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run code in 300+ PHP versions simultaneously

@ 2015-10-10T10:38:19Z

<?php
class namedClass{
    
    protected $prop;
    
    public function __construct($value){
        
        $this->prop = $value;
        
    }
    
    public function returnProperty($propName){
        
        if( !empty($this->$propName) ){
            
            return $this->$propName;
            
        }else{
            
            return null;
            
        }

    }
    
}

$standardObject = new namedCLass('The named class');

echo $standardObject->returnProperty('prop')."\n";

class namedExtension extends namedClass{
    
    public function returnProperty($propName){
        
        if( !empty($this->$propName) ){
            
            return $this->$propName.' from standard extenstion';
            
        }else{
            
            return null;
            
        }
        
    }
    
}

$extObject = new namedExtension('The named extension');

echo $extObject->returnProperty('prop')."\n";

$anonObj = new class('The anonymous class') extends namedClass{
    
    public function returnProperty($propName){
        
        if( !empty($this->$propName) ){
            
            return $this->$propName.' from anonymous class';
            
        }else{
            
            return null;
            
        }
        
    }
    
};

echo $anonObj->returnProperty('prop');

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: The named class The named extension from standard extenstion The anonymous class from anonymous class
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 The named class The named extension from standard extenstion The anonymous class from anonymous class
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/iukUl on line 54
Process exited with code 255.

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