/// <summary>
/// Constructs the object with single runtime field <c>scalar</c>.
/// </summary>
/// <param name="scalar">Value of <c>scalar</c> field.</param>
internal stdClass(PhpValue scalar)
{
__peach__runtimeFields = new PhpArray(1)
{
{ new IntStringKey("scalar"), scalar }
};
}
/// <summary>
/// Calls a function or a method defined by callback with arguments stored in an array.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="function">Target callback.</param>
/// <param name="args">Arguments. Can be null.</param>
/// <returns>The returned value.</returns>
public static PhpValue call_user_func_array(Context ctx, IPhpCallable function, PhpArray args)
{
PhpValue[] args_array;
if (args != null && args.Count != 0)
{
args_array = new PhpValue[args.Count];
args.CopyValuesTo(args_array, 0);
}
else
{
args_array = Core.Utilities.ArrayUtils.EmptyValues;
}
return call_user_func(ctx, function, args_array);
}
/// <summary>
/// Retrieves defined constants.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="categorize">Returns a multi-dimensional array with categories in the keys of the first dimension and constants and their values in the second dimension. </param>
/// <returns>Retrives the names and values of all the constants currently defined.</returns>
public static PhpArray get_defined_constants(Context ctx, bool categorize = false)
{
var result = new PhpArray();
if (categorize)
{
throw new NotImplementedException();
}
else
{
foreach (var c in ctx.GetConstants())
{
result.Add(c.Key, c.Value);
}
}
//
return result;
}
public static PhpArray preg_grep(string pattern, PhpArray input, int flags = 0)
{
throw new NotImplementedException();
}
internal static PhpArray GetLocalTime(TimeZoneInfo currentTz, System_DateTime utc, bool returnAssociative)
{
PhpArray result;
var local = TimeZoneInfo.ConvertTime(utc, currentTz);
if (returnAssociative)
{
result = new PhpArray(0, 9);
result["tm_sec"] = PhpValue.Create(local.Second);
result["tm_min"] = PhpValue.Create(local.Minute);
result["tm_hour"] = PhpValue.Create(local.Hour);
result["tm_mday"] = PhpValue.Create(local.Day);
result["tm_mon"] = PhpValue.Create(local.Month - 1);
result["tm_year"] = PhpValue.Create(local.Year - 1900);
result["tm_wday"] = PhpValue.Create((int)local.DayOfWeek);
result["tm_yday"] = PhpValue.Create(local.DayOfYear - 1);
result["tm_isdst"] = PhpValue.Create(currentTz.IsDaylightSavingTime(local) ? 1 : 0);
}
else
{
result = new PhpArray(9, 0);
result.AddValue(PhpValue.Create(local.Second));
result.AddValue(PhpValue.Create(local.Minute));
result.AddValue(PhpValue.Create(local.Hour));
result.AddValue(PhpValue.Create(local.Day));
result.AddValue(PhpValue.Create(local.Month - 1));
result.AddValue(PhpValue.Create(local.Year - 1900));
result.AddValue(PhpValue.Create((int)local.DayOfWeek));
result.AddValue(PhpValue.Create(local.DayOfYear - 1));
result.AddValue(PhpValue.Create(currentTz.IsDaylightSavingTime(local) ? 1 : 0));
}
return result;
}
public static int preg_match_all(Context ctx, string pattern, string subject, out PhpArray matches, int flags = PREG_PATTERN_ORDER, int offset = 0)
{
throw new NotImplementedException();
}
public override void Accept(PhpArray obj)
{
// array (
_output.Append(PhpArray.PhpTypeName);
_output.Append(" (");
_output.Append(_nl);
_indent++;
base.Accept(obj);
_indent--;
OutputIndent();
_output.Append(")");
}
/// <summary>
/// Returns an associative array containing the date information.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="utc">UTC date time.</param>
/// <returns>Associative array with date information.</returns>
static PhpArray GetDate(Context ctx, System_DateTime utc)
{
PhpArray result = new PhpArray(1, 10);
var zone = PhpTimeZone.GetCurrentTimeZone(ctx);
var local = TimeZoneInfo.ConvertTime(utc, zone);
result.Add("seconds", local.Second);
result.Add("minutes", local.Minute);
result.Add("hours", local.Hour);
result.Add("mday", local.Day);
result.Add("wday", (int)local.DayOfWeek);
result.Add("mon", local.Month);
result.Add("year", local.Year);
result.Add("yday", local.DayOfYear - 1); // PHP: zero based day count
result.Add("weekday", local.DayOfWeek.ToString());
result.Add("month", local.ToString("MMMM", DateTimeFormatInfo.InvariantInfo));
result.Add(0, DateTimeUtils.UtcToUnixTimeStamp(utc));
return result;
}
/// <summary>
/// Pads array to the specified length with a value.
