intl 函数
PHP Manual

intl_is_failure

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

intl_is_failureCheck whether the given error code indicates failure

说明

bool intl_is_failure ( int $error_code )

参数

error_code

is a value that returned by functions: intl_get_error_code(), collator_get_error_code() .

返回值

TRUE if it the code indicates some failure, and FALSE in case of success or a warning.

范例

Example #1 intl_is_failure() example

<?php
function check$err_code )
{
    
var_exportintl_is_failure$err_code ) );
    echo 
"\n";
}

checkU_ZERO_ERROR );
checkU_USING_FALLBACK_WARNING );
checkU_ILLEGAL_ARGUMENT_ERROR );
?>

以上例程的输出类似于:

false
false
true

参见


intl 函数
PHP Manual