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<h1 class="refname">IntlChar::isblank</h1>
<p class="verinfo">(PHP 7)</p><p class="refpurpose"><span class="refname">IntlChar::isblank</span> — <span class="dc-title">Check if code point is a "blank" or "horizontal space" character</span></p>
</div>
<div class="refsect1 description" id="refsect1-intlchar.isblank-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">bool</span> <span class="methodname"><strong>IntlChar::isblank</strong></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$codepoint</code></span>
)</div>
<p class="para rdfs-comment">
Determines whether the specified code point is a "blank" or "horizontal space", a character that visibly separates words on a line.
</p>
<p class="para">
The following are equivalent definitions:
<ul class="simplelist">
<li class="member">
<strong><code>TRUE</code></strong> for Unicode White_Space characters except for "vertical space controls" where "vertical space controls" are
the following characters: U+000A (LF) U+000B (VT) U+000C (FF) U+000D (CR) U+0085 (NEL) U+2028 (LS) U+2029 (PS)
</li>
<li class="member">
<strong><code>TRUE</code></strong> for U+0009 (TAB) and characters with general category "Zs" (space separators) except Zero Width Space (ZWSP, U+200B).
</li>
</ul>
</p>
</div>
<div class="refsect1 parameters" id="refsect1-intlchar.isblank-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">codepoint</code></dt>
<dd>
<p class="para">The <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> codepoint value (e.g. <em>0x2603</em> for <em class="emphasis">U+2603 SNOWMAN</em>), or the character encoded as a UTF-8 <span class="type"><a href="language.types.string.html" class="type string">string</a></span> (e.g. <em>"\u{2603}"</em>)</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-intlchar.isblank-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if
<code class="parameter">codepoint</code> is either a "blank" or "horizontal space" character, <strong><code>FALSE</code></strong> if not.
</p>
</div>
<div class="refsect1 examples" id="refsect1-intlchar.isblank-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-3221">
<p><strong>Example #1 Testing different code points</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">isblank</span><span style="color: #007700">(</span><span style="color: #DD0000">"A"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">isblank</span><span style="color: #007700">(</span><span style="color: #DD0000">" "</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">isblank</span><span style="color: #007700">(</span><span style="color: #DD0000">"\t"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
bool(false)
bool(true)
bool(true)
</pre></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-intlchar.isblank-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="intlchar.isspace.html" class="function" rel="rdfs-seeAlso">IntlChar::isspace()</a> - Check if code point is a space character</span></li>
<li class="member"><span class="function"><a href="intlchar.isjavaspacechar.html" class="function" rel="rdfs-seeAlso">IntlChar::isJavaSpaceChar()</a> - Check if code point is a space character according to Java</span></li>
<li class="member"><span class="function"><a href="intlchar.isuwhitespace.html" class="function" rel="rdfs-seeAlso">IntlChar::isUWhiteSpace()</a> - Check if code point has the White_Space Unicode property</span></li>
<li class="member"><span class="function"><a href="intlchar.iswhitespace.html" class="function" rel="rdfs-seeAlso">IntlChar::isWhitespace()</a> - Check if code point is a whitespace character according to ICU</span></li>
</ul>
</p>
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