<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Round fractions up</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.bindec.html">bindec</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.cos.html">cos</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.ceil" class="refentry"> <div class="refnamediv"> <h1 class="refname">ceil</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ceil</span> — <span class="dc-title">Round fractions up</span></p> </div> <div class="refsect1 description" id="refsect1-function.ceil-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">float</span> <span class="methodname"><strong>ceil</strong></span> ( <span class="methodparam"><span class="type">float</span> <code class="parameter">$value</code></span> )</div> <p class="simpara"> Returns the next highest integer value by rounding up <em><code class="parameter">value</code></em> if necessary. </p> </div> <div class="refsect1 parameters" id="refsect1-function.ceil-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">value</code></em></span> <dd> <p class="para"> The value to round </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.ceil-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> <em><code class="parameter">value</code></em> rounded up to the next highest integer. The return value of <span class="function"><strong>ceil()</strong></span> is still of type <span class="type"><a href="language.types.float.html" class="type float">float</a></span> as the value range of <span class="type"><a href="language.types.float.html" class="type float">float</a></span> is usually bigger than that of <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>. </p> </div> <div class="refsect1 examples" id="refsect1-function.ceil-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3451"> <p><strong>Example #1 <span class="function"><strong>ceil()</strong></span> example</strong></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">ceil</span><span style="color: #007700">(</span><span style="color: #0000BB">4.3</span><span style="color: #007700">); </span><span style="color: #FF8000">// 5<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">ceil</span><span style="color: #007700">(</span><span style="color: #0000BB">9.999</span><span style="color: #007700">); </span><span style="color: #FF8000">// 10<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">ceil</span><span style="color: #007700">(-</span><span style="color: #0000BB">3.14</span><span style="color: #007700">); </span><span style="color: #FF8000">// -3<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.ceil-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.floor.html" class="function" rel="rdfs-seeAlso">floor()</a> - Round fractions down</span></li> <li class="member"> <span class="function"><a href="function.round.html" class="function" rel="rdfs-seeAlso">round()</a> - Rounds a float</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.bindec.html">bindec</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.cos.html">cos</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></body></html>