+ * Description: Returns the variable representation when the return parameter is used and evaluates to TRUE. Otherwise, this function will return NULL.
+
+*/
+
+echo "*** Testing var_export() with integer values ***\n";
+// different integer vlaues
+$valid_ints = array(
+ '0',
+ '1',
+ '-1',
+ '-2147483648', // max negative integer value
+ '-2147483647',
+ 2147483647, // max positive integer value
+ 2147483640,
+ 0x123B, // integer as hexadecimal
+ '0x12ab',
+ '0Xfff',
+ '0XFA',
+ -0x7fffffff - 1, // max negative integer as hexadecimal
+ '0x7fffffff', // max positive integer as hexadecimal
+ 0x7FFFFFFF, // max positive integer as hexadecimal
+ '0123', // integer as octal
+ 01, // should be quivalent to octal 1
+ -017777777777 - 1, // max negative integer as octal
+ 017777777777, // max positive integer as octal
+ );
+$counter = 1;
+/* Loop to check for above integer values with var_export() */
+echo "\n*** Output for integer values ***\n";
+foreach($valid_ints as $int_value) {
+echo "\nIteration ".$counter."\n";
+var_export( $int_value );
+echo "\n";
+var_export( $int_value, FALSE);
+echo "\n";
+var_dump( var_export( $int_value, TRUE) );
+echo "\n";
+$counter++;
+}
+
+echo "*** Testing var_export() with valid boolean values ***\n";
+// different valid boolean vlaues
+$valid_bool = array(
+ 1,
+ TRUE,
+ true,
+ 0,
+ FALSE,
+ false
+ );
+$counter = 1;
+/* Loop to check for above boolean values with var_export() */
+echo "\n*** Output for boolean values ***\n";
+foreach($valid_bool as $bool_value) {
+echo "\nIteration ".$counter."\n";
+var_export( $bool_value );
+echo "\n";
+var_export( $bool_value, FALSE);
+echo "\n";
+var_dump( var_export( $bool_value, TRUE) );
+echo "\n";
+$counter++;
+}
+
+echo "*** Testing var_export() with valid float values ***\n";
+// different valid float vlaues
+$valid_floats = array(
+ (float)-2147483649, // float value
+ (float)2147483648, // float value
+ (float)-0x80000001, // float value, beyond max negative int
+ (float)0x800000001, // float value, beyond max positive int
+ (float)020000000001, // float value, beyond max positive int
+ (float)-020000000001, // float value, beyond max negative int
+ 0.0,
+ -0.1,
+ 10.0000000000000000005,
+ 10.5e+5,
+ 1e5,
+ 1e-5,
+ 1e+5,
+ 1E5,
+ 1E+5,
+ 1E-5,
+ .5e+7,
+ .6e-19,
+ .05E+44,
+ .0034E-30
+);
+$counter = 1;
+/* Loop to check for above float values with var_export() */
+echo "\n*** Output for float values ***\n";
+foreach($valid_floats as $float_value) {
+echo "\nIteration ".$counter."\n";
+var_export( $float_value );
+echo "\n";
+var_export( $float_value, FALSE);
+echo "\n";
+var_dump( var_export( $float_value, TRUE) );
+echo "\n";
+$counter++;
+}
+
+echo "*** Testing var_export() with valid strings ***\n";
+// different valid string
+$valid_strings = array(
+ "",
+ " ",
+ '',
+ ' ',
+ "string",
+ 'string',
+ "NULL",
+ 'null',
+ "FALSE",
+ 'false',
+ "\x0b",
+ "\0",
+ '\0',
+ '\060',
+ "\070"
+ );
+$counter = 1;
+/* Loop to check for above strings with var_export() */
+echo "\n*** Output for strings ***\n";
+foreach($valid_strings as $str) {
+echo "\nIteration ".$counter."\n";
+var_export( $str );
+echo "\n";
+var_export( $str, FALSE);
+echo "\n";
+var_dump( var_export( $str, TRUE) );
+echo "\n";
+$counter++;
+}
+
+echo "*** Testing var_export() with valid arrays ***\n";
