3v4l.org

run code in 300+ PHP versions simultaneously
<?php $GLOBALS['wp_version'] = '5.9-alpha-53344-src'; $current_version = substr( $GLOBALS['wp_version'], 0, 3 ); var_dump( $current_version ); $current_version = number_format( (float) $current_version - 0.1, 1 ); var_dump( $current_version ); $latest_stable = sprintf( '%s.x', $current_version ); var_dump( $latest_stable );
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "5.9" string(3) "5.8" string(5) "5.8.x"

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
31.29 ms | 405 KiB | 5 Q