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<?php function dostuff() { echo 'mb_check_encoding: '; $ans = mb_check_encoding( "\xF4\x90\x80\x80", 'UTF-8' ); var_dump( $ans ); echo 'preg_match: '; $ans = preg_match( '//u', "\xF4\x90\x80\x80" ); var_dump( $ans ); } dostuff();
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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, 8.3.0 - 8.3.6
mb_check_encoding: bool(false) preg_match: bool(false)
Output for 5.3.4 - 5.3.29
mb_check_encoding: bool(true) preg_match: bool(false)
Output for 4.4.9, 5.2.5 - 5.2.17, 5.3.0 - 5.3.3
mb_check_encoding: bool(true) preg_match: int(0)
Output for 4.4.3 - 4.4.8, 5.1.3 - 5.1.6, 5.2.0 - 5.2.4
mb_check_encoding: bool(true) preg_match: int(1)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
mb_check_encoding: Fatal error: Call to undefined function mb_check_encoding() in /in/lXquL on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2
mb_check_encoding: Fatal error: Call to undefined function: mb_check_encoding() in /in/lXquL on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
mb_check_encoding: Fatal error: Call to undefined function: mb_check_encoding() in /in/lXquL on line 6

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