DateTimeImmutable::getLastErrors

    (PHP 5 >= 5.5.0, PHP 7, PHP 8)

    DateTimeImmutable::getLastErrors — Returns the warnings and errors

    Description

    public static DateTimeImmutable::getLastErrors(): array|false

    Returns an array of warnings and errors found while parsing a date/time string.

    Parameters

    This function has no parameters.

    Return Values

    Returns array containing info about warnings and errors, or false if there are neither warnings nor errors.

    Changelog

    Version Description
    8.2.0 Before PHP 8.2.0, this function did not return false when there were no warnings or errors. Instead, it would always return the documented array structure.

    Examples

    Example #1 DateTimeImmutable::getLastErrors() example

    <?php
    try {
    $date = new DateTimeImmutable('asdfasdf');
    } catch (    Exception $e) {
    // For demonstration purposes only...
    print_r(DateTimeImmutable::getLastErrors());

    // The real object-oriented way to do this is
    // echo $e->getMessage();
    }
    ?>

    The above examples will output:

    Array
(
   [warning_count] => 1
   [warnings] => Array
       (
           [6] => Double timezone specification
       )

   [error_count] => 1
   [errors] => Array
       (
           [0] => The timezone could not be found in the database
       )

)

    The indexes 6, and 0 in the example output refer to the character index in the string where the error occurred.

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    User Contributed Notes 1 note

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    _mittens
    1 year ago
    If you are curious as to when the internal array gets resetted (from https://onlinephp.io/c/3ee35):

    <?php

    $date0     = DateTimeImmutable::createFromFormat('!Y-m-d', '2020-31-31');
    var_dump($date0->format('c')); // 2022-07-31T00:00:00+00:00

    foreach(range(0,2) as $_)
    // The internal error won't reset
    var_dump( join(DateTimeImmutable::getLastErrors()['warnings']) ); // The parsed date was invalid

    $date1 = DateTimeImmutable::createFromFormat('!Y-m-d', '2020-12-31');
    var_dump($date1->format('c')); // 2020-12-31T00:00:00+00:00

    // The internal error did reset
    var_dump( empty(DateTimeImmutable::getLastErrors()['warnings']) ); // true

    $date2 = DateTimeImmutable::createFromFormat('!Y-m-d', '2020-31-31');
    var_dump( join(DateTimeImmutable::getLastErrors()['warnings']) ); // The parsed date was invalid
    $date3 = new DateTimeImmutable('2023-12-31T00:00:00.000000Z');

    // The internal error did reset
    var_dump( empty(DateTimeImmutable::getLastErrors()['warnings']) ); // true
    ?>

    Output:
    string(25) "2022-07-31T00:00:00+00:00"
    string(27) "The parsed date was invalid"
    string(27) "The parsed date was invalid"
    string(27) "The parsed date was invalid"
    string(25) "2020-12-31T00:00:00+00:00"
    bool(true)
    string(27) "The parsed date was invalid"
    bool(true)
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