Source of: /manual/en/migration51.integer-parameters.php
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<div id="migration51.integer-parameters" class="section">
<h2 class="title">Integer values in function parameters</h2>
<p class="para">
With the advent of PHP 5.0.x, a new parameter parsing API was introduced
which is used by a large number of PHP functions. In all versions of PHP
between 5.0.x and 5.1.x, the handling of integer values was very strict and
would reject non-well formed numeric values when a PHP function expected an
integer. These checks have now been relaxed to support non-well formed
numeric strings such as " 123" and "123 ", and will no longer fail as they
did under PHP 5.0.x. However, to promote code safety and input validation,
PHP functions will now emit an <b><tt class="constant">E_NOTICE</tt></b> when such
strings are passed as integers.
</p>
</div><?php manual_footer(); ?>