+// different valid arrays
+$valid_arrays = array(
+ array(),
+ array(NULL),
+ array(null),
+ array(true),
+ array(""),
+ array(''),
+ array(array(), array()),
+ array(array(1, 2), array('a', 'b')),
+ array(1 => 'One'),
+ array("test" => "is_array"),
+ array(0),
+ array(-1),
+ array(10.5, 5.6),
+ array("string", "test"),
+ array('string', 'test')
+ );
+$counter = 1;
+/* Loop to check for above arrays with var_export() */
+echo "\n*** Output for arrays ***\n";
+foreach($valid_arrays as $arr) {
+echo "\nIteration ".$counter."\n";
+var_export( $arr );
+echo "\n";
+var_export( $arr, FALSE);
+echo "\n";
+var_dump( var_export( $arr, TRUE) );
+echo "\n";
+$counter++;
+}
+
+echo "*** Testing var_export() with valid objects ***\n";
+
+// class with no members
+class foo
+{
+// no members
+}
+
+// abstract class
+abstract class abstractClass
+{
+ abstract protected function getClassName();
+ public function printClassName () {
+ echo $this->getClassName() . "\n";
+ }
+}
+// implement abstract class
+class concreteClass extends abstractClass
+{
+ protected function getClassName() {
+ return "concreteClass";
+ }
+}
+
+// interface class
+interface iValue
+{
+ public function setVal ($name, $val);
+ public function dumpVal ();
+}
+// implement the interface
+class Value implements iValue
+{
+ private $vars = array ();
+
+ public function setVal ( $name, $val ) {
+ $this->vars[$name] = $val;
+ }
+
+ public function dumpVal () {
+ var_export ( $vars );
+ }
+}
+
+// a gereral class
+class myClass
+{
+ var $foo_object;
+ public $public_var;
+ public $public_var1;
+ private $private_var;
+ protected $protected_var;
+
+ function __construct ( ) {
+ $this->foo_object = new foo();
+ $this->public_var = 10;
+ $this->public_var1 = new foo();
+ $this->private_var = new foo();
+ $this->proected_var = new foo();
+ }
+}
+
+// create a object of each class defined above
+$myClass_object = new myClass();
+$foo_object = new foo();
+$Value_object = new Value();
+$concreteClass_object = new concreteClass();
+
+$valid_objects = array(
+ new stdclass,
+ new foo,
+ new concreteClass,
+ new Value,
+ new myClass,
+ $myClass_object,
+ $myClass_object->foo_object,
+ $myClass_object->public_var1,
+ $foo_object,
+ $Value_object,
+ $concreteClass_object
+ );
+ $counter = 1;
+/* Loop to check for above objects with var_export() */
+echo "\n*** Output for objects ***\n";
+foreach($valid_objects as $obj) {
+echo "\nIteration ".$counter."\n";
+var_export( $obj );
+echo "\n";
+var_export( $obj, FALSE);
+echo "\n";
+var_dump( var_export( $obj, TRUE) );
+echo "\n";
+$counter++;
+}
+
+echo "*** Testing var_export() with valid null values ***\n";
+// different valid null vlaues
+$unset_var = array();
+unset ($unset_var); // now a null
+$null_var = NULL;
+
+$valid_nulls = array(
+ NULL,
+ null,
+ $null_var,
+ );
+ $counter = 1;
+/* Loop to check for above null values with var_export() */
+echo "\n*** Output for null values ***\n";
+foreach($valid_nulls as $null_value) {
+echo "\nIteration ".$counter."\n";
+var_export( $null_value );
+echo "\n";
+var_export( $null_value, FALSE);
+echo "\n";
+var_dump( var_export( $null_value, true) );
+echo "\n";
+$counter++;
+}
+
+echo "\n*** Testing error conditions ***\n";
+//Zero argument
+var_export( var_export() );
