Online PHP editor | output for PvAHe

@ 2016-09-06T07:26:29Z

<?php

$reflectionMethod = new ReflectionMethod(Exception::class, "__construct");

foreach ($reflectionMethod->getParameters() as $reflectionParameter) {
    $defaultValue = null;
    
    if ($reflectionParameter->isDefaultValueAvailable()) {
        $defaultValue = $reflectionParameter->getDefaultValue();
        $defaultValue = var_export($defaultValue, true);
    } else if ($reflectionParameter->isDefaultValueConstant()) {
        $defaultValue = $reflectionParameter->getDefaultValueConstantName();
    }
    
    if (isset($defaultValue)) {
        print "Default value of \$" . $reflectionParameter->name . " = " . $defaultValue;
    } else {
        print "Default value of \$" . $reflectionParameter->name . " does not exist.";
    }
    
    print PHP_EOL;
}

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: Default value of $message = '' Default value of $code = 0 Default value of $previous = NULL
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: Fatal error: Uncaught ReflectionException: Cannot determine default value for internal functions in /in/PvAHe:11 Stack trace: #0 /in/PvAHe(11): ReflectionParameter->isDefaultValueConstant() #1 {main} thrown in /in/PvAHe on line 11
Process exited with code 255.
Output for 5.6.0 - 5.6.25: Fatal error: Uncaught exception 'ReflectionException' with message 'Cannot determine default value for internal functions' in /in/PvAHe:11 Stack trace: #0 /in/PvAHe(11): ReflectionParameter->isDefaultValueConstant() #1 {main} thrown in /in/PvAHe on line 11
Process exited with code 255.

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