ext/standard/tests/strings: W.I.P. Fix tests and remove ZPP tests

ext/standard/tests/strings/bug20927.phpt

@@ -9,7 +9,7 @@ $linelength	= 10;
 echo "Length of original string:  ".strlen($string)."\n";
 echo "Length of break string:     ".strlen($break)."\n";
 
-var_dump(wordwrap($string, $linelength, $break, 1));
+var_dump(wordwrap($string, $linelength, $break, true));
 ?>
 --EXPECT--
 Length of original string:  130

ext/standard/tests/strings/bug33605.phpt

@@ -3,7 +3,7 @@ Bug #33605 (substr_compare crashes)
 --FILE--
 <?php
 try {
-    substr_compare("aa", "a", -99999999, -1, 0);
+    substr_compare("aa", "a", -99999999, -1, false);
 } catch (\ValueError $e) {
     echo $e->getMessage();
 }

ext/standard/tests/strings/chop_variation5.phpt

@@ -10,7 +10,6 @@ echo "*** Testing chop() : with miscellaneous arguments ***\n";
 
  var_dump ( chop("chop test   \t\0 ") );                       /* without second Argument */
  var_dump ( chop("chop test   " , "") );                       /* no characters in second Argument */
- var_dump ( chop("chop test        ", true) );                 /* with boolean value as second Argument */
  var_dump ( chop("chop test        ", " ") );                  /* with single space as second Argument */
  var_dump ( chop("chop test \t\n\r\0\x0B", "\t\n\r\0\x0B") );  /* with multiple escape sequences as second Argument */
  var_dump ( chop("chop testABCXYZ", "A..Z") );                 /* with characters range as second Argument */
@@ -23,7 +22,6 @@ echo "Done\n";
 *** Testing chop() : with miscellaneous arguments ***
 string(9) "chop test"
 string(12) "chop test   "
-string(17) "chop test        "
 string(9) "chop test"
 string(10) "chop test "
 string(9) "chop test"

ext/standard/tests/strings/implode_variation.phpt

@@ -24,21 +24,15 @@ $pieces = array(
   2,
   0,
   -639,
-  true,
   "PHP",
-  false,
   "",
   " ",
-  "string\x00with\x00...\0"
 );
 $glues = array(
   "TRUE",
-  true,
-  false,
   array("key1", "key2"),
   "",
   " ",
-  "string\x00between",
   -0,
   '\0'
 );
@@ -179,23 +173,17 @@ array(1) {
 
 *** Testing implode() with variations of glue ***
 -- Iteration 1 --
-string(59) "2TRUE0TRUE-639TRUE1TRUEPHPTRUETRUETRUE TRUEstring%0with%0...%0"
+string(30) "2TRUE0TRUE-639TRUEPHPTRUETRUE "
 -- Iteration 2 --
-string(35) "2101-639111PHP111 1string%0with%0...%0"
+implode(): Argument #1 ($separator) must be of type string, array given
 -- Iteration 3 --
-string(27) "20-6391PHP string%0with%0...%0"
+string(10) "20-639PHP "
 -- Iteration 4 --
-implode(): Argument #1 ($separator) must be of type string, array given
+string(15) "2 0 -639 PHP   "
 -- Iteration 5 --
-string(27) "20-6391PHP string%0with%0...%0"
+string(15) "2000-6390PHP00 "
 -- Iteration 6 --
-string(35) "2 0 -639 1 PHP     string%0with%0...%0"
--- Iteration 7 --
-string(139) "2string%0between0string%0between-639string%0between1string%0betweenPHPstring%0betweenstring%0betweenstring%0between string%0betweenstring%0with%0...%0"
--- Iteration 8 --
-string(35) "2000-639010PHP000 0string%0with%0...%0"
--- Iteration 9 --
-string(43) "2\00\0-639\01\0PHP\0\0\0 \0string%0with%0...%0"
+string(20) "2\00\0-639\0PHP\0\0 "
 
 *** Testing implode() on empty string ***
 implode(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given
@@ -208,9 +196,9 @@ Warning: Array to string conversion in %s on line %d
 string(27) "ArrayTESTArrayTESTPHPTEST50"
 implode(): Argument #1 ($separator) must be of type string, array given
 
-Warning: Array to string conversion in %s
+Warning: Array to string conversion in %s on line %d
 
-Warning: Array to string conversion in %s
+Warning: Array to string conversion in %s on line %d
 string(18) "Array2Array2PHP250"
 
 *** Testing implode() on objects ***

ext/standard/tests/strings/implode_with_null_bytes.phpt

@@ -0,0 +1,24 @@
+--TEST--
+Test implode() function with strings with null bytes
+--FILE--
+<?php
+
+$pieces = [
+    'PHP',
+    'is',
+    'great',
+];
+
+$glues = [
+    "\0",
+    "string\x00between",
+];
+
+foreach ($glues as $glue) {
+    var_dump(implode($glue, $pieces));
+}
+
+?>
+--EXPECTF--
+string(12) "PHP%0is%0great"
+string(38) "PHPstring%0betweenisstring%0betweengreat"