP)</title>
		<link>http://labs.webdunulis.lt/eilutes-skaldymas-i-zodziu-masyva-pagal-norima-simboliu-ilgi-php.html</link>
		<comments>http://labs.webdunulis.lt/eilutes-skaldymas-i-zodziu-masyva-pagal-norima-simboliu-ilgi-php.html#comments</comments>
		<pubDate>Fri, 20 Nov 2009 11:22:25 +0000</pubDate>
		<dc:creator>Mindaugas</dc:creator>
				<category><![CDATA[Developing'as]]></category>
		<category><![CDATA[php]]></category>

		<guid isPermaLink="false">http://labs.webdunulis.lt/?p=227</guid>
		<description><![CDATA[Prireikė tokios funkcijos, kuri eilutę padalintų į žodžių masyvą pagal norimą simbolių skaičių, tačiau &#8220;nenukastų&#8221; žodžių. Tarkim jeigu 3 žodžiai viršija simbolių ribą, tokių atveju paimti tik tai du. taigi, šiuo atveju PHP funkcija chunk_split netinka.
Kodas:



function stringToWords&#40;$string, $chars&#41; &#123;


&#160;


&#160;$words = explode&#40;&#39; &#39;, $string&#41;;


&#160;$n = count&#40;$words&#41;;


&#160;$first = 0;


&#160;


&#160;while&#40;$first &#60;= $n&#41; &#123;


&#160; 


&#160; $new_str .= &#39; &#39;.$words&#91;$first&#93;;


