diff --git a/ext/standard/tests/strings/fprintf_error.phpt b/ext/standard/tests/strings/fprintf_error.phpt
new file mode 100644
index 00000000000..cd6468bba60
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_error.phpt
@@ -0,0 +1,31 @@
+--TEST--
+Test fprintf() function (errors)
+--FILE--
+<?php
+
+/* Testing Error Conditions */
+echo "*** Testing Error Conditions ***\n";
+
+/* zero argument */
+var_dump( fprintf() );
+
+/* scalar argument */
+var_dump( fprintf(3) );
+
+/* NULL argument */
+var_dump( fprintf(NULL) );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing Error Conditions ***
+
+Warning: Wrong parameter count for fprintf() in %s on line %d
+NULL
+
+Warning: Wrong parameter count for fprintf() in %s on line %d
+NULL
+
+Warning: Wrong parameter count for fprintf() in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_001.phpt b/ext/standard/tests/strings/fprintf_variation_001.phpt
new file mode 100644
index 00000000000..d4f12aa55d2
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_001.phpt
@@ -0,0 +1,124 @@
+--TEST--
+Test fprintf() function (variation - 1)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$float_variation = array( "%f","%-f", "%+f", "%7.2f", "%-7.2f", "%07.2f", "%-07.2f", "%'#7.2f" );
+$float_numbers = array( 0, 1, -1, 0.32, -0.32, 3.4. -3.4, 2.54, -2.54 );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$counter = 1;
+/* float type variations */
+fprintf($fp, "\n*** Testing fprintf() with floats ***\n");
+
+foreach( $float_variation as $float_var ) {
+  fprintf( $fp, "\n-- Iteration %d --\n",$counter);
+  foreach( $float_numbers as $float_num ) {
+    fprintf( $fp, "\n");
+    fprintf( $fp, $float_var, $float_num );
+  }
+  $counter++;
+}
+
+fclose($fp);
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() with floats ***
+
+-- Iteration 1 --
+
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+-- Iteration 2 --
+
+0.000000
+1.000000
+-1.000000
+0.320000
+-0.320000
+3.400000
+2.540000
+-2.540000
+-- Iteration 3 --
+
++0.000000
++1.000000
+-1.000000
++0.320000
+-0.320000
++3.400000
++2.540000
+-2.540000
+-- Iteration 4 --
+
+   0.00
+   1.00
+  -1.00
+   0.32
+  -0.32
+   3.40
+   2.54
+  -2.54
+-- Iteration 5 --
+
+0.00   
+1.00   
+-1.00  
+0.32   
+-0.32  
+3.40   
+2.54   
+-2.54  
+-- Iteration 6 --
+
+0000.00
+0001.00
+-001.00
+0000.32
+-000.32
+0003.40
+0002.54
+-002.54
+-- Iteration 7 --
+
+0.00000
+1.00000
+-1.0000
+0.32000
+-0.3200
+3.40000
+2.54000
+-2.5400
+-- Iteration 8 --
+
+###0.00
+###1.00
+##-1.00
+###0.32
+##-0.32
+###3.40
+###2.54
+##-2.54
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_002.phpt b/ext/standard/tests/strings/fprintf_variation_002.phpt
new file mode 100644
index 00000000000..f5f0c49cc5f
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_002.phpt
@@ -0,0 +1,124 @@
+--TEST--
+Test fprintf() function (variation - 2)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$int_variation = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$counter = 1;
+/* integer type variations */
+fprintf($fp, "\n*** Testing fprintf() with integers ***\n");
+foreach( $int_variation as $int_var ) {
+  fprintf( $fp, "\n-- Iteration %d --\n",$counter);
+  foreach( $int_numbers as $int_num ) {
+    fprintf( $fp, "\n");
+    fprintf( $fp, $int_var, $int_num );
+  }
+  $counter++;
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() with integers ***
+
+-- Iteration 1 --
+
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+-- Iteration 2 --
+
+0
+1
+-1
+2
+-2
+23333333
+-23333333
+1234
+-- Iteration 3 --
+
++0
++1
+-1
++2
+-2
++23333333
+-23333333
++1234
+-- Iteration 4 --
+
+      0
+      1
+     -1
+      2
+     -2
+23333333
+-23333333
+   1234
+-- Iteration 5 --
+
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+-- Iteration 6 --
+
+0000000
+0000001
+-000001
+0000002
+-000002
+23333333
+-23333333
+0001234
+-- Iteration 7 --
+
+0      
+1      
+-1     
+2      
+-2     
+23333333
+-23333333
+1234   
+-- Iteration 8 --
+
+######0
+######1
+#####-1
+######2
+#####-2
+23333333
+-23333333
+###1234
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_003.phpt b/ext/standard/tests/strings/fprintf_variation_003.phpt
new file mode 100644
index 00000000000..b6aa565ac1d
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_003.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test fprintf() function (variation - 3)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* binary type variations */
+fprintf($fp, "\n*** Testing fprintf() with binary ***\n");
+foreach( $int_numbers as $bin_num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%b", $bin_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() with binary ***
+
+0
+1
+11111111111111111111111111111111
+10
+11111111111111111111111111111110
+1011001000000100111010101
