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<?php function isMangled($key) { $arr = []; $arr[$key] = null; return (string) $key !== (string) key($arr); } var_dump( isMangled(1), isMangled(1.5), isMangled(null), isMangled("test"), isMangled("test\0") );
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Implicit conversion from float 1.5 to int loses precision in /in/MSBoB on line 5 bool(false) bool(true) bool(false) bool(false) bool(false)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
bool(false) bool(true) bool(false) bool(false) bool(false)
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 '[' in /in/MSBoB 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 '[' in /in/MSBoB on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/MSBoB on line 4
Process exited with code 255.
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280.74 ms | 401 KiB | 459 Q