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<?php echo '$formData = array();'; echo "\n"; $formData = array(); echo 'empty($formData[\'chain_id\']): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[\'chain_id\'] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; echo "\n"; echo '$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($formData['chain_id'] === '0'); echo "\n"; echo "\n"; echo '$formData[\'chain_id\'] = 1;'; echo "\n"; $formData['chain_id'] = 1; echo 'empty($formData[\'chain_id\']): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[\'chain_id\'] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; echo "\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
$formData = array(); empty($formData['chain_id']): bool(true) $formData['chain_id'] === '0': Warning: Undefined array key "chain_id" in /in/POjkX on line 10 bool(false) $formData['chain_id'] = 0; empty($formData['chain_id]'): bool(true) $formData['chain_id'] === '0': bool(false) $formData['chain_id'] = 1; empty($formData['chain_id']): bool(false) $formData['chain_id'] === '0': bool(false)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
$formData = array(); empty($formData['chain_id']): bool(true) $formData['chain_id'] === '0': Notice: Undefined index: chain_id in /in/POjkX on line 10 bool(false) $formData['chain_id'] = 0; empty($formData['chain_id]'): bool(true) $formData['chain_id'] === '0': bool(false) $formData['chain_id'] = 1; empty($formData['chain_id']): bool(false) $formData['chain_id'] === '0': bool(false)
Output for 7.3.32 - 7.3.33, 7.4.26
$formData = array(); empty($formData['chain_id']): bool(true) $formData['chain_id'] === '0': bool(false) $formData['chain_id'] = 0; empty($formData['chain_id]'): bool(true) $formData['chain_id'] === '0': bool(false) $formData['chain_id'] = 1; empty($formData['chain_id']): bool(false) $formData['chain_id'] === '0': bool(false)
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
$formData = array(); empty($formData['chain_id']): bool(true) $formData['chain_id'] === '0': Notice: Undefined index: chain_id in /in/POjkX on line 10 bool(false) $formData['chain_id'] = 0; empty($formData['chain_id]'): bool(true) $formData['chain_id'] === '0': bool(false) $formData['chain_id'] = 1; empty($formData['chain_id']): bool(false) $formData['chain_id'] === '0': bool(false)
preferences:
294.52 ms | 403 KiB | 403 Q