(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)
intl_error_name — Get symbolic name for a given error code
errorCodeICU error code.
The returned string will be the same as the name of the error code constant.
示例 #1 intl_error_name() example
<?php
$coll = collator_create( 'en_RU' );
$err_code = collator_get_error_code( $coll );
printf( "Symbolic name for %d is %s\n.", $err_code, intl_error_name( $err_code ) );
?>以上示例的输出类似于：
Symbolic name for -128 is U_USING_FALLBACK_WARNING.