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<?php
# This file illustrates the manipulation of C++ references in Php.
# This uses the low-level interface. Proxy classes work differently.
require "example.php";
# ----- Object creation -----
print "Creating some objects:\n";
$a = new_Vector(3,4,5);
$b = new_Vector(10,11,12);
print " Created a: $a " . Vector_print($a) . "\n";
print " Created b: $b " . Vector_print($b) . "\n";
# ----- Call an overloaded operator -----
# This calls the wrapper we placed around
#
# operator+(const Vector &a, const Vector &)
#
# It returns a new allocated object.
print "Adding a+b\n";
$c = addv($a,$b);
print " a+b =". Vector_print($c)."\n";
# Note: Unless we free the result, a memory leak will occur
$c = None;
# ----- Create a vector array -----
# Note: Using the high-level interface here
print "Creating an array of vectors\n";
$va = new_VectorArray(10);
print " va: $va size=".VectorArray_size($va)."\n";
# ----- Set some values in the array -----
# These operators copy the value of $a and $b to the vector array
VectorArray_set($va,0,$a);
VectorArray_set($va,1,$b);
VectorArray_get($va,0);
# This will work, but it will cause a memory leak!
VectorArray_set($va,2,addv($a,$b));
# The non-leaky way to do it
$c = addv($a,$b);
VectorArray_set($va,3,$c);
$c = None;
# Get some values from the array
print "Getting some array values\n";
for ($i = 0; $i < 5; $i++) {
print "do $i\n";
print " va($i) = ". Vector_print(VectorArray_get($va,$i)). "\n";
}
# Watch under resource meter to check on this
#print "Making sure we don't leak memory.\n";
#for ($i = 0; $i < 1000000; $i++) {
# $c = VectorArray_get($va,$i % 10);
#}
# ----- Clean up -----
print "Cleaning up\n";
# wants fixing FIXME
$va = None;
$a = None;
$b = None;
?>
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