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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Parse a number</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="numberformatter.parsecurrency.html">NumberFormatter::parseCurrency</a></div> <div class="next" style="text-align: right; float: right;"><a href="numberformatter.setattribute.html">NumberFormatter::setAttribute</a></div> <div class="up"><a href="class.numberformatter.html">NumberFormatter</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="numberformatter.parse" class="refentry"> <div class="refnamediv"> <h1 class="refname">NumberFormatter::parse</h1> <h1 class="refname">numfmt_parse</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">NumberFormatter::parse</span> -- <span class="refname">numfmt_parse</span> — <span class="dc-title">Parse a number</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <p class="para"> Object oriented style </p> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>NumberFormatter::parse</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$value</tt></span> [, <span class="methodparam"><span class="type">integer</span> <tt class="parameter">$type</tt></span> [, <span class="methodparam"><span class="type">integer</span> <tt class="parameter reference">&$position</tt></span> ]] )</div> <p class="para rdfs-comment"> Procedural style </p> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>numfmt_parse</b></b></span> ( <span class="methodparam"><span class="type"><a href="class.numberformatter.html" class="type NumberFormatter">NumberFormatter</a></span> <tt class="parameter">$fmt</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$value</tt></span> [, <span class="methodparam"><span class="type">integer</span> <tt class="parameter">$type</tt></span> [, <span class="methodparam"><span class="type">integer</span> <tt class="parameter reference">&$position</tt></span> ]] )</div> <p class="para rdfs-comment"> Parse a string into a number using the current formatter rules. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">fmt</tt></i></span> <dd> <p class="para"> <a href="class.numberformatter.html" class="classname">NumberFormatter</a> object. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">type</tt></i></span> <dd> <p class="para"> The <a href="class.numberformatter.html#intl.numberformatter-constants.types" class="link"> formatting type</a> to use. By default, <b><tt>NumberFormatter::TYPE_DOUBLE</tt></b> is used. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">position</tt></i></span> <dd> <p class="para"> Offset in the string at which to begin parsing. On return, this value will hold the offset at which parsing ended. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The value of the parsed number or <b><tt>FALSE</tt></b> on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 <b>numfmt_parse()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$fmt </span><span style="color: #007700">= </span><span style="color: #0000BB">numfmt_create</span><span style="color: #007700">( </span><span style="color: #DD0000">'de_DE'</span><span style="color: #007700">, </span><span style="color: #0000BB">NumberFormatter</span><span style="color: #007700">::</span><span style="color: #0000BB">DECIMAL </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$num </span><span style="color: #007700">= </span><span style="color: #DD0000">"1.234.567,891"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">numfmt_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$fmt</span><span style="color: #007700">, </span><span style="color: #0000BB">$num</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">numfmt_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$fmt</span><span style="color: #007700">, </span><span style="color: #0000BB">$num</span><span style="color: #007700">, </span><span style="color: #0000BB">NumberFormatter</span><span style="color: #007700">::</span><span style="color: #0000BB">TYPE_INT32</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <div class="example"> <p><b>Example #2 OO example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$fmt </span><span style="color: #007700">= new </span><span style="color: #0000BB">NumberFormatter</span><span style="color: #007700">( </span><span style="color: #DD0000">'de_DE'</span><span style="color: #007700">, </span><span style="color: #0000BB">NumberFormatter</span><span style="color: #007700">::</span><span style="color: #0000BB">DECIMAL </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$num </span><span style="color: #007700">= </span><span style="color: #DD0000">"1.234.567,891"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">$fmt</span><span style="color: #007700">-></span><span style="color: #0000BB">parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$num</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">$fmt</span><span style="color: #007700">-></span><span style="color: #0000BB">parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$num</span><span style="color: #007700">, </span><span style="color: #0000BB">NumberFormatter</span><span style="color: #007700">::</span><span style="color: #0000BB">TYPE_INT32</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <p class="para">The above example will output:</p> <div class="example-contents"><pre><div class="cdata"><pre>1234567.8911234567</pre></div> </pre></div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="numberformatter.geterrorcode.html" class="function" rel="rdfs-seeAlso">numfmt_get_error_code()</a></li> <li class="member"><a href="numberformatter.format.html" class="function" rel="rdfs-seeAlso">numfmt_format()</a></li> <li class="member"><a href="numberformatter.parsecurrency.html" class="function" rel="rdfs-seeAlso">numfmt_parse_currency()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="numberformatter.parsecurrency.html">NumberFormatter::parseCurrency</a></div> <div class="next" style="text-align: right; float: right;"><a href="numberformatter.setattribute.html">NumberFormatter::setAttribute</a></div> <div class="up"><a href="class.numberformatter.html">NumberFormatter</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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