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<?php var_dump(substr($number, strrchr($number, '.') + 1)); die; $number = 12.4444; $decimal = strlen(substr($number, strpos($number, '.') + 1)); var_dump($decimal);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $number in /in/Z0jI4 on line 6 Warning: Undefined variable $number in /in/Z0jI4 on line 6 Deprecated: strrchr(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Z0jI4 on line 6 Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Z0jI4 on line 6 string(0) ""
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $number in /in/Z0jI4 on line 6 Warning: Undefined variable $number in /in/Z0jI4 on line 6 string(0) ""
Output for 5.0.4 - 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 - 5.6.40, 7.0.0 - 7.0.33, 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: Undefined variable: number in /in/Z0jI4 on line 6 Notice: Undefined variable: number in /in/Z0jI4 on line 6 bool(false)
Output for 7.3.32 - 7.3.33
bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: number in /in/Z0jI4 on line 6 Notice: Undefined variable: number in /in/Z0jI4 on line 6 bool(false)

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