function.grapheme-strstr.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns part of haystack string from the first occurrence of needle to the end of haystack.</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.grapheme-strrpos.html">grapheme_strrpos</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.grapheme-substr.html">grapheme_substr</a></div> <div class="up"><a href="ref.intl.html">intl Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.grapheme-strstr" class="refentry"> <div class="refnamediv"> <h1 class="refname">grapheme_strstr</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">grapheme_strstr</span> — <span class="dc-title">Returns part of haystack string from the first occurrence of needle to the end of haystack.</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <p class="para">Procedural style</p> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>grapheme_strstr</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$haystack</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$needle</tt></span> [, <span class="methodparam"><span class="type">boolean</span> <tt class="parameter">$before_needle</tt></span> ] )</div> <p class="para rdfs-comment"> Returns part of haystack string from the first occurrence of needle to the end of haystack. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">haystack</tt></i></span> <dd> <p class="para"> The input string. Must be valid UTF-8. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">needle</tt></i></span> <dd> <p class="para"> The string to look for. Must be valid UTF-8. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">before_needle</tt></i></span> <dd> <p class="para"> If TRUE (the default is FALSE), grapheme_strstr() returns the part of the haystack before the first occurence of the needle. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the portion of string, or FALSE if needle is not found. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 <b>grapheme_strstr()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$char_a_ring_nfd </span><span style="color: #007700">= </span><span style="color: #DD0000">"a\xCC\x8A"</span><span style="color: #007700">; </span><span style="color: #FF8000">// 'LATIN SMALL LETTER A WITH RING ABOVE' (U+00E5) normalization form "D"<br /></span><span style="color: #0000BB">$char_o_diaeresis_nfd </span><span style="color: #007700">= </span><span style="color: #DD0000">"o\xCC\x88"</span><span style="color: #007700">; </span><span style="color: #FF8000">// 'LATIN SMALL LETTER O WITH DIAERESIS' (U+00F6) normalization form "D"<br /><br /></span><span style="color: #007700">print </span><span style="color: #0000BB">urlencode</span><span style="color: #007700">(</span><span style="color: #0000BB">grapheme_stristr</span><span style="color: #007700">( </span><span style="color: #0000BB">$char_a_ring_nfd </span><span style="color: #007700">. </span><span style="color: #0000BB">$char_o_diaeresis_nfd </span><span style="color: #007700">. </span><span style="color: #0000BB">$char_a_ring_nfd</span><span style="color: #007700">, </span><span style="color: #0000BB">$char_o_diaeresis_nfd</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <p class="para">The above example will output:</p> <div class="example-contents"><pre><div class="cdata"><pre>o%CC%88a%CC%8A</pre></div> </pre></div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.grapheme-stristr.html" class="function" rel="rdfs-seeAlso">grapheme_stristr()</a></li> <li class="member"><a href="function.grapheme-stripos.html" class="function" rel="rdfs-seeAlso">grapheme_stripos()</a></li> <li class="member"><a href="function.grapheme-strpos.html" class="function" rel="rdfs-seeAlso">grapheme_strpos()</a></li> <li class="member"><a href="function.grapheme-strripos.html" class="function" rel="rdfs-seeAlso">grapheme_strripos()</a></li> <li class="member"><a href="function.grapheme-strrpos.html" class="function" rel="rdfs-seeAlso">grapheme_strrpos()</a></li> <li class="member"> <a href="http://unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries" class="link external">» Unicode Text Segmentation: Grapheme Cluster Boundaries </a> </li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.grapheme-strrpos.html">grapheme_strrpos</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.grapheme-substr.html">grapheme_substr</a></div> <div class="up"><a href="ref.intl.html">intl Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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