/// If the length is negative adds |length| elements at beginning otherwise adds elements at the end.
/// Values with integer keys that are contained in the source array are inserted to the resulting one with new
/// integer keys counted from zero (or from |length| if length negative).
/// </summary>
/// <param name="array">The source array.</param>
/// <param name="length">The length of the resulting array.</param>
/// <param name="value">The value to add in array.</param>
/// <returns>Padded array.</returns>
/// <exception cref="PhpException">The <paramref name="array"/> argument is a <B>null</B> reference.</exception>
public static PhpArray array_pad(PhpArray array, int length, PhpValue value)
{
if (array == null)
{
// PhpException.ArgumentNull("array");
// return null;
throw new ArgumentNullException();
}
// number of items to add:
int remains = Math.Abs(length) - array.Count;
// returns unchanged array (or its deep copy if called from PHP):
if (remains <= 0) return array;
PhpArray result = new PhpArray(array.Count + remains);
// prepends items:
if (length < 0)
{
while (remains-- > 0) result.Add(value);
}
// inserts items from source array
// if a key is a string inserts it unchanged otherwise inserts value with max. integer key:
var iterator = array.GetFastEnumerator();
while (iterator.MoveNext())
{
var key = iterator.CurrentKey;
if (key.IsString)
result.Add(key, iterator.CurrentValue);
else
result.Add(iterator.CurrentValue);
}
// appends items:
if (length > 0)
{
while (remains-- > 0) result.Add(value);
}
// the result is inplace deeply copied on return to PHP code:
//result.InplaceCopyOnReturn = true;
return result;
}
/// <summary>
/// Creates an array containing range of doubles from the [low;high] interval with arbitrary step.
/// </summary>
/// <param name="low">Lower bound of the interval.</param>
/// <param name="high">Upper bound of the interval.</param>
/// <param name="step">The step. An absolute value is taken if step is less than zero.</param>
/// <returns>The array.</returns>
/// <exception cref="PhpException">Thrown if the <paramref name="step"/> argument is zero.</exception>
private static PhpArray RangeOfDoubles(double low, double high, double step)
{
if (step == 0)
{
//PhpException.InvalidArgument("step", LibResources.GetString("arg:zero"));
//return null;
throw new ArgumentException();
}
if (step < 0) step = -step;
PhpArray result = new PhpArray(System.Convert.ToInt32(Math.Abs(high - low) / step) + 1);
if (high >= low)
{
for (int i = 0; low <= high; i++, low += step) result.Add(i, low);
}
else
{
for (int i = 0; low >= high; i++, low -= step) result.Add(i, low);
}
return result;
}
/// <summary>
/// Create a new context resource from an array of wrapper options.
/// </summary>
/// <param name="data">A 2-dimensional array of wrapper options</param>
public StreamContext(PhpArray data)
: this(data, true) { }
/// <summary>
/// Creates a new array filled with a specified value.
/// </summary>
/// <param name="startIndex">The value of the key of the first item in the array.</param>
/// <param name="count">The number of items in the array.</param>
/// <param name="value">The value copied to all items in the array.</param>
/// <returns>The array.</returns>
/// <exception cref="PhpException">Thrown if <paramref name="count"/> is not positive.</exception>
public static PhpArray array_fill(int startIndex, int count, PhpValue value)
{
if (count <= 0)
{
// TODO: PhpException.InvalidArgument("count", LibResources.GetString("arg:negative_or_zero"));
return null;
}
PhpArray result = new PhpArray(count, 0);
int last = startIndex + count;
for (int i = startIndex; i < last; i++)
result.Add(i, value);
// makes deep copies of all added items:
//result.InplaceCopyOnReturn = true;
return result;
}
/// <summary>
/// Compares two instances of <see cref="PhpArray"/>.
/// </summary>
/// <param name="x">First operand. Cannot be <c>null</c>.</param>
/// <param name="y">Second operand. Cannot be <c>null</c>.</param>
/// <param name="comparer">The comparer.</param>
/// <param name="incomparable">Whether arrays are incomparable
/// (no difference is found before both arrays enters an infinite recursion).
