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+--TEST--
+Test sprintf() function : basic functionality - hexadecimal format
+--FILE--
+<?php
+/* Prototype : string sprintf(string $format [, mixed $arg1 [, mixed ...]])
+ * Description: Return a formatted string
+ * Source code: ext/standard/formatted_print.c
+ */
+
+echo "*** Testing sprintf() : basic functionality - using hexadecimal format ***\n";
+
+// Initialise all required variables
+
+// Initialising different format strings
+$format = "format";
+$format1 = "%x";
+$format2 = "%x %x";
+$format3 = "%x %x %x";
+
+$format11 = "%X";
+$format22 = "%X %X";
+$format33 = "%X %X %X";
+
+$arg1 = 11;
+$arg2 = 132;
+$arg3 = 177;
+
+// Calling sprintf() with default arguments
+var_dump( sprintf($format) );
+
+// Calling sprintf() with two arguments
+var_dump( sprintf($format1, $arg1) );
+var_dump( sprintf($format11, $arg1) );
+
+// Calling sprintf() with three arguments
+var_dump( sprintf($format2, $arg1, $arg2) );
+var_dump( sprintf($format22, $arg1, $arg2) );
+
+// Calling sprintf() with four arguments
+var_dump( sprintf($format3, $arg1, $arg2, $arg3) );
+var_dump( sprintf($format33, $arg1, $arg2, $arg3) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing sprintf() : basic functionality - using hexadecimal format ***
+string(6) "format"
+string(1) "b"
+string(1) "B"
+string(4) "b 84"
+string(4) "B 84"
+string(7) "b 84 b1"
+string(7) "B 84 B1"
+Done