- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
- float(2.220446049250313E-16)
- Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- float(2.2204460492503E-16)
- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
- Notice: Use of undefined constant PHP_FLOAT_EPSILON - assumed 'PHP_FLOAT_EPSILON' in /in/570q1 on line 3 string(17) "PHP_FLOAT_EPSILON"