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<title>Add two arbitrary precision numbers</title>
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<h1 class="refname">bcadd</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">bcadd</span> — <span class="dc-title">Add two arbitrary precision numbers</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.bcadd-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>bcadd</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$left_operand</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$right_operand</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$scale</code></span>
] )</div>
<p class="para rdfs-comment">
Sums <em><code class="parameter">left_operand</code></em> and
<em><code class="parameter">right_operand</code></em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.bcadd-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">left_operand</code></em></span>
<dd>
<p class="para">
The left operand, as a string.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">right_operand</code></em></span>
<dd>
<p class="para">
The right operand, as a string.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">
scale</code></em></span><dd>
<p class="para">This optional parameter is used to set the number
of digits after the decimal place in the result. You can also set the global default scale
for all functions by using <span class="function"><a href="function.bcscale.html" class="function">bcscale()</a></span>.</p></dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.bcadd-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The sum of the two operands, as a string.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.bcadd-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-3388">
<p><strong>Example #1 <span class="function"><strong>bcadd()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$a </span><span style="color: #007700">= </span><span style="color: #DD0000">'1.234'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$b </span><span style="color: #007700">= </span><span style="color: #DD0000">'5'</span><span style="color: #007700">;<br /><br />echo </span><span style="color: #0000BB">bcadd</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">); </span><span style="color: #FF8000">// 6<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">bcadd</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">); </span><span style="color: #FF8000">// 6.2340<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-function.bcadd-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.bcsub.html" class="function" rel="rdfs-seeAlso">bcsub()</a> - Subtract one arbitrary precision number from another</span></li>
</ul>
</p>
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