PHP atanh Function Input Restrictions: Detailed Boundary Conditions and Examples

gitbox 2025-09-11

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"Welcome to this technical article."</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<br>Today we will explore the PHP atanh function in depth."</span></span><span>;
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<p>echo "<h1>PHP atanh Function Input Restrictions: Detailed Boundary Conditions and Examples</h1>";</p>
<p>echo <span><span class="hljs-string">"<p>In PHP, the <code>atanh()

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echo "

Summary

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The PHP atanh() function is primarily restricted to inputs within the (-1, 1) interval. Understanding boundary conditions is crucial to avoid infinite or non-numeric results. In practice, it is recommended to validate input data to ensure safe usage.

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atanh