&#160; [...]]]></description>
			<content:encoded><![CDATA[<p>Prireikė tokios funkcijos, kuri eilutę padalintų į žodžių masyvą pagal norimą simbolių skaičių, tačiau &#8220;nenukastų&#8221; žodžių. Tarkim jeigu 3 žodžiai viršija simbolių ribą, tokių atveju paimti tik tai du. taigi, šiuo atveju PHP funkcija chunk_split netinka.</p>
<p>Kodas:</p>
<div class="geshi no php">
<ol>
<li class="li1">
<div class="de1"><span class="kw2">function</span> stringToWords<span class="br0">&#40;</span><span class="re1">$string</span><span class="sy0">,</span> <span class="re1">$chars</span><span class="br0">&#41;</span> <span class="br0">&#123;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp;</div>
</li>
<li class="li1">
<div class="de1">&nbsp;<span class="re1">$words</span> <span class="sy0">=</span> <span class="kw3">explode</span><span class="br0">&#40;</span><span class="st0">&#39; &#39;</span><span class="sy0">,</span> <span class="re1">$string</span><span class="br0">&#41;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp;<span class="re1">$n</span> <span class="sy0">=</span> <span class="kw3">count</span><span class="br0">&#40;</span><span class="re1">$words</span><span class="br0">&#41;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp;<span class="re1">$first</span> <span class="sy0">=</span> <span class="nu0">0</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp;</div>
</li>
<li class="li1">
<div class="de1">&nbsp;<span class="kw1">while</span><span class="br0">&#40;</span><span class="re1">$first</span> <span class="sy0">&lt;=</span> <span class="re1">$n</span><span class="br0">&#41;</span> <span class="br0">&#123;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; </div>
</li>
<li class="li1">
<div class="de1">&nbsp; <span class="re1">$new_str</span> <span class="sy0">.=</span> <span class="st0">&#39; &#39;</span><span class="sy0">.</span><span class="re1">$words</span><span class="br0">&#91;</span><span class="re1">$first</span><span class="br0">&#93;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; <span class="re1">$new_len</span> <span class="sy0">=</span> <span class="kw3">strlen</span><span class="br0">&#40;</span><span class="re1">$new_str</span><span class="br0">&#41;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; </div>
</li>
<li class="li1">
<div class="de1">&nbsp; <span class="kw1">if</span><span class="br0">&#40;</span><span class="re1">$new_len</span> <span class="sy0">&gt;</span> <span class="re1">$chars</span><span class="br0">&#41;</span> <span class="br0">&#123;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp;<span class="re1">$new</span><span class="br0">&#91;</span><span class="br0">&#93;</span> <span class="sy0">=</span> <span class="kw3">substr</span><span class="br0">&#40;</span><span class="re1">$tmp_str</span><span class="sy0">,</span> <span class="nu0">1</span><span class="br0">&#41;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp;<span class="re1">$new_str</span> <span class="sy0">=</span> <span class="st0">&#39;&#39;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; <span class="br0">&#125;</span> <span class="kw1">else</span> <span class="br0">&#123;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp;<span class="kw1">if</span><span class="br0">&#40;</span><span class="re1">$first</span> <span class="sy0">==</span> <span class="re1">$n</span><span class="br0">&#41;</span> <span class="br0">&#123;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="re1">$new</span><span class="br0">&#91;</span><span class="br0">&#93;</span> <span class="sy0">=</span> <span class="kw3">substr</span><span class="br0">&#40;</span><span class="re1">$new_str</span><span class="sy0">,</span><span class="nu0">1</span><span class="br0">&#41;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp;<span class="br0">&#125;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp;<span class="re1">$first</span><span class="sy0">++;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp;<span class="re1">$tmp_str</span> <span class="sy0">=</span> <span class="re1">$new_str</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; <span class="br0">&#125;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp;<span class="br0">&#125;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp;<span class="kw1">return</span> <span class="re1">$new</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1"><span class="br0">&#125;</span></div>
</li>
</ol>
</div>
<p>Pavyzdys:</p>
<div class="geshi no php">
<ol>
<li class="li1">
<div class="de1"><span class="kw2">&lt;?php</span></div>
</li>
<li class="li1">
<div class="de1"><span class="re1">$s</span> <span class="sy0">=</span> <span class="st0">&#39;It is a long established fact that a reader will be distracted by the </span></div>
</li>
<li class="li1">
<div class="de1"><span class="st0"> &nbsp; &nbsp; &nbsp; &nbsp;readable content of a page when looking at its layout. &#39;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1"><span class="kw3">print_r</span><span class="br0">&#40;</span>stringToWords<span class="br0">&#40;</span><span class="re1">$s</span><span class="sy0">,</span> <span class="nu0">25</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div>
</li>
<li class="li1">
<div class="de1"><span class="kw2">?&gt;</span></div>
</li>
<li class="li1">
<div class="de1">Rezultatas<span class="sy0">:</span></div>
</li>
<li class="li1">
<div class="de1"><span class="kw3">Array</span></div>
</li>
<li class="li1">
<div class="de1"><span class="br0">&#40;</span></div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="br0">&#91;</span><span class="nu0">0</span><span class="br0">&#93;</span> <span class="sy0">=&gt;</span> It is a long established</div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="br0">&#91;</span><span class="nu0">1</span><span class="br0">&#93;</span> <span class="sy0">=&gt;</span> fact that a reader will</div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="br0">&#91;</span><span class="nu0">2</span><span class="br0">&#93;</span> <span class="sy0">=&gt;</span> be distracted by the</div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="br0">&#91;</span><span class="nu0">3</span><span class="br0">&#93;</span> <span class="sy0">=&gt;</span> readable content of a</div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="br0">&#91;</span><span class="nu0">4</span><span class="br0">&#93;</span> <span class="sy0">=&gt;</span> page when looking at its</div>
</li>
<li class="li1">
<div class="de1">&nbsp; &nbsp; <span class="br0">&#91;</span><span class="nu0">5</span><span class="br0">&#93;</span> <span class="sy0">=&gt;</span> layout<span class="sy0">.</span> &nbsp;</div>
</li>
<li class="li1">
<div class="de1"><span class="br0">&#41;</span></div>
</li>
</ol>
</div>
]]></content:encoded>
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