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<?php function coalesce($default, &...$args) { return array_filter($args) ?: $default; } $e1 = []; $e2 = 'fur'; echo coalesce('default', $e1, $happy, $e2);
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
Warning: Array to string conversion in /in/qMrtW on line 10 Array
Output for 5.6.7 - 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 - 7.4.33
Notice: Array to string conversion in /in/qMrtW on line 10 Array
Output for 7.3.32 - 7.3.33
Array
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting variable (T_VARIABLE) in /in/qMrtW on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting T_VARIABLE in /in/qMrtW on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting T_VARIABLE in /in/qMrtW on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' in /in/qMrtW on line 4
Process exited with code 255.
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278.66 ms | 401 KiB | 359 Q