Split print_r tests

So that these aren't huge mega tests

Author: Girgias

ext/standard/tests/general_functions/print_r.phpt

@@ -0,0 +1,22 @@
+--TEST--
+Test print_r() function with circular array
+--FILE--
+<?php
+
+$a1 = [];
+$a2 = [&$a1];
+$a1[] =& $a2;
+
+print_r($a2);
+
+?>
+--EXPECT--
+Array
+(
+    [0] => Array
+        (
+            [0] => Array
+ *RECURSION*
+        )
+
+)

ext/standard/tests/general_functions/print_r_64bit.phpt

@@ -0,0 +1,166 @@
+--TEST--
+Test print_r() function with arrays
+--INI--
+precision=14
+--FILE--
+<?php
+
+$values = [
+  [],
+  [true],
+  [[], []],
+  [[1, 2], ['a', 'b']],
+  [1 => 'One'],
+  ["test" => "is_array"],
+  [0],
+  [-1],
+  [10.5, 5.6],
+  ['string', 'test'],
+];
+
+foreach ($values as $value) {
+    print_r($value, false);
+    // $ret_string captures the output
+    $ret_string = print_r($value, true);
+    echo "\n$ret_string\n";
+}
+
+?>
+--EXPECT--
+Array
+(
+)
+
+Array
+(
+)
+
+Array
+(
+    [0] => 1
+)
+
+Array
+(
+    [0] => 1
+)
+
+Array
+(
+    [0] => Array
+        (
+        )
+
+    [1] => Array
+        (
+        )
+
+)
+
+Array
+(
+    [0] => Array
+        (
+        )
+
+    [1] => Array
+        (
+        )
+
+)
+
+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
+        )
+
+)
+
+Array
+(
+    [1] => One
+)
+
+Array
+(
+    [1] => One
+)
+
+Array
+(
+    [test] => is_array
+)
+
+Array
+(
+    [test] => is_array
+)
+
+Array
+(
+    [0] => 0
+)
+
+Array
+(
+    [0] => 0
+)
+
+Array
+(
+    [0] => -1
+)
+
+Array
+(
+    [0] => -1
+)
+
+Array
+(
+    [0] => 10.5
+    [1] => 5.6
+)
+
+Array
+(
+    [0] => 10.5
+    [1] => 5.6
+)
+
+Array
+(
+    [0] => string
+    [1] => test
+)
+
+Array
+(
+    [0] => string
+    [1] => test
+)

ext/standard/tests/general_functions/print_r_array_circular.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test print_r() function with arrays, output has trailing whitespaces
+--WHITESPACE_SENSITIVE--
+--FILE--
+<?php
+
+$values = [
+  ['null' => null],
+  ['false' => false],
+  ['empty' => ''],
+];
+
+foreach ($values as $value) {
+    print_r($value, false);
+    // $ret_string captures the output
+    $ret_string = print_r($value, true);
+    echo "\n$ret_string\n";
+}
+
+?>
+--EXPECT--
+Array
+(
+    [null] => 
+)
+
+Array
+(
+    [null] => 
+)
+
+Array
+(
+    [false] => 
+)
+
+Array
+(
+    [false] => 
+)
+
+Array
+(
+    [empty] => 
+)
+
+Array
+(
+    [empty] => 
+)

ext/standard/tests/general_functions/print_r_arrays.phpt

@@ -0,0 +1,28 @@
+--TEST--
+Test print_r() function with booleans
+--FILE--
+<?php
+
+$values = [
+  'true' => true,
+  'false' => false,
+];
+
+foreach ($values as $key => $value) {
+    echo "$key:\n";
+    print_r($value, false);
+    // $ret_string captures the output
+    $ret_string = print_r($value, true);
+    echo "\n$ret_string\n";
+}
+
+?>
+DONE
+--EXPECT--
+true:
+1
+1
+false:
+
+
+DONE