l" href="_core__d_8php.html#afa4c647ecaee0da639b8549bb3abf62b">null</a></code>&#160;</td>
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<p>Get the square root of an arbitrary precision number <a class="el" href="patch2_8txt.html#a3f9992ab8fa942ed02faa63682c3a84c">string $operand </a> The operand, as a string. </p>
<dl class="params"><dt>Parameters</dt><dd>
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