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<?php var_dump(filter_var('-0', FILTER_VALIDATE_INT)); var_dump(filter_var('-0', FILTER_VALIDATE_FLOAT)); var_dump(is_int(-0)); var_dump(is_float(-0)); var_dump(is_float(-0.0)); var_dump(round(-0.1)); var_dump(is_float(round(-0.1))); var_dump(-0);
Output for 5.4.11 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(0) float(0) bool(true) bool(false) bool(true) float(-0) bool(true) int(0)
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.10
bool(false) float(0) bool(true) bool(false) bool(true) float(-0) bool(true) int(0)
Output for 5.2.0
bool(false) float(0) bool(true) bool(false) bool(true) float(0) bool(true) int(0)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/A860g on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/A860g on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/A860g on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/A860g on line 2

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