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<?php setlocale( LC_NUMERIC, 'de_DE.UTF-8' ); $float = 3.45; echo ' (string) $float => '; var_dump( (string) $float ); // string(4) "3,45" <-- comma in PHP<8 echo 'json_encode( $float ) => '; var_dump( json_encode( $float ) ); // string(4) "3.45" <-- always a period in PHP 7+
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.33, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
(string) $float => string(4) "3.45" json_encode( $float ) => string(4) "3.45"
Output for 5.2.0, 5.2.5 - 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
(string) $float => string(4) "3,45" json_encode( $float ) => string(4) "3.45"
Output for 5.2.1 - 5.2.4
(string) $float => string(4) "3,45" json_encode( $float ) => string(4) "3,45"
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
(string) $float => string(4) "3,45" json_encode( $float ) => Fatal error: Call to undefined function json_encode() in /in/jdDsn on line 10
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/jdDsn on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
(string) $float => string(4) "3,45" json_encode( $float ) => Fatal error: Call to undefined function: json_encode() in /in/jdDsn on line 10
Process exited with code 255.
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.4
(string) $float => string(4) "3,45" json_encode( $float ) => Fatal error: Call to undefined function: json_encode() in /in/jdDsn on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.9
(string) $float => string(4) "3.45" json_encode( $float ) => Fatal error: Call to undefined function: json_encode() in /in/jdDsn on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
(string) $float => string(4) "3.45" json_encode( $float ) => Fatal error: Call to undefined function: json_encode() in /in/jdDsn on line 10
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