collator.asort.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>Sort array maintaining index association</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="class.collator.html">Collator</a></div> <div class="next" style="text-align: right; float: right;"><a href="collator.compare.html">Collator::compare</a></div> <div class="up"><a href="class.collator.html">Collator</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="collator.asort" class="refentry"> <div class="refnamediv"> <h1 class="refname">Collator::asort</h1> <h1 class="refname">collator_asort</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">Collator::asort</span> -- <span class="refname">collator_asort</span> — <span class="dc-title">Sort array maintaining index association</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <p class="para">Object oriented style</p> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>Collator::asort</b></b></span> ( <span class="methodparam"><span class="type">array</span> <tt class="parameter reference">&$arr</tt></span> [, <span class="methodparam"><span class="type">integer</span> <tt class="parameter">$sort_flag</tt></span> ] )</div> <p class="para rdfs-comment"> Procedural style </p> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>collator_asort</b></b></span> ( <span class="methodparam"><span class="type"><a href="class.collator.html" class="type Collator">Collator</a></span> <tt class="parameter">$coll</tt></span> , <span class="methodparam"><span class="type">array</span> <tt class="parameter reference">&$arr</tt></span> [, <span class="methodparam"><span class="type">integer</span> <tt class="parameter">$sort_flag</tt></span> ] )</div> <p class="para rdfs-comment"> This function sorts an array such that array indices maintain their correlation with the array elements they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant. Array elements will have sort order according to current locale rules. </p> <p class="para"> Equivalent to standard PHP <a href="function.asort.html" class="function">asort()</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">coll</tt></i></span> <dd> <p class="para"> <a href="class.collator.html" class="classname">Collator</a> object. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">arr</tt></i></span> <dd> <p class="para">Array of strings to sort.</p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">sort_flag</tt></i></span> <dd> <p class="para"> Optional sorting type, one of the following: <ul class="itemizedlist"> <li class="listitem"> <p class="para"> <b><tt>Collator::SORT_REGULAR</tt></b> - compare items normally (don't change types) </p> </li> <li class="listitem"> <p class="para"> <b><tt>Collator::SORT_NUMERIC</tt></b> - compare items numerically </p> </li> <li class="listitem"> <p class="para"> <b><tt>Collator::SORT_STRING</tt></b> - compare items as strings </p> </li> </ul> </p> <p class="para"> Default $sort_flag value is <b><tt>Collator::SORT_REGULAR</tt></b>. It is also used if an invalid $sort_flag value has been specified. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>collator_asort()</b>example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$coll </span><span style="color: #007700">= </span><span style="color: #0000BB">collator_create</span><span style="color: #007700">( </span><span style="color: #DD0000">'en_US' </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$arr </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">'a' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'100'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'b' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'50'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'c' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'7'<br /></span><span style="color: #007700">);<br /></span><span style="color: #0000BB">collator_asort</span><span style="color: #007700">( </span><span style="color: #0000BB">$coll</span><span style="color: #007700">, </span><span style="color: #0000BB">$arr</span><span style="color: #007700">, </span><span style="color: #0000BB">Collator</span><span style="color: #007700">::</span><span style="color: #0000BB">SORT_NUMERIC </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_export</span><span style="color: #007700">( </span><span style="color: #0000BB">$arr </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">collator_asort</span><span style="color: #007700">( </span><span style="color: #0000BB">$coll</span><span style="color: #007700">, </span><span style="color: #0000BB">$arr</span><span style="color: #007700">, </span><span style="color: #0000BB">Collator</span><span style="color: #007700">::</span><span style="color: #0000BB">SORT_STRING </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_export</span><span style="color: #007700">( </span><span style="color: #0000BB">$arr </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>array ( 'c' => '7', 'b' => '50', 'a' => '100',)array ( 'a' => '100', 'b' => '50', 'c' => '7',)</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="class.collator.html#intl.collator-constants" class="link"><a href="class.collator.html" class="classname">Collator</a> constants</a></li> <li class="member"><a href="collator.sort.html" class="function" rel="rdfs-seeAlso">collator_sort()</a></li> <li class="member"><a href="collator.sortwithsortkeys.html" class="function" rel="rdfs-seeAlso">collator_sort_with_sort_keys()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.collator.html">Collator</a></div> <div class="next" style="text-align: right; float: right;"><a href="collator.compare.html">Collator::compare</a></div> <div class="up"><a href="class.collator.html">Collator</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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