diff --git a/ext/standard/math.c b/ext/standard/math.c
index 9ed51bf45fc57..528a42b70f59d 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -1131,16 +1131,134 @@ PHPAPI zend_string *_php_math_number_format_ex(double d, int dec, const char *de
 	return res;
 }
 
+PHPAPI zend_string *_php_math_number_format_long(zend_long num, zend_long dec, const char *dec_point,
+		size_t dec_point_len, const char *thousand_sep, size_t thousand_sep_len)
+{
+	static const zend_ulong powers[] = {
+		1, 10, 100, 1000, 10000,
+		100000, 1000000, 10000000, 100000000, 1000000000,
+#if SIZEOF_ZEND_LONG == 8
+		10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000,
+		1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000ul
+#elif SIZEOF_ZEND_LONG > 8
+# error "Unknown SIZEOF_ZEND_LONG"
+#endif
+	};
+
+	int is_negative = 0;
+	zend_ulong tmpnum;
+	zend_ulong power;
+	zend_ulong power_half;
+	zend_ulong rest;
+
+	zend_string *tmpbuf;
+	zend_string *res;
+	size_t reslen;
+	char *s, *t;  /* source, target */
+	int count = 0;
+	size_t topad;
+
+	// unsigned absolute number and memorize negative sign
+	if (num < 0) {
+		is_negative = 1;
+		tmpnum = ((zend_ulong)-(num + 1)) + 1;
+	} else {
+		tmpnum = (zend_ulong)num;
+	}
+
+	// rounding the number
+	if (dec < 0) {
+		// Check rounding to more negative places than possible
+		if (dec < -(sizeof(powers) / sizeof(powers[0]) - 1)) {
+			tmpnum = 0;
+		} else {
+			power = powers[-dec];
+			power_half = power / 2;
+			rest = tmpnum % power;
+			tmpnum = tmpnum / power;
+
+			if (rest >= power_half) {
+				tmpnum = tmpnum * power + power;
+			} else {
+				tmpnum = tmpnum * power;
+			}
+		}
+
+		// prevent resulting in negative zero
+		if (tmpnum == 0) {
+			is_negative = 0;
+		}
+	}
+
+	tmpbuf = strpprintf(0, ZEND_ULONG_FMT, tmpnum);
+	reslen = ZSTR_LEN(tmpbuf);
+
+	/* allow for thousand separators */
+	if (thousand_sep) {
+		reslen = zend_safe_addmult((reslen-1)/3, thousand_sep_len, reslen, "number formatting");
+	}
+
+	reslen += is_negative;
+
+	if (dec > 0) {
+		reslen += dec;
+
+		if (dec_point) {
+			reslen = zend_safe_addmult(reslen, 1, dec_point_len, "number formatting");
+		}
+	}
+
+	res = zend_string_alloc(reslen, 0);
+
+	s = ZSTR_VAL(tmpbuf) + ZSTR_LEN(tmpbuf) - 1;
+	t = ZSTR_VAL(res) + reslen;
+	*t-- = '\0';
+
+	/* copy the decimal places. */
+	if (dec > 0) {
+		topad = (size_t)dec;
+
+		/* pad with '0's */
+		while (topad--) {
+			*t-- = '0';
+		}
+
+		/* add decimal point */
+		if (dec_point) {
+			t -= dec_point_len;
+			memcpy(t + 1, dec_point, dec_point_len);
+		}
+	}
+
+	/* copy the numbers before the decimal point, adding thousand
+	 * separator every three digits */
+	while (s >= ZSTR_VAL(tmpbuf)) {
+		*t-- = *s--;
+		if (thousand_sep && (++count%3)==0 && s >= ZSTR_VAL(tmpbuf)) {
+			t -= thousand_sep_len;
+			memcpy(t + 1, thousand_sep, thousand_sep_len);
+		}
+	}
+
+	if (is_negative) {
+		*t-- = '-';
+	}
+
+	ZSTR_LEN(res) = reslen;
+	zend_string_release_ex(tmpbuf, 0);
+	return res;
+}
+
 /* {{{ Formats a number with grouped thousands */
 PHP_FUNCTION(number_format)
 {
-	double num;
+	zval* num;
 	zend_long dec = 0;
 	char *thousand_sep = NULL, *dec_point = NULL;
 	size_t thousand_sep_len = 0, dec_point_len = 0;
 
 	ZEND_PARSE_PARAMETERS_START(1, 4)
-		Z_PARAM_DOUBLE(num)
+		Z_PARAM_NUMBER(num)
 		Z_PARAM_OPTIONAL
 		Z_PARAM_LONG(dec)
 		Z_PARAM_STRING_OR_NULL(dec_point, dec_point_len)
@@ -1156,7 +1274,17 @@ PHP_FUNCTION(number_format)
 		thousand_sep_len = 1;
 	}
 
-	RETURN_STR(_php_math_number_format_ex(num, (int)dec, dec_point, dec_point_len, thousand_sep, thousand_sep_len));
+	switch (Z_TYPE_P(num)) {
+		case IS_LONG:
