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PHP

Set/get the various assert flags


assert_options

(PHP 4, PHP 5)

assert_optionsSet/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

Assert Options
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



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