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<?php class Test{ const ABC♥ = "love"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constant = "ABC♥"; if ( $class->getConstant( $constant ) ) { if ( mb_strpos( $constant, $bad_char) !== false ) { trigger_error( "$bad_char in $constant" ); } }
Output for git.master, git.master_jit, rfc.property-hooks
Notice: ♥ in ABC♥ in /in/g5TFQ on line 9

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