/// Returns zero then.</param>
public static int CompareArrays(PhpArray x, PhpArray y, IComparer <PhpValue> comparer, out bool incomparable)
{
Debug.Assert(x != null && y != null);
incomparable = false;
// if both operands point to the same internal dictionary:
if (object.ReferenceEquals(x.table, y.table))
{
return(0);
}
//
PhpArray array_x, array_y;
PhpArray sorted_x, sorted_y;
// if numbers of elements differs:
int result = x.Count - y.Count;
if (result != 0)
{
return(result);
}
// comparing with the same instance:
if (x == y)
{
return(0);
}
// marks arrays as visited (will be always restored to false value before return):
x.Visited = true;
y.Visited = true;
// it will be more effective to implement OrderedHashtable.ToOrderedList method and use it here (in future version):
sorted_x = x.DeepCopy();
sorted_x.Sort(KeyComparer.ArrayKeys);
sorted_y = y.DeepCopy();
sorted_y.Sort(KeyComparer.ArrayKeys);
var iter_x = sorted_x.GetFastEnumerator();
var iter_y = sorted_y.GetFastEnumerator();
result = 0;
try
{
// compares corresponding elements (keys first values then):
while (iter_x.MoveNext())
{
iter_y.MoveNext();
// compares keys:
result = iter_x.CurrentKey.CompareTo(iter_y.CurrentKey);
if (result != 0)
{
break;
}
// dereferences childs if they are references:
var child_x = iter_x.CurrentValue.GetValue();
var child_y = iter_y.CurrentValue.GetValue();
// compares values:
if ((array_x = child_x.ArrayOrNull()) != null)
{
if ((array_y = child_y.ArrayOrNull()) != null)
{
// at least one child has not been visited yet => continue with recursion:
if (!array_x.Visited || !array_y.Visited)
{
result = CompareArrays(array_x, array_y, comparer, out incomparable);
}
else
{
incomparable = true;
}
// infinity recursion has been detected:
if (incomparable)
{
break;
}
}
else
{
// compares an array with a non-array:
array_x.Compare(child_y, comparer);
}
}
else
{
// compares unknown item with a non-array:
result = -comparer.Compare(child_y, child_x);
}
if (result != 0)
{
break;
}
} // while
}
finally
{
x.Visited = false;
y.Visited = false;
}
return(result);
}
public static PhpArray ToArray(bool value) => PhpArray.New(value);
public static PhpArray ToArray(double value) => PhpArray.New(value);
public static PhpArray ToArray(long value) => PhpArray.New(value);
/// <summary>
/// Compares two instances of <see cref="PhpArray"/> for strict equality.
/// </summary>
/// <param name="x">First operand. Cannot be <c>null</c>.</param>
/// <param name="y">Second operand. Cannot be <c>null</c>.</param>
/// <param name="incomparable">Whether arrays are incomparable
/// (no difference is found before both arrays enters an infinite recursion).
/// Returns <B>true</B> then.</param>
static bool StrictCompareArrays(PhpArray x, PhpArray y, out bool incomparable)
{
Debug.Assert(x != null && y != null);
incomparable = false;
// if both operands point to the same internal dictionary:
if (object.ReferenceEquals(x.table, y.table))
{
return(true);
}
// if numbers of elements differs:
if (x.Count != y.Count)
{
return(false);
}
// comparing with the same instance:
if (x == y)
{
return(true);
}
var iter_x = x.GetFastEnumerator();
var iter_y = y.GetFastEnumerator();
PhpArray array_x, array_y;
// marks arrays as visited (will be always restored to false value before return):
x.Visited = true;
y.Visited = true;
bool result = true;
try
{
// compares corresponding elements (keys first values then):
while (result && iter_x.MoveNext())
{
iter_y.MoveNext();
// compares keys:
if (!iter_x.Current.Key.Equals(iter_y.Current.Key))
{
result = false;
break;
}
var child_x = iter_x.CurrentValue;
var child_y = iter_y.CurrentValue;
// compares values:
if ((array_x = child_x.ArrayOrNull()) != null)
{
if ((array_y = child_y.ArrayOrNull()) != null)
{
// at least one child has not been visited yet => continue with recursion:
if (!array_x.Visited || !array_y.Visited)
{
result = StrictCompareArrays(array_x, array_y, out incomparable);
}
else
{
incomparable = true;
break;
}
}
else
{
// an array with a non-array comparison:
result = false;
}
}
else
{
// compares unknown item with a non-array:
result = child_x.GetValue().StrictEquals(child_y.GetValue());
}
} // while
}
finally
{
x.Visited = false;
y.Visited = false;
}
return(result);
}
/// <summary> /// Makes new array containing union of two arrays. /// </summary> public static PhpArray Union(PhpArray x, PhpArray y) => (PhpArray)x.DeepCopy().Unite(y);
/// <summary>
/// Removes a slice of an array.
