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run code in 300+ PHP versions simultaneously
<?php $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $keys = []; $vals = []; for ($i = 0; $i < 120; $i++) { $keys[] = '%s'; $vals[] = substr(str_shuffle($chars), 0, mt_rand(7, 16)); } $s = ''; $t = microtime(true); for ($i = 0, $c = count($vals); $i < $c; $i+=4) { $s .= sprintf('%s, %s, %s, %s, ', $vals[$i], $vals[$i + 1], $vals[$i + 2], $vals[$i + 3]); } echo microtime(true) - $t; echo "\n"; $t = microtime(true); $s = vsprintf(implode(', ', $keys), $vals); echo microtime(true) - $t; echo "\n";
Output for 7.3.1
2.0027160644531E-5 7.8678131103516E-6
Output for 7.3.0
2.4795532226562E-5 1.3828277587891E-5
Output for 7.2.13
2.4080276489258E-5 8.8214874267578E-6
Output for 7.2.12
5.0067901611328E-5 1.0967254638672E-5
Output for 7.2.11
3.9815902709961E-5 1.5974044799805E-5
Output for 7.2.10
2.6941299438477E-5 1.6212463378906E-5
Output for 7.2.9
3.0994415283203E-5 1.5020370483398E-5
Output for 7.2.8
2.0980834960938E-5 1.0967254638672E-5
Output for 7.2.7
4.1007995605469E-5 1.5974044799805E-5
Output for 7.2.1, 7.2.6
2.4795532226562E-5 1.5020370483398E-5
Output for 7.2.5
2.0027160644531E-5 3.0040740966797E-5
Output for 7.2.4
3.2901763916016E-5 9.0599060058594E-6
Output for 7.2.3
0.014331102371216 1.4066696166992E-5
Output for 7.2.2
3.3140182495117E-5 1.5020370483398E-5
Output for 7.2.0
3.0994415283203E-5 1.215934753418E-5
Output for 7.1.25
3.2186508178711E-5 1.5974044799805E-5
Output for 7.1.12
4.6968460083008E-5 1.1920928955078E-5
Output for 7.1.11
6.5088272094727E-5 1.1205673217773E-5
Output for 7.1.10
4.6968460083008E-5 1.0013580322266E-5
Output for 7.1.1, 7.1.9
5.0067901611328E-5 9.0599060058594E-6
Output for 7.1.8
4.5061111450195E-5 9.0599060058594E-6
Output for 7.1.7
5.8889389038086E-5 1.0013580322266E-5
Output for 7.1.6
5.6028366088867E-5 8.8214874267578E-6
Output for 7.1.5
4.8160552978516E-5 1.9073486328125E-5
Output for 7.1.4
0.00012397766113281 1.1205673217773E-5
Output for 7.1.3
6.6041946411133E-5 1.0967254638672E-5
Output for 7.1.2
5.1021575927734E-5 1.0013580322266E-5
Output for 7.1.0
6.1988830566406E-5 1.0967254638672E-5
preferences:
51.84 ms | 441 KiB | 5 Q