<?php/** * Compare building an array an in_array()ing it, vs a regex check */$runs = 1000000;// in_array$t = microtime(true);for ($i = 0; $i < $runs; $i++) { if (in_array('test', ['foo','bar','baz','fooby','bario','xyz','abc','def','ghi','jkl','mno','pqr','stu','vwx']));}$t -= microtime(true);echo 'in_array: ', $t, PHP_EOL;// preg_match$t = microtime(true);for ($i = 0; $i < $runs; $i++) { if (preg_match('/^(foo|bar|baz|fooby|bario|xyz|abc|def|ghi|jkl|mno|pqr|stu|vwx)$/', 'test'));}$t -= microtime(true);echo 'preg_match: ', $t, PHP_EOL;<?php
- Output for 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- <?php/** * Compare building an array an in_array()ing it, vs a regex check */$runs = 1000000;// in_array$t = microtime(true);for ($i = 0; $i < $runs; $i++) { if (in_array('test', ['foo','bar','baz','fooby','bario','xyz','abc','def','ghi','jkl','mno','pqr','stu','vwx']));}$t -= microtime(true);echo 'in_array: ', $t, PHP_EOL;// preg_match$t = microtime(true);for ($i = 0; $i < $runs; $i++) { if (preg_match('/^(foo|bar|baz|fooby|bario|xyz|abc|def|ghi|jkl|mno|pqr|stu|vwx)$/', 'test'));}$t -= microtime(true);echo 'preg_match: ', $t, PHP_EOL;
- Output for 8.0.13
- Parse error: syntax error, unexpected variable "$runs" in /in/BZR03 on line 1
Process exited with code 255. - Output for 5.4.0 - 5.4.31, 5.5.0 - 5.5.15, 7.3.32 - 7.3.33, 7.4.33
- Parse error: syntax error, unexpected '$runs' (T_VARIABLE) in /in/BZR03 on line 1
Process exited with code 255. - Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31
- <?php/** * Compare building an array an in_array()ing it, vs a regex check */$runs = 1000000;// in_array$t = microtime(true);for ($i = 0; $i < $runs; $i++) { if (in_array('test', ['foo','bar','baz','fooby','bario','xyz','abc','def','ghi','jkl','mno','pqr','stu','vwx']));}$t -= microtime(true);echo 'in_array: ', $t, PHP_EOL;// preg_match$t = microtime(true);for ($i = 0; $i < $runs; $i++) { if (preg_match('/^(foo|bar|baz|fooby|bario|xyz|abc|def|ghi|jkl|mno|pqr|stu|vwx)$/', 'test'));}$t -= microtime(true);echo 'preg_match: ', $t, PHP_EOL;<?php
preferences:
177.98 ms | 404 KiB | 270 Q