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<?php $formatter = new IntlDateFormatter( 'ja_JP@calendar=japanese', IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'Europe/Madrid', IntlDateFormatter::TRADITIONAL, 'Gy年M月' ); $ts = $formatter->parse('令和元年8月'); //$ts = $formatter->parse('平成31年8月'); var_dump($ts, date('Y-m', $ts));
Output for 8.3.28, 8.5.0
int(1564610400) string(7) "2019-08"
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
bool(false) string(7) "1970-01"
Output for 8.0.13
Fatal error: Uncaught Error: Class "IntlDateFormatter" not found in /in/UKi3b:3 Stack trace: #0 {main} thrown in /in/UKi3b on line 3
Process exited with code 255.
Output for 7.3.32, 7.4.26, 7.4.33
Fatal error: Uncaught Error: Class 'IntlDateFormatter' not found in /in/UKi3b:3 Stack trace: #0 {main} thrown in /in/UKi3b on line 3
Process exited with code 255.

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