PHP Code with errors

Code with errors

// validate the list price entry
if ( $list_price = NULL || $list_price = FALSE ) {
    $error = "Please enter a valid number.';
} else {
    $error = ''
}

Code with errors corrected

// validate the list price entry
if ( $list_price == NULL || $list_price == FALSE ) {
    $error = "Please enter a valid number.';
} else {
    $error = '';
}

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