"; // Time the strpos() way $time_a1 = microtime(true); echo "Start strpos(): $time_a1
"; for ( $i = 0; $i < $repeat; $i++ ){ if ( 0 === strpos( $color_init, '#' ) ) $color = substr( $color_init, 1 ); elseif ( 0 === strpos( $color_init, '%23' ) ) $color = substr( $color_init, 3 ); else $color = $color_init; } echo "Final strpos() color: $color
"; $time_a2 = microtime(true); echo "End strpos(): $time_a2
"; echo "Total time: " . ($time_a2 - $time_a1) . "

"; // Time the trim() way $time_b1 = microtime(true); echo "Start trim(): $time_b1
"; for ( $i = 0; $i < $repeat; $i++ ){ //$color = trim( urldecode( $color_init ), "#" ); //used as 2nd trim $color = trim( urldecode( $color_init ), "# \t\r\n\0\x0B" ); //replace existing diff's trim //$color = trim( urldecode( trim( $color_init ) ), "#" ); //double trim } echo "Final trim() color: $color
"; $time_b2 = microtime(true); echo "End trim(): $time_b2
"; echo "Total time: " . ($time_b2 - $time_b1) . "

";