+			RETURN_STR(_php_math_number_format_long(Z_LVAL_P(num), dec, dec_point, dec_point_len, thousand_sep, thousand_sep_len));
+			break;
+
+		case IS_DOUBLE:
+			RETURN_STR(_php_math_number_format_ex(Z_DVAL_P(num), (int)dec, dec_point, dec_point_len, thousand_sep, thousand_sep_len));
+			break;
+
+		EMPTY_SWITCH_DEFAULT_CASE()
+	}
 }
 /* }}} */
 
diff --git a/ext/standard/php_math.h b/ext/standard/php_math.h
index 5d6be14b80ef8..1cdba0fe9d0a6 100644
--- a/ext/standard/php_math.h
+++ b/ext/standard/php_math.h
@@ -21,6 +21,7 @@
 PHPAPI double _php_math_round(double value, int places, int mode);
 PHPAPI zend_string *_php_math_number_format(double d, int dec, char dec_point, char thousand_sep);
 PHPAPI zend_string *_php_math_number_format_ex(double d, int dec, const char *dec_point, size_t dec_point_len, const char *thousand_sep, size_t thousand_sep_len);
+PHPAPI zend_string *_php_math_number_format_long(zend_long num, zend_long dec, const char *dec_point, size_t dec_point_len, const char *thousand_sep, size_t thousand_sep_len);
 PHPAPI zend_string * _php_math_longtobase(zend_long arg, int base);
 PHPAPI zend_long _php_math_basetolong(zval *arg, int base);
 PHPAPI void _php_math_basetozval(zend_string *str, int base, zval *ret);
diff --git a/ext/standard/tests/math/number_format_basic.phpt b/ext/standard/tests/math/number_format_basic.phpt
index 022e573b01b19..40b00d1a4f632 100644
--- a/ext/standard/tests/math/number_format_basic.phpt
+++ b/ext/standard/tests/math/number_format_basic.phpt
@@ -6,6 +6,10 @@ $values = array(1234.5678,
                 -1234.5678,
                 1234.6578e4,
                 -1234.56789e4,
+                999999,
+                -999999,
+                999999.0,
+                -999999.0,
                 0x1234CDEF,
                 02777777777,
                 "123456789",
@@ -37,6 +41,12 @@ for ($i = 0; $i < count($values); $i++) {
     $res = number_format($values[$i], 2, ',' , ' ');
     var_dump($res);
 }
+
+echo "\n number_format tests.....multichar format\n";
+for ($i = 0; $i < count($values); $i++) {
+    $res = number_format($values[$i], 2, ' DECIMALS ' , ' THOUSAND ');
+    var_dump($res);
+}
 ?>
 --EXPECT--
 number_format tests.....default
@@ -44,6 +54,10 @@ string(5) "1,235"
 string(6) "-1,235"
 string(10) "12,346,578"
 string(11) "-12,345,679"
+string(7) "999,999"
+string(8) "-999,999"
+string(7) "999,999"
+string(8) "-999,999"
 string(11) "305,450,479"
 string(11) "402,653,183"
 string(11) "123,456,789"
@@ -57,6 +71,10 @@ string(8) "1,234.57"
 string(9) "-1,234.57"
 string(13) "12,346,578.00"
 string(14) "-12,345,678.90"
+string(10) "999,999.00"
+string(11) "-999,999.00"
+string(10) "999,999.00"
+string(11) "-999,999.00"
 string(14) "305,450,479.00"
 string(14) "402,653,183.00"
 string(14) "123,456,789.00"
@@ -70,6 +88,10 @@ string(8) "1 234.57"
 string(9) "-1 234.57"
 string(13) "12 346 578.00"
 string(14) "-12 345 678.90"
+string(10) "999 999.00"
+string(11) "-999 999.00"
+string(10) "999 999.00"
+string(11) "-999 999.00"
 string(14) "305 450 479.00"
 string(14) "402 653 183.00"
 string(14) "123 456 789.00"
@@ -83,6 +105,10 @@ string(8) "1 234,57"
 string(9) "-1 234,57"
 string(13) "12 346 578,00"
 string(14) "-12 345 678,90"
+string(10) "999 999,00"
+string(11) "-999 999,00"
+string(10) "999 999,00"
+string(11) "-999 999,00"
 string(14) "305 450 479,00"
 string(14) "402 653 183,00"
 string(14) "123 456 789,00"
@@ -90,3 +116,20 @@ string(6) "123,46"
 string(6) "123,46"
 string(4) "1,00"
 string(4) "0,00"
+
+ number_format tests.....multichar format
+string(26) "1 THOUSAND 234 DECIMALS 57"
+string(27) "-1 THOUSAND 234 DECIMALS 57"
