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<?php $a = '3.2d9'; $a++; var_dump($a); $a++; var_dump($a); var_dump(1.8e307); $a = 5/2; echo (float)(string)$a;
Output for 8.3.0 - 8.3.6
Deprecated: Increment on non-alphanumeric string is deprecated in /in/MMrJF on line 4 string(5) "3.2e0" float(4.2) float(1.8E+307) 2.5
Output for 4.3.3 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.18
string(5) "3.2e0" float(4.2) float(1.8E+307) 2.5
Output for 4.3.0 - 4.3.2
string(5) "3.2e0" float(4.2) float(0.E+79) 2.5

preferences:
302.99 ms | 401 KiB | 425 Q