3v4l.org

run code in 300+ PHP versions simultaneously
<?php $formData = array(); echo '$formData[\'chain_id\'] = \'0\';'; echo "\n"; $formData['chain_id'] = '0'; echo 'empty($formData[\'chain_id]\'): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[\'chain_id\'] === \'0\': '; var_dump($formData['chain_id'] === '0');
Output for git.master, git.master_jit, rfc.property-hooks
$formData['chain_id'] = '0'; empty($formData['chain_id]'): bool(true) $formData['chain_id'] === '0': bool(true)

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:
48.88 ms | 401 KiB | 8 Q