function.array-combine.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>Creates an array by using one array for keys and another for its values</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.array-chunk.html">array_chunk</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.array-count-values.html">array_count_values</a></div> <div class="up"><a href="ref.array.html">Array Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.array-combine" class="refentry"> <div class="refnamediv"> <h1 class="refname">array_combine</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">array_combine</span> — <span class="dc-title">Creates an array by using one array for keys and another for its values</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>array_combine</b></b></span> ( <span class="methodparam"><span class="type">array</span> <tt class="parameter">$keys</tt></span> , <span class="methodparam"><span class="type">array</span> <tt class="parameter">$values</tt></span> )</div> <p class="para rdfs-comment"> Creates an <a href="language.types.array.html" class="type array">array</a> by using the values from the <i><tt class="parameter">keys</tt></i> array as keys and the values from the <i><tt class="parameter">values</tt></i> array as the corresponding values. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">keys</tt></i></span> <dd> <p class="para"> Array of keys to be used. Illegal values for key will be converted to <a href="language.types.string.html" class="type string">string</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">values</tt></i></span> <dd> <p class="para"> Array of values to be used </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the combined <a href="language.types.array.html" class="type array">array</a>, <b><tt>FALSE</tt></b> if the number of elements for each array isn't equal or if the arrays are empty. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Throws <b><tt>E_WARNING</tt></b> if <i><tt class="parameter">keys</tt></i> and <i><tt class="parameter">values</tt></i> are either empty or the number of elements does not match. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A simple <b>array_combine()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$a </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'green'</span><span style="color: #007700">, </span><span style="color: #DD0000">'red'</span><span style="color: #007700">, </span><span style="color: #DD0000">'yellow'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$b </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'avocado'</span><span style="color: #007700">, </span><span style="color: #DD0000">'apple'</span><span style="color: #007700">, </span><span style="color: #DD0000">'banana'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$c </span><span style="color: #007700">= </span><span style="color: #0000BB">array_combine</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</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( [green] => avocado [red] => apple [yellow] => banana)</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="function.array-merge.html" class="function" rel="rdfs-seeAlso">array_merge()</a></li> <li class="member"><a href="function.array-walk.html" class="function" rel="rdfs-seeAlso">array_walk()</a></li> <li class="member"><a href="function.array-values.html" class="function" rel="rdfs-seeAlso">array_values()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.array-chunk.html">array_chunk</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.array-count-values.html">array_count_values</a></div> <div class="up"><a href="ref.array.html">Array 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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