The intl_is_failure() function is an inbuilt function in PHP which is used to check whether the given error code indicates failure.
Syntax:
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 ); ?> |
false true
Program 2:
<?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 );
} ?> |
false true false
Reference: https://www.php.net/manual/en/function.intl-is-failure.php