Warn about invalid strings in arithmetic

Squashed commit of the following:

commit e05d3b67325d4521418483ed924ac9211a188919
Author: Andrea Faulds <ajf@ajf.me>
Date:   Wed Mar 30 01:43:35 2016 +0100

    UPGRADING and NEWS

commit 6caf1d4585207d1b02fb06a216cd7da1a1f5e12d
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sun Mar 20 21:18:33 2016 +0000

    Fixes

commit 6dadb1b0efe5e2ed071e95a55c806519e61377ac
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sun Feb 14 02:15:01 2016 +0000

    Add test for numeric string errors in assignment

commit bd5f04e8dd576f92a48d25546f4f9a0f57f374de
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sat Feb 13 23:53:05 2016 +0000

    Add test for numeric string errors

commit c72e92f16d512bcae30cc9639c89bcb08d971742
Author: Andrea Faulds <ajf@ajf.me>
Date:   Tue Jan 26 23:28:33 2016 +0000

    Add test for scientific notation in integer operations

commit d94c08852d405b3a7ef6c84d24bf7915c890ce78
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sun Feb 14 01:25:57 2016 +0000

    Disable optimiser evaluation for numeric string errors

commit 30ee954ed13d933e766c68605d683c8ebae3d8ee
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sun Feb 14 01:46:25 2016 +0000

    fixup

commit a6403b79e054c95e2b7345d787f3092b261eed27
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sat Feb 13 22:00:27 2016 +0000

    Do not convert error-causing numeric strings ahead-of-time

commit f9dc35401471ef3035954cb6f171826769297548
Author: Andrea Faulds <ajf@ajf.me>
Date:   Sat Feb 13 19:15:38 2016 +0000

    Disable compile-time evaluation for numeric string errors

commit e05b0cc8496ea082c6db27efd8b8277ef1f785b5
Author: Andrea Faulds <ajf@ajf.me>
Date:   Fri Feb 5 11:42:26 2016 +0000

    Make _zval_get_long_func_noisy function for inlining

commit 84d66321a57e579759109650c8bb7e3d5002854a
Author: Andrea Faulds <ajf@ajf.me>
Date:   Tue Jan 26 23:10:00 2016 +0000

    Update tests

commit 5ac4a0cc4bff282e3a15eaa8ab44b67391881a6d
Author: Andrea Faulds <ajf@ajf.me>
Date:   Tue Jan 26 22:08:19 2016 +0000

    Use is_numeric_string_ex for zval_get_long etc.

commit c21f08848533723331012a62a153de3577731d6a
Author: Andrea Faulds <ajf@ajf.me>
Date:   Thu Jan 7 21:13:04 2016 +0000

    Update tests

commit 63e214cf8160420bfc51c6a2b4ae32f09ad8e8af
Author: Andrea Faulds <ajf@ajf.me>
Date:   Wed Jan 6 00:28:01 2016 +0000

    Warn on non-/bad numeric strings in arithmetic

1 files changed, 195 insertions, 0 deletions

diff --git a/Zend/tests/numeric_string_errors.phpt b/Zend/tests/numeric_string_errors.phpt
new file mode 100644
index 0000000000..26ceea7dee
--- /dev/null
+++ b/Zend/tests/numeric_string_errors.phpt
@@ -0,0 +1,195 @@
+--TEST--
+Invalid numeric string E_WARNINGs and E_NOTICEs
+--FILE--
+<?php
+
+var_dump("2 Lorem" + "3 ipsum");
+var_dump("dolor" + "sit");
+echo "---", PHP_EOL;
+var_dump("5 amet," - "7 consectetur");
+var_dump("adipiscing" - "elit,");
+echo "---", PHP_EOL;
+var_dump("11 sed" * "13 do");
+var_dump("eiusmod" * "tempor");
+echo "---", PHP_EOL;
+var_dump("17 incididunt" / "19 ut");
+var_dump("labore" / "et");
+echo "---", PHP_EOL;
+var_dump("23 dolore" ** "29 magna");
+var_dump("aliqua." ** "Ut");
+echo "---", PHP_EOL;
+var_dump("31 enim" % "37 ad");
+try {
+    var_dump("minim" % "veniam,");
+} catch (DivisionByZeroError $e) {
+}
+echo "---", PHP_EOL;
+var_dump("41 minim" << "43 veniam,");
+var_dump("quis" << "nostrud");
+echo "---", PHP_EOL;
+var_dump("47 exercitation" >> "53 ullamco");
+var_dump("laboris" >> "nisi");
+echo "---", PHP_EOL;
+var_dump("59 ut" | 61);
+var_dump(67 | "71 aliquip");
+var_dump("ex" | 73);
+var_dump(79 | "ea");
+echo "---", PHP_EOL;
+var_dump("83 commodo" & 89);
+var_dump(97 & "101 consequat.");
+var_dump("Duis" & 103);
+var_dump(107 & "aute");
+echo "---", PHP_EOL;
+var_dump("109 irure" ^ 113);
+var_dump(127 ^ "131 dolor");
+var_dump("in" ^ 137);
+var_dump(139 ^ "reprehenderit");
+echo "---", PHP_EOL;
+var_dump(+"149 in");
+var_dump(+"voluptate");
+echo "---", PHP_EOL;
+var_dump(-"151 velit");
+var_dump(-"esse");
+?>
+--EXPECTF--
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(5)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(-2)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(143)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+float(0.89473684210526)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: Division by zero in %s on line %d
+float(NAN)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+float(3.0910586430935E+39)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+int(1)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(31)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(360639813910528)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(0)
+
+Warning: A non-numeric value encountered in %s on line %d
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(63)
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(71)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(73)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(79)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(81)
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(97)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(28)
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(252)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(137)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(139)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(149)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)
+---
+
+Notice: A non well formed numeric value encountered in %s on line %d
+int(-151)
+
+Warning: A non-numeric value encountered in %s on line %d
+int(0)