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<?php class Test{ const ABC♥ = "alphabet"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constants = $class->getConstants(); $names = array_keys($constants); var_dump($names); /* for ($i = 0, $max = count($constants); $i < $max; $i++) { if ( mb_strpos( $constants[$i], $bad_char) !== false ) { trigger_error( "'$bad_char' in '$constant'" ); } } // Notice: '♥' in 'ABC♥' ... */
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> string(6) "ABC♥" }

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