+string(40) "12 THOUSAND 346 THOUSAND 578 DECIMALS 00"
+string(41) "-12 THOUSAND 345 THOUSAND 678 DECIMALS 90"
+string(28) "999 THOUSAND 999 DECIMALS 00"
+string(29) "-999 THOUSAND 999 DECIMALS 00"
+string(28) "999 THOUSAND 999 DECIMALS 00"
+string(29) "-999 THOUSAND 999 DECIMALS 00"
+string(41) "305 THOUSAND 450 THOUSAND 479 DECIMALS 00"
+string(41) "402 THOUSAND 653 THOUSAND 183 DECIMALS 00"
+string(41) "123 THOUSAND 456 THOUSAND 789 DECIMALS 00"
+string(15) "123 DECIMALS 46"
+string(15) "123 DECIMALS 46"
+string(13) "1 DECIMALS 00"
+string(13) "0 DECIMALS 00"
diff --git a/ext/standard/tests/math/number_format_basiclong_64bit.phpt b/ext/standard/tests/math/number_format_basiclong_64bit.phpt
new file mode 100644
index 0000000000000..204fe420cd950
--- /dev/null
+++ b/ext/standard/tests/math/number_format_basiclong_64bit.phpt
@@ -0,0 +1,187 @@
+--TEST--
+Test number_format function : 64bit long tests
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--FILE--
+<?php
+
+define("MAX_64Bit", 9223372036854775807);
+define("MAX_32Bit", 2147483647);
+define("MIN_64Bit", -9223372036854775807 - 1);
+define("MIN_32Bit", -2147483647 - 1);
+
+$longVals = array(
+    MAX_64Bit, MIN_64Bit, MAX_32Bit, MIN_32Bit, MAX_64Bit - MAX_32Bit, MIN_64Bit - MIN_32Bit,
+    MAX_32Bit + 1, MIN_32Bit - 1, MAX_32Bit * 2, (MAX_32Bit * 2) + 1, (MAX_32Bit * 2) - 1,
+    MAX_64Bit -1, MIN_64Bit + 1
+);
+
+$precisions = array(
+    5,
+    0,
+    -1,
+    -5,
+    -10,
+    -11,
+    -17,
+    -19,
+    -20,
+    PHP_INT_MIN,
+);
+
+foreach ($longVals as $longVal) {
+    echo "--- testing: ";
+    var_dump($longVal);
+    foreach ($precisions as $precision) {
+        echo "... with precision " . $precision . ": ";
+        var_dump(number_format($longVal, $precision));
+    }
+}
+
+?>
+--EXPECTF--
+--- testing: int(9223372036854775807)
+... with precision 5: string(31) "9,223,372,036,854,775,807.00000"
+... with precision 0: string(25) "9,223,372,036,854,775,807"
+... with precision -1: string(25) "9,223,372,036,854,775,810"
+... with precision -5: string(25) "9,223,372,036,854,800,000"
+... with precision -10: string(25) "9,223,372,040,000,000,000"
+... with precision -11: string(25) "9,223,372,000,000,000,000"
+... with precision -17: string(25) "9,200,000,000,000,000,000"
+... with precision -19: string(26) "10,000,000,000,000,000,000"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(-9223372036854775808)
+... with precision 5: string(32) "-9,223,372,036,854,775,808.00000"
+... with precision 0: string(26) "-9,223,372,036,854,775,808"
+... with precision -1: string(26) "-9,223,372,036,854,775,810"
+... with precision -5: string(26) "-9,223,372,036,854,800,000"
+... with precision -10: string(26) "-9,223,372,040,000,000,000"
+... with precision -11: string(26) "-9,223,372,000,000,000,000"
+... with precision -17: string(26) "-9,200,000,000,000,000,000"
+... with precision -19: string(27) "-10,000,000,000,000,000,000"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(2147483647)
+... with precision 5: string(19) "2,147,483,647.00000"
+... with precision 0: string(13) "2,147,483,647"
+... with precision -1: string(13) "2,147,483,650"
+... with precision -5: string(13) "2,147,500,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(-2147483648)
+... with precision 5: string(20) "-2,147,483,648.00000"
+... with precision 0: string(14) "-2,147,483,648"
+... with precision -1: string(14) "-2,147,483,650"
+... with precision -5: string(14) "-2,147,500,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(9223372034707292160)
+... with precision 5: string(31) "9,223,372,034,707,292,160.00000"
+... with precision 0: string(25) "9,223,372,034,707,292,160"
