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<?php $a = array(1,2); $test = '{{$the}}'; $the = 'var'; $theVar = preg_match('/({{\$(.*)}})/', ${2}, $test); echo $theVar; echo ${theVar};
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $2 in /in/UkB9m on line 6 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/UkB9m on line 6 0 Fatal error: Uncaught Error: Undefined constant "theVar" in /in/UkB9m:8 Stack trace: #0 {main} thrown in /in/UkB9m on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $2 in /in/UkB9m on line 6 0 Fatal error: Uncaught Error: Undefined constant "theVar" in /in/UkB9m:8 Stack trace: #0 {main} thrown in /in/UkB9m on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: 2 in /in/UkB9m on line 6 0 Warning: Use of undefined constant theVar - assumed 'theVar' (this will throw an Error in a future version of PHP) in /in/UkB9m on line 8 0
Output for 7.3.32 - 7.3.33
0 Warning: Use of undefined constant theVar - assumed 'theVar' (this will throw an Error in a future version of PHP) in /in/UkB9m on line 8 0
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Undefined variable: 2 in /in/UkB9m on line 6 0 Notice: Use of undefined constant theVar - assumed 'theVar' in /in/UkB9m on line 8 0
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: 2 in /in/UkB9m on line 6 0 Notice: Use of undefined constant theVar - assumed 'theVar' in /in/UkB9m on line 8 0

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