+
+//arguments more than expected
+var_export( var_export(TRUE, FALSE, TRUE) );
+
+echo "\n\nDone";
+
+
+?>
+--EXPECTF--
+*** Testing var_export() with integer values ***
+
+*** Output for integer values ***
+
+Iteration 1
+'0'
+'0'
+string(3) "'0'"
+
+
+Iteration 2
+'1'
+'1'
+string(3) "'1'"
+
+
+Iteration 3
+'-1'
+'-1'
+string(4) "'-1'"
+
+
+Iteration 4
+'-2147483648'
+'-2147483648'
+string(13) "'-2147483648'"
+
+
+Iteration 5
+'-2147483647'
+'-2147483647'
+string(13) "'-2147483647'"
+
+
+Iteration 6
+2147483647
+2147483647
+string(10) "2147483647"
+
+
+Iteration 7
+2147483640
+2147483640
+string(10) "2147483640"
+
+
+Iteration 8
+4667
+4667
+string(4) "4667"
+
+
+Iteration 9
+'0x12ab'
+'0x12ab'
+string(8) "'0x12ab'"
+
+
+Iteration 10
+'0Xfff'
+'0Xfff'
+string(7) "'0Xfff'"
+
+
+Iteration 11
+'0XFA'
+'0XFA'
+string(6) "'0XFA'"
+
+
+Iteration 12
+-2147483647-1
+-2147483647-1
+string(13) "-2147483647-1"
+
+
+Iteration 13
+'0x7fffffff'
+'0x7fffffff'
+string(12) "'0x7fffffff'"
+
+
+Iteration 14
+2147483647
+2147483647
+string(10) "2147483647"
+
+
+Iteration 15
+'0123'
+'0123'
+string(6) "'0123'"
+
+
+Iteration 16
+1
+1
+string(1) "1"
+
+
+Iteration 17
+-2147483647-1
+-2147483647-1
+string(13) "-2147483647-1"
+
+
+Iteration 18
+2147483647
+2147483647
+string(10) "2147483647"
+
+*** Testing var_export() with valid boolean values ***
+
+*** Output for boolean values ***
+
+Iteration 1
+1
+1
+string(1) "1"
+
+
+Iteration 2
+true
+true
+string(4) "true"
+
+
+Iteration 3
+true
+true
+string(4) "true"
+
+
+Iteration 4
+0
+0
+string(1) "0"
+
+
+Iteration 5
+false
+false
+string(5) "false"
+
+
+Iteration 6
+false
+false
+string(5) "false"
+
+*** Testing var_export() with valid float values ***
+
+*** Output for float values ***
+
+Iteration 1
+-2147483649.0
+-2147483649.0
+string(13) "-2147483649.0"
+
+
+Iteration 2
+2147483648.0
+2147483648.0
+string(12) "2147483648.0"
+
+
+Iteration 3
+-2147483649.0
+-2147483649.0
+string(13) "-2147483649.0"
+
+
+Iteration 4
+34359738369.0
+34359738369.0
+string(13) "34359738369.0"
+
+
+Iteration 5
+2147483649.0
+2147483649.0
+string(12) "2147483649.0"
+
+
+Iteration 6
+-2147483649.0
+-2147483649.0
+string(13) "-2147483649.0"
+
+
+Iteration 7
+0.0
+0.0
+string(3) "0.0"
+
+
+Iteration 8
+-0.10000000000000001
+-0.10000000000000001
+string(20) "-0.10000000000000001"
+
+
+Iteration 9
+10.0
+10.0
+string(4) "10.0"
+
+
+Iteration 10
+1050000.0
+1050000.0
+string(9) "1050000.0"
+
+
+Iteration 11
+100000.0
+100000.0
+string(8) "100000.0"
+
+
+Iteration 12
+1.0000000000000001E-5
+1.0000000000000001E-5
+string(21) "1.0000000000000001E-5"
+
+
+Iteration 13
+100000.0
+100000.0
+string(8) "100000.0"
+
+
+Iteration 14
+100000.0
+100000.0
+string(8) "100000.0"
+
+
+Iteration 15
+100000.0
+100000.0
+string(8) "100000.0"
+
+
+Iteration 16
+1.0000000000000001E-5
+1.0000000000000001E-5
+string(21) "1.0000000000000001E-5"
+
+
+Iteration 17
+5000000.0
+5000000.0
+string(9) "5000000.0"
+
+
+Iteration 18
+6.0000000000000006E-20
+6.0000000000000006E-20
+string(22) "6.0000000000000006E-20"
+
+
+Iteration 19
+5.0000000000000001E+42
+5.0000000000000001E+42
+string(22) "5.0000000000000001E+42"
+
+
+Iteration 20
+3.4000000000000001E-33
+3.4000000000000001E-33
+string(22) "3.4000000000000001E-33"
+
+*** Testing var_export() with valid strings ***
