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<?php define('CONSTANT',1); define('_CONSTANT',0); define('EMPTY',''); echo EMPTY; if(!empty(constant(EMPTY))) { if(!(boolean) _CONSTANT) { print "one"; } }
Output for 5.3.0 - 5.4.25
Parse error: syntax error, unexpected ';', expecting '(' in /in/vSPM1 on line 5
Process exited with code 255.