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--TEST--
Test function getservbyname() by substituting argument 1 with emptyUnsetUndefNull values.
--FILE--
<?php
echo "*** Test substituting argument 1 with emptyUnsetUndefNull values ***\n";
$protocol = "tcp";
$unset_var = 10;
unset($unset_var);
$variation_array = array(
'unset var' => @$unset_var,
'undefined var' => @$undefined_var,
'empty string DQ' => "",
'empty string SQ' => '',
'uppercase NULL' => NULL,
'lowercase null' => null,
);
foreach ( $variation_array as $var ) {
var_dump(getservbyname( $var , $protocol ) );
}
?>
--EXPECT--
*** Test substituting argument 1 with emptyUnsetUndefNull values ***
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
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