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run code in 500+ PHP versions simultaneously
<?php $name = 'this has lots of spaces'; $name = preg_replace('/ +/', '_', $name); print $name . PHP_EOL; $name = 'this has lots of spaces'; $name = preg_replace('/\s+/', '_', $name); print $name . PHP_EOL; $name = 'this has one tab and lots of tabs'; $name = preg_replace('/ +/', '_', $name); print $name . PHP_EOL; $name = 'this has one tab and lots of tabs'; $name = preg_replace('/\s+/', '_', $name); print $name . PHP_EOL;
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
this has_lots_of_spaces this_has_lots_of_spaces this has one tab and lots of tabs this_has_one_tab_and_lots_of_tabs
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/9QuIs on line 4 this has_lots_of_spacesPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/9QuIs on line 8 this_has_lots_of_spacesPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/9QuIs on line 12 this has one tab and lots of tabsPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/9QuIs on line 17 this_has_one_tab_and_lots_of_tabsPHP_EOL
preferences:
114.68 ms | 2203 KiB | 4 Q