📄 function.unicode-set-error-mode.html
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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>Set the error mode for strings conversions</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="function.unicode-get-subst-char.html">unicode_get_subst_char</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.unicode-set-subst-char.html">unicode_set_subst_char</a></div> <div class="up"><a href="ref.unicode.html">Unicode Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.unicode-set-error-mode" class="refentry"> <div class="refnamediv"> <h1 class="refname">unicode_set_error_mode</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">unicode_set_error_mode</span> — <span class="dc-title">Set the error mode for strings conversions</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>unicode_set_error_mode</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$direction</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$mode</tt></span> )</div> <p class="para rdfs-comment"> This function sets the error mode for string conversions between different encodings. An error can occur during conversion when an illegal character is encountered or if a character cannot be represented into the new encoding. By default, when an error is encountered, the conversion stops. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">direction</tt></i></span> <dd> <p class="para"> The <i><tt class="parameter">direction</tt></i> sets the conversion direction to which the error mode will apply. This can either be <b><tt>FROM_UNICODE</tt></b>, which will set the error mode for conversions from a <span class="type unicode">unicode</span> string to a binary string or <b><tt>TO_UNICODE</tt></b>, which will set the error mode for conversions from a binary string to a <span class="type unicode">unicode</span> string. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">mode</tt></i></span> <dd> <p class="para"> <i><tt class="parameter">mode</tt></i> determines how the conversion errors are handled. It should be one of the following constants: </p> <p class="para"> <table border="5"> <caption><b>Available modes</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Mode</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_STOP</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Stop the conversion. This is the default mode. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_SKIP</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Skip the character. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_SUBST</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Substitute the character. The substituting character can be set with <a href="function.unicode-set-subst-char.html" class="function">unicode_set_subst_char()</a>. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_ESCAPE_UNICODE</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Escape the faulty bytes and represent them in the Unicode character format. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_ESCAPE_ICU</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Escape the faulty bytes and represent them in the ICU character format. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_ESCAPE_JAVA</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Escape the faulty bytes and print them in the Java character format. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_ESCAPE_XML_DEC</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Escape the faulty bytes and represent them in decimal format. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>U_CONV_ERROR_ESCAPE_XML_HEX</tt></b> </td> <td colspan="1" rowspan="1" align="left"> Escape the faulty bytes and represent them in hexadecimal format. </td> </tr> </tbody> </colgroup> </table> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Emits a <b><tt>E_WARNING</tt></b> level error if the direction or the mode are invalid. </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <div class="warning"><b class="warning">Warning</b><p class="simpara">This function is<em class="emphasis">EXPERIMENTAL</em>. The behaviour of this function, its name, andsurrounding documentation may change without notice in a future release of PHP.This function should be used at your own risk.</p></div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.unicode-encode.html" class="function" rel="rdfs-seeAlso">unicode_encode()</a></li> <li class="member"><a href="function.unicode-decode.html" class="function" rel="rdfs-seeAlso">unicode_decode()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.unicode-get-subst-char.html">unicode_get_subst_char</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.unicode-set-subst-char.html">unicode_set_subst_char</a></div> <div class="up"><a href="ref.unicode.html">Unicode Functions</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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