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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>Find lowest value</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.max.html">max</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mt-getrandmax.html">mt_getrandmax</a></div> <div class="up"><a href="ref.math.html">Math Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.min" class="refentry"> <div class="refnamediv"> <h1 class="refname">min</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">min</span> — <span class="dc-title">Find lowest value</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>min</b></b></span> ( <span class="methodparam"><span class="type">array</span> <tt class="parameter">$values</tt></span> )</div> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>min</b></b></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$value1</tt></span> , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$value2</tt></span> [, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$value3...</tt></span> ] )</div> <p class="para rdfs-comment"> If the first and only parameter is an array, <b>min()</b> returns the lowest value in that array. If at least two parameters are provided, <b>min()</b> returns the smallest of these values. </p> <blockquote><p><b class="note">Note</b>: PHP will evaluate a non-numeric <a href="language.types.string.html" class="type string">string</a> as <i>0</i> if compared to <a href="language.types.integer.html" class="type integer">integer</a>, but still return the string if it's seen as the numerically lowest value. If multiple arguments evaluate to <i>0</i>, <b>min()</b> will return the lowest alphanumerical string value if any strings are given, else a numeric <i>0</i> is returned. <br /> </p></blockquote> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">values</tt></i></span> <dd> <p class="para"> An array containing the values. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> <b>min()</b> returns the numerically lowest of the parameter values. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Example uses of <b>min()</b></b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">min</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">6</span><span style="color: #007700">, </span><span style="color: #0000BB">7</span><span style="color: #007700">); </span><span style="color: #FF8000">// 1<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">min</span><span style="color: #007700">(array(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">)); </span><span style="color: #FF8000">// 2<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">min</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #DD0000">'hello'</span><span style="color: #007700">); </span><span style="color: #FF8000">// 0<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">min</span><span style="color: #007700">(</span><span style="color: #DD0000">'hello'</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">); </span><span style="color: #FF8000">// hello<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">min</span><span style="color: #007700">(</span><span style="color: #DD0000">'hello'</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">); </span><span style="color: #FF8000">// -1<br /><br />// With multiple arrays, min compares from left to right<br />// so in our example: 2 == 2, but 4 < 5<br /></span><span style="color: #0000BB">$val </span><span style="color: #007700">= </span><span style="color: #0000BB">min</span><span style="color: #007700">(array(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">8</span><span style="color: #007700">), array(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">)); </span><span style="color: #FF8000">// array(2, 4, 8)<br /><br />// If both an array and non-array are given, the array<br />// is never returned as it's considered the largest<br /></span><span style="color: #0000BB">$val </span><span style="color: #007700">= </span><span style="color: #0000BB">min</span><span style="color: #007700">(</span><span style="color: #DD0000">'string'</span><span style="color: #007700">, array(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">7</span><span style="color: #007700">), </span><span style="color: #0000BB">42</span><span style="color: #007700">); </span><span style="color: #FF8000">// string<br /></span><span style="color: #0000BB">?></span></span></code></div> </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.max.html" class="function" rel="rdfs-seeAlso">max()</a></li> <li class="member"><a href="function.count.html" class="function" rel="rdfs-seeAlso">count()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; 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