+
+*** Output for strings ***
+
+Iteration 1
+''
+''
+string(2) "''"
+
+
+Iteration 2
+' '
+' '
+string(3) "' '"
+
+
+Iteration 3
+''
+''
+string(2) "''"
+
+
+Iteration 4
+' '
+' '
+string(3) "' '"
+
+
+Iteration 5
+'string'
+'string'
+string(8) "'string'"
+
+
+Iteration 6
+'string'
+'string'
+string(8) "'string'"
+
+
+Iteration 7
+'NULL'
+'NULL'
+string(6) "'NULL'"
+
+
+Iteration 8
+'null'
+'null'
+string(6) "'null'"
+
+
+Iteration 9
+'FALSE'
+'FALSE'
+string(7) "'FALSE'"
+
+
+Iteration 10
+'false'
+'false'
+string(7) "'false'"
+
+
+Iteration 11
+''
+''
+string(3) "''"
+
+
+Iteration 12
+'' . "\0" . ''
+'' . "\0" . ''
+string(14) "'' . "\0" . ''"
+
+
+Iteration 13
+'\\0'
+'\\0'
+string(5) "'\\0'"
+
+
+Iteration 14
+'\\060'
+'\\060'
+string(7) "'\\060'"
+
+
+Iteration 15
+'8'
+'8'
+string(3) "'8'"
+
+*** Testing var_export() with valid arrays ***
+
+*** Output for arrays ***
+
+Iteration 1
+array (
+)
+array (
+)
+string(9) "array (
+)"
+
+
+Iteration 2
+array (
+ 0 => NULL,
+)
+array (
+ 0 => NULL,
+)
+string(22) "array (
+ 0 => NULL,
+)"
+
+
+Iteration 3
+array (
+ 0 => NULL,
+)
+array (
+ 0 => NULL,
+)
+string(22) "array (
+ 0 => NULL,
+)"
+
+
+Iteration 4
+array (
+ 0 => true,
+)
+array (
+ 0 => true,
+)
+string(22) "array (
+ 0 => true,
+)"
+
+
+Iteration 5
+array (
+ 0 => '',
+)
+array (
+ 0 => '',
+)
+string(20) "array (
+ 0 => '',
+)"
+
+
+Iteration 6
+array (
+ 0 => '',
+)
+array (
+ 0 => '',
+)
+string(20) "array (
+ 0 => '',
+)"
+
+
+Iteration 7
+array (
+ 0 =>
+ array (
+ ),
+ 1 =>
+ array (
+ ),
+)
+array (
+ 0 =>
+ array (
+ ),
+ 1 =>
+ array (
+ ),
+)
+string(55) "array (
+ 0 =>
+ array (
+ ),
+ 1 =>
+ array (
+ ),
+)"
+
+
+Iteration 8
+array (
+ 0 =>
+ array (
+ 0 => 1,
+ 1 => 2,
+ ),
+ 1 =>
+ array (
+ 0 => 'a',
+ 1 => 'b',
+ ),
+)
+array (
+ 0 =>
+ array (
+ 0 => 1,
+ 1 => 2,
+ ),
+ 1 =>
+ array (
+ 0 => 'a',
+ 1 => 'b',
+ ),
+)
+string(107) "array (
+ 0 =>
+ array (
+ 0 => 1,
+ 1 => 2,
+ ),
+ 1 =>
+ array (
+ 0 => 'a',
+ 1 => 'b',
+ ),
+)"
+
+
+Iteration 9
+array (
+ 1 => 'One',
+)
+array (
+ 1 => 'One',
+)
+string(23) "array (
+ 1 => 'One',
+)"
+
+
+Iteration 10
+array (
+ 'test' => 'is_array',
+)
+array (
+ 'test' => 'is_array',
+)
+string(33) "array (
+ 'test' => 'is_array',
+)"
+
+
+Iteration 11
+array (
+ 0 => 0,
+)
+array (
+ 0 => 0,
+)
+string(19) "array (
+ 0 => 0,
+)"
+
+
+Iteration 12
+array (
+ 0 => -1,
+)
+array (
+ 0 => -1,
+)
+string(20) "array (
+ 0 => -1,
+)"
+
+
+Iteration 13
+array (
+ 0 => 10.5,
+ 1 => 5.5999999999999996,
+)
+array (
+ 0 => 10.5,
+ 1 => 5.5999999999999996,
+)
+string(49) "array (
+ 0 => 10.5,
+ 1 => 5.5999999999999996,
+)"
+
+
+Iteration 14
+array (
+ 0 => 'string',
+ 1 => 'test',
+)
+array (
+ 0 => 'string',
+ 1 => 'test',
+)
+string(41) "array (
+ 0 => 'string',
+ 1 => 'test',
+)"
+
+
+Iteration 15
+array (
+ 0 => 'string',
+ 1 => 'test',
+)
+array (
+ 0 => 'string',
+ 1 => 'test',
+)
+string(41) "array (
+ 0 => 'string',
+ 1 => 'test',
+)"
+
+*** Testing var_export() with valid objects ***
+
+*** Output for objects ***
+
+Iteration 1
+stdClass::__set_state(array(
+))
+stdClass::__set_state(array(
+))
+string(31) "stdClass::__set_state(array(
+))"
+
+
+Iteration 2
+foo::__set_state(array(
+))
+foo::__set_state(array(
+))
+string(26) "foo::__set_state(array(
