match-and-echo-tests.php

<?php

// First, we have the strings to test.
$string_to_find = 'brisket';
$string_to_search = '5rWIZiWxvRAqrKEJgx8IS0JZkKxop9Z5rWg7yPZsU8zzBneMR65tgZzPd5LZtfUBNbKpthEI4qSZJC6H3yFCpl3VaA3aYbrisket';

// now we'll test strpos…
echo 'Start time, strpos(): ', ( $strpos_start = microtime( true ) ), "\n\n";
for ( $i = 1; $i <= 1000000; $i++ ) {
	if ( strpos( $string_to_search, $string_to_find ) ) {
		
	}
}
echo 'End time strpos(): ', ( $strpos_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $strpos_end - $strpos_start ), "\n\n/*************/\n\n";

// …and stripos…
echo 'Start time, stripos(): ', ( $stripos_start = microtime( true ) ), "\n\n";
for ( $i = 1; $i <= 1000000; $i++ ) {
	if ( stripos( $string_to_search, $string_to_find ) ) {
		
	}
}
echo 'End time stripos(): ', ( $stripos_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $stripos_end - $stripos_start ), "\n\n/*************/\n\n";

// …and preg_match…
echo 'Start time, preg_match(): ', ( $preg_match_start = microtime( true ) ), "\n\n";
for ( $i = 1; $i <= 1000000; $i++ ) {
	if ( preg_match( "/$string_to_find/", $string_to_search ) ) {
		
	}
}
echo 'End time preg_match(): ', ( $preg_match_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $preg_match_end - $preg_match_start ), "\n\n/*************/\n\n";

// …and strstr…
echo 'Start time, strstr(): ', ( $strstr_start = microtime( true ) ), "\n\n";
for ( $i = 1; $i <= 1000000; $i++ ) {
	if ( strstr( $string_to_search, $string_to_find ) ) {
		
	}
}
echo 'End time strstr(): ', ( $strstr_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $strstr_end - $strstr_start ), "\n\n/*************/\n\n";

// …and stristr…
echo 'Start time, stristr(): ', ( $stristr_start = microtime( true ) ), "\n\n";
for ( $i = 1; $i <= 1000000; $i++ ) {
	if ( stristr( $string_to_search, $string_to_find ) ) {
		
	}
}
echo 'End time stristr(): ', ( $stristr_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $stristr_end - $stristr_start ), "\n\n/*************/\n\n";

// now let's see which is faster: echo $a, $b __or__ echo $a . $b

echo 'Start time, echo with ",": ', ( $echo_start = microtime( true ) ), "\n\n";
ob_start();
for ( $j = 0; $j <= 1000000; $j++ ) {
	echo $string_to_find, $string_to_search;
}
ob_end_clean();
echo 'End time echo with ",": ', ( $echo_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $echo_end - $echo_start ), "\n\n/*************/\n\n";

echo 'Start time, echo with ".": ', ( $echo_d_start = microtime( true ) ), "\n\n";
ob_start();
for ( $j = 0; $j <= 1000000; $j++ ) {
	echo $string_to_find . $string_to_search;
}
ob_end_clean();
echo 'End time echo with ".": ', ( $echo_d_end = microtime( true ) ), "\n\n";
echo "Difference: ", ( $echo_d_end - $echo_d_start ), "\n\n/*************/\n\n";

?>