Posts in 'PHP'

For a long time, I've been a proponent of using single-quotes as opposed to double-quotes when assigning string literals (strings containing no variables) to a variable (eg: $var = 'string'; VS $var = "string"). I just did some research to find out how much (if any) impact using single-vs-double quotes had on performance. I took the code from this blog post: http://spindrop.us/2007/03/03/php-double-versus-single-quotes/ modified the MAX constant to 8,000,000 and then ran the test on our Nexcess server. The results were fairly consistent: Time 1: 5.9485120773315 ($c = "test " . $i; ) Time 2: 7.0326972007751 ($c = "test $i"; ) Time 3: 5.9164550304413 ($c = 'test ' . $i; ) It's clear that embedding variables in strings is less efficient, but the difference between normal single-vs-...