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<?php
// Check Xdebug is installed
if ( !extension_loaded('xdebug') )
die ('<a href="http://xdebug.derickrethans.nl/">Xdebug</a> required');
// Start Xdebug profiling
xdebug_start_profiling();
// A array of colors "weighted" to red
$colors = array ('red','red','red','red','red','red','red','blue');
// The slow way
function isBlueSlow ($color) {
if ( $color == 'blue' ) {
return TRUE;
}
return FALSE;
}
// The fast way - test for red first
function isBlueFast ($color) {
if ( $color != 'blue' ) {
return FALSE;
}
return TRUE;
}
// Test the slow way
for ($i=0;$i<50;$i++) {
if ( ! $color = each ( $colors ) ) {
reset ( $colors );
$color = each ( $colors );
}
if ( isBlueSlow($color['value']) ) {
// Do something here
}
}
// Test the fast way
for ($i=0;$i<50;$i++) {
if ( ! $color = each ( $colors ) ) {
reset ( $colors );
$color = each ( $colors );
}
if ( isBlueFast($color['value']) ) {
// Do something here
}
}
// Display the Xdebug report grouped by function call
xdebug_dump_function_profile(XDEBUG_PROFILER_NC);
?>
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