restore_error_handler
(PHP 4 >= 4.0.1, PHP 5)
restore_error_handler -- Restores the previous error handler function
说明
bool
restore_error_handler ( void )
Used after changing the error handler function using
set_error_handler(), to revert to the previous error
handler (which could be the built-in or a user defined function).
返回值
This function always returns TRUE.
范例
例 1. restore_error_handler() example
Decide if unserialize() caused an error, then
restore the original error handler.
<?php
function unserialize_handler($errno, $errstr)
{
echo "Invalid serialized value.\n";
}
$serialized = 'foo';
set_error_handler('unserialize_handler');
$original = unserialize($serialized);
restore_error_handler();
?>
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上例将输出： Invalid serialized value. |
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注释
注意:
Calling restore_error_handler() from the
error_handler function is ignored.