public function testIs() { isFalse(Ser::is(1)); isFalse(Ser::is(null)); isFalse(Ser::is('s:4:"test;')); isFalse(Ser::is('a:0:{}!')); isFalse(Ser::is('a:0')); isFalse(Ser::is('This is a string')); isFalse(Ser::is('a string')); isFalse(Ser::is('z:0;')); isTrue(Ser::is('N;')); isTrue(Ser::is('b:1;')); isTrue(Ser::is('a:0:{}')); isTrue(Ser::is('O:8:"stdClass":2:{s:5:"prop1";s:5:"Hello";s:5:"prop2";s:5:"World";}')); }