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<?php $string = ' 0 '; $x = str_replace(' ', '', $string) != ''; $y = trim($string) != ''; $z = trim($string) ? true : false; $z1 = empty(trim($string)); var_dump([$x, $y, $z, $z1]);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
array(4) { [0]=> bool(true) [1]=> bool(true) [2]=> bool(false) [3]=> bool(true) }
preferences:
84.77 ms | 1154 KiB | 4 Q