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<?php var_dump(pow(2, "-2")); var_dump(pow(2, "string"));
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
float(0.25) Fatal error: Uncaught TypeError: Unsupported operand types: int ** string in /in/iYrMq:5 Stack trace: #0 /in/iYrMq(5): pow(2, 'string') #1 {main} thrown in /in/iYrMq on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
float(0.25) Warning: A non-numeric value encountered in /in/iYrMq on line 5 int(1)
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
float(0.25) int(1)

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