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Output for 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
var: bool(true) expr: Warning: Undefined variable $a in /in/Icfer on line 6 Warning: Trying to access array offset on null in /in/Icfer on line 6 Warning: Trying to access array offset on null in /in/Icfer on line 6 bool(true)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28
var: bool(true) expr: Warning: Undefined variable $a in /in/Icfer on line 6 Warning: Trying to access array offset on value of type null in /in/Icfer on line 6 Warning: Trying to access array offset on value of type null in /in/Icfer on line 6 bool(true)
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
var: bool(true) expr: Notice: Undefined variable: a in /in/Icfer on line 6 Notice: Trying to access array offset on value of type null in /in/Icfer on line 6 Notice: Trying to access array offset on value of type null in /in/Icfer on line 6 bool(true)
Output for 7.3.32, 7.4.26
var: bool(true) expr: bool(true)
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33
var: bool(true) expr: Notice: Undefined variable: a in /in/Icfer on line 6 bool(true)

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