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absint()

absint( mixed $maybeint ): int

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Converts a value to non-negative integer.

Parameters

$maybeintmixedrequired
Data you wish to have converted to a non-negative integer.

Return

int A non-negative integer.

Source

function absint( $maybeint ) {
	return abs( (int) $maybeint );
}

View all references View on Trac View on GitHub

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Changelog

VersionDescription
2.5.0Introduced.

User Contributed Notes

  4. Skip to note 8 content
    tradesouthwest
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note

    As to math and floating numbers there are results to consider when using absint(). Here are some tests.

    echo '<ul>
<li>0      returns '. absint( 0 ) . '</li>  
<li>1      returns '. absint( 1 ) . '</li>
<li>-1     returns '. absint( -1 ) . '</li>
<li>-1 + 1 returns '. absint( (-1 + 1) ) . '</li>
<li>1 * -1 returns '. absint( (1 * -1) ) . '</li>
<li>1 / -1 returns '. absint( (1 / -1) ) . '</li>
<li>1 - 1  returns '. absint( (1 - 1) ) . '</li>
<li>0 * -1 returns '. absint( (0 * -1) ) . '</li>
<li>0 / 1  returns '. absint( (0 / 1) ) . '</li>
<li>0 - 1  returns '. absint( (0 - 1) ) . '</li>
<li>0.99 * 1  returns '. absint( (0.99 * 1) ) . '</li>
<li>1.99 * 1  returns '. absint( (1.99 * 1) ) . '</li>
<li>0.99 / 1  returns '. absint( (0.99 / 1) ) . '</li>
<li>1.99 / 1  returns '. absint( (1.99 / 1) ) . '</li>
</ul>';

    Prints:

    0 returns 0
    1 returns 1
    -1 returns 1
    -1 + 1 returns 0
    1 * -1 returns 1
    1 / -1 returns 1
    1 - 1 returns 0
    0 * -1 returns 0
    0 / 1 returns 0
    0 - 1 returns 1
    0.99 * 1 returns 0
    1.99 * 1 returns 1
    0.99 / 1 returns 0
    1.99 / 1 returns 1

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