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assert_options

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(PHP 4, PHP 5, PHP 7)

assert_options — Set/get the various assert flags

Description

assert_options ( int $what [, mixed $value ] ) : mixed

Set the various assert() control options or just query their current settings.

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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.

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Return Values

Returns the original setting of any option or FALSE on errors.

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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';
?>

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See Also

  • assert() - Checks if assertion is FALSE

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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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