+... with precision -1: string(25) "9,223,372,034,707,292,160"
+... with precision -5: string(25) "9,223,372,034,707,300,000"
+... with precision -10: string(25) "9,223,372,030,000,000,000"
+... with precision -11: string(25) "9,223,372,000,000,000,000"
+... with precision -17: string(25) "9,200,000,000,000,000,000"
+... with precision -19: string(26) "10,000,000,000,000,000,000"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(-9223372034707292160)
+... with precision 5: string(32) "-9,223,372,034,707,292,160.00000"
+... with precision 0: string(26) "-9,223,372,034,707,292,160"
+... with precision -1: string(26) "-9,223,372,034,707,292,160"
+... with precision -5: string(26) "-9,223,372,034,707,300,000"
+... with precision -10: string(26) "-9,223,372,030,000,000,000"
+... with precision -11: string(26) "-9,223,372,000,000,000,000"
+... with precision -17: string(26) "-9,200,000,000,000,000,000"
+... with precision -19: string(27) "-10,000,000,000,000,000,000"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(2147483648)
+... with precision 5: string(19) "2,147,483,648.00000"
+... with precision 0: string(13) "2,147,483,648"
+... with precision -1: string(13) "2,147,483,650"
+... with precision -5: string(13) "2,147,500,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(-2147483649)
+... with precision 5: string(20) "-2,147,483,649.00000"
+... with precision 0: string(14) "-2,147,483,649"
+... with precision -1: string(14) "-2,147,483,650"
+... with precision -5: string(14) "-2,147,500,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(4294967294)
+... with precision 5: string(19) "4,294,967,294.00000"
+... with precision 0: string(13) "4,294,967,294"
+... with precision -1: string(13) "4,294,967,290"
+... with precision -5: string(13) "4,295,000,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(4294967295)
+... with precision 5: string(19) "4,294,967,295.00000"
+... with precision 0: string(13) "4,294,967,295"
+... with precision -1: string(13) "4,294,967,300"
+... with precision -5: string(13) "4,295,000,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(4294967293)
+... with precision 5: string(19) "4,294,967,293.00000"
+... with precision 0: string(13) "4,294,967,293"
+... with precision -1: string(13) "4,294,967,290"
+... with precision -5: string(13) "4,295,000,000"
+... with precision -10: string(1) "0"
+... with precision -11: string(1) "0"
+... with precision -17: string(1) "0"
+... with precision -19: string(1) "0"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(9223372036854775806)
+... with precision 5: string(31) "9,223,372,036,854,775,806.00000"
+... with precision 0: string(25) "9,223,372,036,854,775,806"
+... with precision -1: string(25) "9,223,372,036,854,775,810"
+... with precision -5: string(25) "9,223,372,036,854,800,000"
+... with precision -10: string(25) "9,223,372,040,000,000,000"
+... with precision -11: string(25) "9,223,372,000,000,000,000"
+... with precision -17: string(25) "9,200,000,000,000,000,000"
+... with precision -19: string(26) "10,000,000,000,000,000,000"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
+--- testing: int(-9223372036854775807)
+... with precision 5: string(32) "-9,223,372,036,854,775,807.00000"
+... with precision 0: string(26) "-9,223,372,036,854,775,807"
+... with precision -1: string(26) "-9,223,372,036,854,775,810"
+... with precision -5: string(26) "-9,223,372,036,854,800,000"
+... with precision -10: string(26) "-9,223,372,040,000,000,000"
+... with precision -11: string(26) "-9,223,372,000,000,000,000"
+... with precision -17: string(26) "-9,200,000,000,000,000,000"
