$value )
{
print "Key $key maps to value $value
";
}
$c = array();
$c[0] = "the first thing";
$c[1] = "next";
$c[2] = "thirteen";
foreach( $c as $key => $value )
{
print "Key $key maps to value $value
";
}
$b = array( "a", "b", "c" );
$b[] = "d";
foreach( $b as $key => $value )
{
print "Key $key maps to value $value
";
}
print_r( $a );
print_r( array_keys( $a ) );
print_r( array_values( $a ) );
print "Size is: " . count( array_keys( $a ) ) . "
\n";
$a['weight'] = NULL;
print $a['weight'];
print $a['weight2341235324562343'];
print "Size is: " . count( array_keys( $a ) ) . "
\n";
$var = "seven";
unset( $var );
print $var;
unset( $a['weight'] );
print "Size is: " . count( array_keys( $a ) ) . "
\n";
?>