Online PHP editor | output for WJiN0

@ 2023-02-28T02:10:53Z

<?php
/*
 * Polyfills.
 */

function stripslashes_from_strings_only( $value ) {
	return is_string( $value ) ? stripslashes( $value ) : $value;
}

function is_serialized( $data, $strict = true ) {
	// If it isn't a string, it isn't serialized.
	if ( ! is_string( $data ) ) {
		return false;
	}
	$data = trim( $data );
	if ( 'N;' === $data ) {
		return true;
	}
	if ( strlen( $data ) < 4 ) {
		return false;
	}
	if ( ':' !== $data[1] ) {
		return false;
	}
	if ( $strict ) {
		$lastc = substr( $data, -1 );
		if ( ';' !== $lastc && '}' !== $lastc ) {
			return false;
		}
	} else {
		$semicolon = strpos( $data, ';' );
		$brace     = strpos( $data, '}' );
		// Either ; or } must exist.
		if ( false === $semicolon && false === $brace ) {
			return false;
		}
		// But neither must be in the first X characters.
		if ( false !== $semicolon && $semicolon < 3 ) {
			return false;
		}
		if ( false !== $brace && $brace < 4 ) {
			return false;
		}
	}
	$token = $data[0];
	switch ( $token ) {
		case 's':
			if ( $strict ) {
				if ( '"' !== substr( $data, -2, 1 ) ) {
					return false;
				}
			} elseif ( false === strpos( $data, '"' ) ) {
				return false;
			}
			// Or else fall through.
		case 'a':
		case 'O':
		case 'E':
			return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
		case 'b':
		case 'i':
		case 'd':
			$end = $strict ? '$' : '';
			return (bool) preg_match( "/^{$token}:[0-9.E+-]+;$end/", $data );
	}
	return false;
}


function map_deep( $value, $callback ) {
	if ( is_array( $value ) ) {
		foreach ( $value as $index => $item ) {
			$value[ $index ] = map_deep( $item, $callback );
		}
	} elseif ( is_object( $value ) ) {
		$object_vars = get_object_vars( $value );
		foreach ( $object_vars as $property_name => $property_value ) {
			$value->$property_name = map_deep( $property_value, $callback );
		}
	} else {
		$value = call_user_func( $callback, $value );
	}

	return $value;
}

function maybe_unserialize( $data ) {
	if ( is_serialized( $data ) ) { // Don't attempt to unserialize data that wasn't serialized going in.
		return @unserialize( trim( $data ) );
	}

	return $data;
}

/*
 * Test.
 */
$test_data    = 'a:2:{i:0;O:14:"SuperCustomXyz":1:{s:17:" SuperCustomXyz x";s:4:"test";}s:8:"testdata";a:2:{s:1:"a";i:1;s:1:"b";i:2;}}';
$unserialized = maybe_unserialize($test_data);
$res          = map_deep($unserialized, 'stripslashes_from_strings_only');
print_r($res);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Fatal error: Uncaught Error: The script tried to modify a property on an incomplete object. Please ensure that the class definition "SuperCustomXyz" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide an autoloader to load the class definition in /in/WJiN0:78 Stack trace: #0 /in/WJiN0(73): map_deep(Object(__PHP_Incomplete_Class), 'stripslashes_fr...') #1 /in/WJiN0(100): map_deep(Array, 'stripslashes_fr...') #2 {main} thrown in /in/WJiN0 on line 78
Process exited with code 255.
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Notice: map_deep(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "SuperCustomXyz" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide an autoloader to load the class definition in /in/WJiN0 on line 78 Notice: map_deep(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "SuperCustomXyz" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide an autoloader to load the class definition in /in/WJiN0 on line 78 Array ( [0] => __PHP_Incomplete_Class Object ( [__PHP_Incomplete_Class_Name] => SuperCustomXyz [ SuperCustomXyz x] => test ) [testdata] => Array ( [a] => 1 [b] => 2 ) )
Output for 5.0.0 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33: Array ( [0] => __PHP_Incomplete_Class Object ( [__PHP_Incomplete_Class_Name] => SuperCustomXyz [ SuperCustomXyz x] => test ) [testdata] => Array ( [a] => 1 [b] => 2 ) )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9: Array ( [0] => __PHP_Incomplete_Class Object ( [__PHP_Incomplete_Class_Name] => supercustomxyz [ SuperCustomXyz x] => test ) [testdata] => Array ( [a] => 1 [b] => 2 ) )

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