+))"
+
+
+Iteration 3
+concreteClass::__set_state(array(
+))
+concreteClass::__set_state(array(
+))
+string(36) "concreteClass::__set_state(array(
+))"
+
+
+Iteration 4
+Value::__set_state(array(
+ 'vars' =>
+ array (
+ ),
+))
+Value::__set_state(array(
+ 'vars' =>
+ array (
+ ),
+))
+string(57) "Value::__set_state(array(
+ 'vars' =>
+ array (
+ ),
+))"
+
+
+Iteration 5
+myClass::__set_state(array(
+ 'foo_object' =>
+ foo::__set_state(array(
+ )),
+ 'public_var' => 10,
+ 'public_var1' =>
+ foo::__set_state(array(
+ )),
+ 'private_var' =>
+ foo::__set_state(array(
+ )),
+ 'protected_var' => NULL,
+ 'proected_var' =>
+ foo::__set_state(array(
+ )),
+))
+myClass::__set_state(array(
+ 'foo_object' =>
+ foo::__set_state(array(
+ )),
+ 'public_var' => 10,
+ 'public_var1' =>
+ foo::__set_state(array(
+ )),
+ 'private_var' =>
+ foo::__set_state(array(
+ )),
+ 'protected_var' => NULL,
+ 'proected_var' =>
+ foo::__set_state(array(
+ )),
+))
+string(293) "myClass::__set_state(array(
+ 'foo_object' =>
+ foo::__set_state(array(
+ )),
+ 'public_var' => 10,
+ 'public_var1' =>
+ foo::__set_state(array(
+ )),
+ 'private_var' =>
+ foo::__set_state(array(
+ )),
+ 'protected_var' => NULL,
+ 'proected_var' =>
+ foo::__set_state(array(
+ )),
+))"
+
+
+Iteration 6
+myClass::__set_state(array(
+ 'foo_object' =>
+ foo::__set_state(array(
+ )),
+ 'public_var' => 10,
+ 'public_var1' =>
+ foo::__set_state(array(
+ )),
+ 'private_var' =>
+ foo::__set_state(array(
+ )),
+ 'protected_var' => NULL,
+ 'proected_var' =>
+ foo::__set_state(array(
+ )),
+))
+myClass::__set_state(array(
+ 'foo_object' =>
+ foo::__set_state(array(
+ )),
+ 'public_var' => 10,
+ 'public_var1' =>
+ foo::__set_state(array(
+ )),
+ 'private_var' =>
+ foo::__set_state(array(
+ )),
+ 'protected_var' => NULL,
+ 'proected_var' =>
+ foo::__set_state(array(
+ )),
+))
+string(293) "myClass::__set_state(array(
+ 'foo_object' =>
+ foo::__set_state(array(
+ )),
+ 'public_var' => 10,
+ 'public_var1' =>
+ foo::__set_state(array(
+ )),
+ 'private_var' =>
+ foo::__set_state(array(
+ )),
+ 'protected_var' => NULL,
+ 'proected_var' =>
+ foo::__set_state(array(
+ )),
+))"
+
+
+Iteration 7
+foo::__set_state(array(
+))
+foo::__set_state(array(
+))
+string(26) "foo::__set_state(array(
+))"
+
+
+Iteration 8
+foo::__set_state(array(
+))
+foo::__set_state(array(
+))
+string(26) "foo::__set_state(array(
+))"
+
+
+Iteration 9
+foo::__set_state(array(
+))
+foo::__set_state(array(
+))
+string(26) "foo::__set_state(array(
+))"
+
+
+Iteration 10
+Value::__set_state(array(
+ 'vars' =>
+ array (
+ ),
+))
+Value::__set_state(array(
+ 'vars' =>
+ array (
+ ),
+))
+string(57) "Value::__set_state(array(
+ 'vars' =>
+ array (
+ ),
+))"
+
+
+Iteration 11
+concreteClass::__set_state(array(
+))
+concreteClass::__set_state(array(
+))
+string(36) "concreteClass::__set_state(array(
+))"
+
+*** Testing var_export() with valid null values ***
+
+*** Output for null values ***
+
+Iteration 1
+NULL
+NULL
+string(4) "NULL"
+
+
+Iteration 2
+NULL
+NULL
+string(4) "NULL"
+
+
+Iteration 3
+NULL
+NULL
+string(4) "NULL"
+
+
+*** Testing error conditions ***
+
+Warning: var_export() expects at least 1 parameter, 0 given in %s on line %d
+NULL
+Warning: var_export() expects at most 2 parameters, 3 given in %s on line %d