+... with precision -19: string(27) "-10,000,000,000,000,000,000"
+... with precision -20: string(1) "0"
+... with precision %i: string(1) "0"
diff --git a/ext/standard/tests/math/number_format_decimals.phpt b/ext/standard/tests/math/number_format_decimals.phpt
index fa1e96b76c257..3baa6fb6280a1 100644
--- a/ext/standard/tests/math/number_format_decimals.phpt
+++ b/ext/standard/tests/math/number_format_decimals.phpt
@@ -2,6 +2,10 @@
 Test number_format() - test function with different decimal places
 --FILE--
 <?php
+
+define("MAX_INT32", 2147483647);
+define("MIN_INT32", -2147483647 - 1);
+
 $values = array(
     1.5151,
     15.151,
@@ -12,7 +16,17 @@ $values = array(
     -15.151,
     -151.51,
     -1515.1,
-    -15151
+    -15151,
+    999,
+    -999,
+    999.0,
+    -999.0,
+    999999,
+    -999999,
+    999999.0,
+    -999999.0,
+    MAX_INT32,
+    MIN_INT32,
 );
 
 $decimals = array(0, 1, 2, 3, 4, 5, -1, -2, -3, -4, -5);
@@ -149,3 +163,123 @@ testing int(-15151)
 ... with decimal places of -3: string(7) "-15,000"
 ... with decimal places of -4: string(7) "-20,000"
 ... with decimal places of -5: string(1) "0"
+testing int(999)
+... with decimal places of 0: string(3) "999"
+... with decimal places of 1: string(5) "999.0"
+... with decimal places of 2: string(6) "999.00"
+... with decimal places of 3: string(7) "999.000"
+... with decimal places of 4: string(8) "999.0000"
+... with decimal places of 5: string(9) "999.00000"
+... with decimal places of -1: string(5) "1,000"
+... with decimal places of -2: string(5) "1,000"
+... with decimal places of -3: string(5) "1,000"
+... with decimal places of -4: string(1) "0"
+... with decimal places of -5: string(1) "0"
+testing int(-999)
+... with decimal places of 0: string(4) "-999"
+... with decimal places of 1: string(6) "-999.0"
+... with decimal places of 2: string(7) "-999.00"
+... with decimal places of 3: string(8) "-999.000"
+... with decimal places of 4: string(9) "-999.0000"
+... with decimal places of 5: string(10) "-999.00000"
+... with decimal places of -1: string(6) "-1,000"
+... with decimal places of -2: string(6) "-1,000"
+... with decimal places of -3: string(6) "-1,000"
+... with decimal places of -4: string(1) "0"
+... with decimal places of -5: string(1) "0"
+testing float(999)
+... with decimal places of 0: string(3) "999"
+... with decimal places of 1: string(5) "999.0"
+... with decimal places of 2: string(6) "999.00"
+... with decimal places of 3: string(7) "999.000"
+... with decimal places of 4: string(8) "999.0000"
+... with decimal places of 5: string(9) "999.00000"
+... with decimal places of -1: string(5) "1,000"
+... with decimal places of -2: string(5) "1,000"
+... with decimal places of -3: string(5) "1,000"
+... with decimal places of -4: string(1) "0"
+... with decimal places of -5: string(1) "0"
+testing float(-999)
+... with decimal places of 0: string(4) "-999"
+... with decimal places of 1: string(6) "-999.0"
+... with decimal places of 2: string(7) "-999.00"
+... with decimal places of 3: string(8) "-999.000"
+... with decimal places of 4: string(9) "-999.0000"
+... with decimal places of 5: string(10) "-999.00000"
+... with decimal places of -1: string(6) "-1,000"
+... with decimal places of -2: string(6) "-1,000"
+... with decimal places of -3: string(6) "-1,000"
+... with decimal places of -4: string(1) "0"
+... with decimal places of -5: string(1) "0"
+testing int(999999)
+... with decimal places of 0: string(7) "999,999"
+... with decimal places of 1: string(9) "999,999.0"
+... with decimal places of 2: string(10) "999,999.00"
+... with decimal places of 3: string(11) "999,999.000"
