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run code in 300+ PHP versions simultaneously
<?php class ClassParent() { public function __construct() { echo 'Im parent'; } } class ClassChild() { protected $parent = null; public function __construct() { echo 'Im child'; $this->parent = new parent(); } }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '(', expecting '{' in /in/gnHCp on line 2
Process exited with code 255.

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