+11111110100110111111011000101011
+10011010010
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_004.phpt b/ext/standard/tests/strings/fprintf_variation_004.phpt
new file mode 100644
index 00000000000..76e650dd3a9
Binary files /dev/null and b/ext/standard/tests/strings/fprintf_variation_004.phpt differ
diff --git a/ext/standard/tests/strings/fprintf_variation_005.phpt b/ext/standard/tests/strings/fprintf_variation_005.phpt
new file mode 100644
index 00000000000..d6650baca47
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_005.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test fprintf() function (variation - 5)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* %e type variations */
+fprintf($fp, "\n*** Testing fprintf() for scientific type ***\n");
+foreach( $int_numbers as $num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%e", $num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() for scientific type ***
+
+0.000000e+0
+1.000000e+0
+-1.000000e+0
+2.700000e+0
+-2.700000e+0
+2.333333e+7
+-2.333333e+7
+1.234000e+3
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_006.phpt b/ext/standard/tests/strings/fprintf_variation_006.phpt
new file mode 100644
index 00000000000..be4e7cbd215
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_006.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test fprintf() function (variation - 6)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* unsigned int type variation */
+fprintf($fp, "\n*** Testing fprintf() for unsigned integers ***\n");
+foreach( $int_numbers as $unsig_num ) {
+  fprintf( $fp, "\n");
+  fprintf( $fp, "%u", $unsig_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() for unsigned integers ***
+
+0
+1
+4294967295
+2
+4294967294
+23333333
+4271633963
+1234
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_007.phpt b/ext/standard/tests/strings/fprintf_variation_007.phpt
new file mode 100644
index 00000000000..21edd5734bb
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_007.phpt
@@ -0,0 +1,46 @@
+--TEST--
+Test fprintf() function (variation - 7 )
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* octal type variations */
+fprintf($fp, "\n*** Testing fprintf() for octals ***\n");
+foreach( $int_numbers as $octal_num ) {
+ fprintf( $fp, "\n");
+ fprintf( $fp, "%o", $octal_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() for octals ***
+
+0
+1
+37777777777
+2
+37777777776
+131004725
+37646773053
+2322
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_008.phpt b/ext/standard/tests/strings/fprintf_variation_008.phpt
new file mode 100644
index 00000000000..de52e83d420
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_008.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test fprintf() function (variation - 8)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$int_variation = array( "%d", "%-d", "%+d", "%7.2d", "%-7.2d", "%07.2d", "%-07.2d", "%'#7.2d" );
+$int_numbers = array( 0, 1, -1, 2.7, -2.7, 23333333, -23333333, "1234" );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+/* hexadecimal type variations */
+fprintf($fp, "\n*** Testing fprintf() for hexadecimals ***\n");
+foreach( $int_numbers as $hexa_num ) {
+ fprintf( $fp, "\n");
+ fprintf( $fp, "%x", $hexa_num );
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() for hexadecimals ***
+
+0
+1
+ffffffff
+2
+fffffffe
+16409d5
+fe9bf62b
+4d2
+Done
diff --git a/ext/standard/tests/strings/fprintf_variation_009.phpt b/ext/standard/tests/strings/fprintf_variation_009.phpt
new file mode 100644
index 00000000000..5a108ad2d36
--- /dev/null
+++ b/ext/standard/tests/strings/fprintf_variation_009.phpt
@@ -0,0 +1,64 @@
+--TEST--
+Test fprintf() function (variation - 9)
+--SKIPIF--
+<?php
+$data_file = dirname(__FILE__) . '/dump.txt';
+if !($fp = fopen($data_file, 'w')) {
+  die('skip File dump.txt could not be created');
+}
+?>
+--FILE--
+<?php
+
+$string_variation = array( "%5s", "%-5s", "%05s", "%'#5s" );
+$strings = array( NULL, "abc", 'aaa' );
+
+/* creating dumping file */
+$data_file = dirname(__FILE__) . '/dump.txt';
+if (!($fp = fopen($data_file, 'wt')))
+   return;
+
+$counter = 1;
+/* string type variations */
+fprintf($fp, "\n*** Testing fprintf() for string types ***\n");
+foreach( $string_variation as $string_var ) {
+  fprintf( $fp, "\n-- Iteration %d --\n",$counter);
+  foreach( $strings as $str ) {
+    fprintf( $fp, "\n");
+    fprintf( $fp, $string_var, $str );
+  }
+  $counter++;
+}
+
+fclose($fp);
+
+print_r(file_get_contents($data_file));
+echo "\nDone";
+
+unlink($data_file);
+
+?>
+--EXPECTF--
+*** Testing fprintf() for string types ***
+
+-- Iteration 1 --
+
+     
+  abc
+  aaa
+-- Iteration 2 --
+
+     
+abc  
+aaa  
+-- Iteration 3 --
+
+00000
+00abc
+00aaa
+-- Iteration 4 --
+
+#####
+##abc
+##aaa
+Done