+... with decimal places of 4: string(12) "999,999.0000"
+... with decimal places of 5: string(13) "999,999.00000"
+... with decimal places of -1: string(9) "1,000,000"
+... with decimal places of -2: string(9) "1,000,000"
+... with decimal places of -3: string(9) "1,000,000"
+... with decimal places of -4: string(9) "1,000,000"
+... with decimal places of -5: string(9) "1,000,000"
+testing int(-999999)
+... with decimal places of 0: string(8) "-999,999"
+... with decimal places of 1: string(10) "-999,999.0"
+... with decimal places of 2: string(11) "-999,999.00"
+... with decimal places of 3: string(12) "-999,999.000"
+... with decimal places of 4: string(13) "-999,999.0000"
+... with decimal places of 5: string(14) "-999,999.00000"
+... with decimal places of -1: string(10) "-1,000,000"
+... with decimal places of -2: string(10) "-1,000,000"
+... with decimal places of -3: string(10) "-1,000,000"
+... with decimal places of -4: string(10) "-1,000,000"
+... with decimal places of -5: string(10) "-1,000,000"
+testing float(999999)
+... with decimal places of 0: string(7) "999,999"
+... with decimal places of 1: string(9) "999,999.0"
+... with decimal places of 2: string(10) "999,999.00"
+... with decimal places of 3: string(11) "999,999.000"
+... with decimal places of 4: string(12) "999,999.0000"
+... with decimal places of 5: string(13) "999,999.00000"
+... with decimal places of -1: string(9) "1,000,000"
+... with decimal places of -2: string(9) "1,000,000"
+... with decimal places of -3: string(9) "1,000,000"
+... with decimal places of -4: string(9) "1,000,000"
+... with decimal places of -5: string(9) "1,000,000"
+testing float(-999999)
+... with decimal places of 0: string(8) "-999,999"
+... with decimal places of 1: string(10) "-999,999.0"
+... with decimal places of 2: string(11) "-999,999.00"
+... with decimal places of 3: string(12) "-999,999.000"
+... with decimal places of 4: string(13) "-999,999.0000"
+... with decimal places of 5: string(14) "-999,999.00000"
+... with decimal places of -1: string(10) "-1,000,000"
+... with decimal places of -2: string(10) "-1,000,000"
+... with decimal places of -3: string(10) "-1,000,000"
+... with decimal places of -4: string(10) "-1,000,000"
+... with decimal places of -5: string(10) "-1,000,000"
+testing int(2147483647)
+... with decimal places of 0: string(13) "2,147,483,647"
+... with decimal places of 1: string(15) "2,147,483,647.0"
+... with decimal places of 2: string(16) "2,147,483,647.00"
+... with decimal places of 3: string(17) "2,147,483,647.000"
+... with decimal places of 4: string(18) "2,147,483,647.0000"
+... with decimal places of 5: string(19) "2,147,483,647.00000"
+... with decimal places of -1: string(13) "2,147,483,650"
+... with decimal places of -2: string(13) "2,147,483,600"
+... with decimal places of -3: string(13) "2,147,484,000"
+... with decimal places of -4: string(13) "2,147,480,000"
+... with decimal places of -5: string(13) "2,147,500,000"
+testing int(-2147483648)
+... with decimal places of 0: string(14) "-2,147,483,648"
+... with decimal places of 1: string(16) "-2,147,483,648.0"
+... with decimal places of 2: string(17) "-2,147,483,648.00"
+... with decimal places of 3: string(18) "-2,147,483,648.000"
+... with decimal places of 4: string(19) "-2,147,483,648.0000"
+... with decimal places of 5: string(20) "-2,147,483,648.00000"
+... with decimal places of -1: string(14) "-2,147,483,650"
+... with decimal places of -2: string(14) "-2,147,483,600"
+... with decimal places of -3: string(14) "-2,147,484,000"
+... with decimal places of -4: string(14) "-2,147,480,000"
+... with decimal places of -5: string(14) "-2,147,500,000"