<?php class Test{ const ABC♥ = "alphabet"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constants = $class->getConstants(); $keys = array_keys($constants); for ( $i=0, $ct=count($keys); $i < $ct; $i++) { if ( strpos( $keys[$i], $bad_char) !== false ) { var_dump(mb_substr("♥", 0, )); var_dump(substr("♥", 0, )); trigger_error( "'$bad_char' in '$keys[$i]" ); }} // Notice: '♥' in 'ABC ♥' in …
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