PHP | intl_is_failure() Function
Last Updated :
18 May, 2019
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The intl_is_failure() function is an inbuilt function in PHP which is used to check whether the given error code indicates failure.
Syntax:
php
php
bool intl_is_failure( $error_code )Parameters: This function accepts single parameter $error_code which is a value that returned by the functions intl_get_error_code(), collator_get_error_code(). Return Value: If the code indicates some failure then it returns True and in case of success or a warning it returns False. Below programs illustrate the intl_is_failure() function in PHP: Program 1:
<?php
// Function definition
function check( $err_code ) {
var_export( intl_is_failure( $err_code ) );
echo "\n";
}
// Function call using error_code as parameter
check( U_USING_FALLBACK_WARNING );
check( U_ILLEGAL_ARGUMENT_ERROR );
?>
<?php// Function definitionfunction check( $err_code ) { var_export( intl_is_failure( $err_code ) ); echo "\n";}// Function call using error_code as parametercheck( U_USING_FALLBACK_WARNING );check( U_ILLEGAL_ARGUMENT_ERROR );?>
Output:
Program 2:
false true
<?php
// Function definition
function check( $err_code ) {
var_export( intl_is_failure( $err_code ) );
echo "\n";
}
// Declare an array which contains error_code
$arr = array(
U_ZERO_ERROR,
U_ILLEGAL_ARGUMENT_ERROR,
U_USING_FALLBACK_WARNING,
);
// Loop to call function
foreach ($arr as $err) {
// Check each element as
// code point data
check($err);
}
?>
<?php// Function definitionfunction check( $err_code ) { var_export( intl_is_failure( $err_code ) ); echo "\n";}// Declare an array which contains error_code$arr = array( U_ZERO_ERROR, U_ILLEGAL_ARGUMENT_ERROR, U_USING_FALLBACK_WARNING,);// Loop to call functionforeach ($arr as $err) { // Check each element as // code point data check($err); } ?>
Output:
Reference: https://www.php.net/manual/en/function.intl-is-failure.php
false true false
