--- /dev/null
+--TEST--
+Test strpbrk() function : basic functionality
+--FILE--
+<?php
+/* Prototype : array strpbrk(string haystack, string char_list)
+ * Description: Search a string for any of a set of characters
+ * Source code: ext/standard/string.c
+ * Alias to functions:
+ */
+
+echo "*** Testing strpbrk() : basic functionality ***\n";
+
+// Initialise all required variables
+$text = 'This is a Simple text.';
+var_dump( strpbrk($text, 'mi') );
+var_dump( strpbrk($text, 'ZS') );
+var_dump( strpbrk($text, 'Z') );
+var_dump( strpbrk($text, 'H') );
+
+$text = '';
+var_dump( strpbrk($text, 'foo') );
+
+$text = " aaa aaaSLR";
+var_dump( strpbrk($text, ' ') );
+
+var_dump( strpbrk(5, 5) );
+var_dump( strpbrk(5, "5") );
+
+?>
+===DONE===
+--EXPECT--
+*** Testing strpbrk() : basic functionality ***
+string(20) "is is a Simple text."
+string(12) "Simple text."
+bool(false)
+bool(false)
+bool(false)
+string(12) " aaa aaaSLR"
+string(1) "5"
+string(1) "5"
+===DONE===
--- /dev/null
+--TEST--
+Test strpbrk() function : error conditions
+--FILE--
+<?php
+/* Prototype : array strpbrk(string haystack, string char_list)
+ * Description: Search a string for any of a set of characters
+ * Source code: ext/standard/string.c
+ * Alias to functions:
+ */
+
+echo "*** Testing strpbrk() : error conditions ***\n";
+
+$haystack = 'This is a Simple text.';
+$char_list = 'string_val';
+$extra_arg = 10;
+
+echo "\n-- Testing strpbrk() function with more than expected no. of arguments --\n";
+var_dump( strpbrk($haystack, $char_list, $extra_arg) );
+
+echo "\n-- Testing strpbrk() function with less than expected no. of arguments --\n";
+var_dump( strpbrk($haystack) );
+
+echo "\n-- Testing strpbrk() function with empty second argument --\n";
+var_dump( strpbrk($haystack, '') );
+
+echo "\n-- Testing strpbrk() function with arrays --\n";
+var_dump( strpbrk($haystack, array('a', 'b', 'c') ) );
+var_dump( strpbrk(array('foo', 'bar'), 'b') );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strpbrk() : error conditions ***
+
+-- Testing strpbrk() function with more than expected no. of arguments --
+
+Warning: strpbrk() expects exactly 2 parameters, 3 given in %s on line %d
+bool(false)
+
+-- Testing strpbrk() function with less than expected no. of arguments --
+
+Warning: strpbrk() expects exactly 2 parameters, 1 given in %s on line %d
+bool(false)
+
+-- Testing strpbrk() function with empty second argument --
+
+Warning: strpbrk(): The character list cannot be empty in %s on line %d
+bool(false)
+
+-- Testing strpbrk() function with arrays --
+
+Warning: strpbrk() expects parameter 2 to be string, array given in %s on line %d
+bool(false)
+
+Warning: strpbrk() expects parameter 1 to be string, array given in %s on line %d
+bool(false)
+===DONE===