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WordPress – Undefined array key 0 in wp-includes/plugin.php on line 1004

Hi I have an issiue with this error "Undefined array key 0 in wp-includes/plugin.php on line 1004" I have no clue how to fix it or what it is casued by. Does anyone have any idea what it can be caused by or ho to fix it because i didn’t find any information about this error any help would be appreciated.

I have no clue how to fix it or what it is casued by.

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2

Answers


  1. 0

    you can check though conditional statements that if the key exists before attempting to access it

    if (isset($array[0])) {     }

else {
    }

    in plugin.php on line 1004

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  2. 0

    I see that a lot when the variable being logic checked is not an array. You might add logic to check is_array().

    if (is_array( $callback )) {
    if ( is_object( $callback[0] ) ) {
        // Object class calling.
        return spl_object_hash( $callback[0] ) . $callback[1];
    } elseif ( is_string( $callback[0] ) ) {
        // Static calling.
        return $callback[0] . '::' . $callback[1];
    }
}
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