assert_options
(PHP 4, PHP 5, PHP 7)
assert_options — Set/get the various assert flags
Description
mixed assert_options ( int $what [, mixed $value ] )Set the various assert() control options or just query their current settings.
Parameters
what
Option | INI Setting | Default value | Description |
|---|---|---|---|
ASSERT_ACTIVE | assert.active | 1 | enable assert() evaluation |
ASSERT_WARNING | assert.warning | 1 | issue a PHP warning for each failed assertion |
ASSERT_BAIL | assert.bail | 0 | terminate execution on failed assertions |
ASSERT_QUIET_EVAL | assert.quiet_eval | 0 | disable error_reporting during assertion expression evaluation |
ASSERT_CALLBACK | assert.callback | (NULL) | Callback to call on failed assertions |
value
An optional new value for the option.
Return Values
Returns the original setting of any option or FALSE on errors.
Examples
Example #1 assert_options() example
<?php
//?This?is?our?function?to?handle?
//?assert?failures
function?assert_failure()
{
????echo?'Assert?failed';
}
//?This?is?our?test?function
function?test_assert($parameter)
{
????assert(is_bool($parameter));
}
//?Set?our?assert?options
assert_options(ASSERT_ACTIVE,???true);
assert_options(ASSERT_BAIL,?????true);
assert_options(ASSERT_WARNING,??false);
assert_options(ASSERT_CALLBACK,?'assert_failure');
//?Make?an?assert?that?would?fail
test_assert(1);
//?This?is?never?reached?due?to?ASSERT_BAIL?
//?being?true
echo?'Never?reached';
?>See Also
- assert() - Checks if assertion is FALSE
assert →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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