/// </summary>
/// <param name="array">The array which slice to remove.</param>
/// <param name="offset">The relativized offset of a first item of the slice.</param>
/// <param name="length">The relativized length of the slice.</param>
/// <remarks>
/// <para><paramref name="length"/> items are removed from <paramref name="array"/>
/// starting with the <paramref name="offset"/>-th one.</para>
/// </remarks>
/// <para>See <see cref="PhpMath.AbsolutizeRange"/> for details about <paramref name="offset"/>.</para>
public static PhpArray array_splice(PhpArray array, int offset, int length = int.MaxValue)
{
// Splice would be equivalent to SpliceDc if no replacement is specified (=> no SpliceDc):
return array_splice(array, offset, length, PhpValue.Null);
}
public static PhpArray array_fill_keys(PhpArray keys, PhpValue value)
{
if (keys == null)
{
// PhpException.ArgumentNull("keys");
// return null;
throw new ArgumentNullException();
}
var result = new PhpArray(keys.Count);
var iterator = keys.GetFastEnumerator();
while (iterator.MoveNext())
{
IntStringKey key;
if (Core.Convert.TryToIntStringKey(iterator.CurrentValue, out key) && !result.ContainsKey(key))
{
result[key] = value;
}
}
// makes deep copies of all added items:
//result.InplaceCopyOnReturn = true;
return result;
}
/// <summary>
/// Replaces a slice of an array with specified item(s).
/// </summary>
/// <remarks>
/// <para>The same as <see cref="Splice(PhpArray,int,int,object)"/> except for that
/// replacement items are deeply copied to the <paramref name="array"/>.</para>
/// </remarks>
public static PhpArray array_splice(PhpArray array, int offset, int length, PhpValue replacement)
{
if (array == null)
{
//PhpException.Throw(
// PhpError.Warning,
// string.Format(Strings.unexpected_arg_given, "array", PhpArray.PhpTypeName, PhpVariable.TypeNameNull));
//return null;
throw new ArgumentNullException();
}
return SpliceInternal(array, offset, length, replacement, true);
}
/// <summary>
/// Creates an array containing range of long integers from the [low;high] interval with arbitrary step.
/// </summary>
/// <param name="low">Lower bound of the interval.</param>
/// <param name="high">Upper bound of the interval.</param>
/// <param name="step">The step. An absolute value is taken if step is zero.</param>
/// <returns>The array.</returns>
private static PhpArray RangeOfLongInts(long low, long high, long step)
{
if (step == 0)
{
//PhpException.InvalidArgument("step", LibResources.GetString("arg:zero"));
//return null;
throw new ArgumentException();
}
if (step < 0) step = -step;
PhpArray result = new PhpArray(unchecked((int)(Math.Abs(high - low) / step + 1)));
if (high >= low)
{
for (int i = 0; low <= high; i++, low += step) result.Add(i, low);
}
else
{
for (int i = 0; low >= high; i++, low -= step) result.Add(i, low);
}
return result;
}
/// <summary>
/// Implementation of <see cref="array_splice(PhpArray,int,int,object)"/> and <see cref="array_splice(PhpArray,int,int,object)"/>.
/// </summary>
/// <remarks>Whether to make a deep-copy of items in the replacement.</remarks>
internal static PhpArray SpliceInternal(PhpArray array, int offset, int length, PhpValue replacement, bool deepCopy)
{
Debug.Assert(array != null);
int count = array.Count;
// converts offset and length to interval [first,last]:
PhpMath.AbsolutizeRange(ref offset, ref length, count);
PhpArray result = new PhpArray(length);
// replacement is an array:
if (replacement.IsArray)
{
// provides deep copies:
IEnumerable<PhpValue> e = replacement.Array.Values;
if (deepCopy)
{
e = e.Select(Operators.DeepCopy);
}
// does replacement:
array.ReindexAndReplace(offset, length, e, result);
}
else if (replacement.IsNull)
{
// replacement is null:
array.ReindexAndReplace(offset, length, null, result);
}
else
{
// replacement is another type //
// creates a deep copy:
if (deepCopy) replacement = replacement.DeepCopy();
// does replacement:
array.ReindexAndReplace(offset, length, new[] { replacement }, result);
}
return result;
}
/// <summary>
/// Creates an array containing range of characters from the [low;high] interval with arbitrary step.
/// </summary>
/// <param name="low">Lower bound of the interval.</param>
/// <param name="high">Upper bound of the interval.</param>
/// <param name="step">The step.</param>
/// <returns>The array.</returns>
/// <exception cref="PhpException">Thrown if the <paramref name="step"/> argument is zero.</exception>
private static PhpArray RangeOfChars(char low, char high, int step)
{
if (step == 0)
{
//PhpException.InvalidArgument("step", LibResources.GetString("arg:zero"));
//step = 1;
throw new ArgumentException();
}
if (step < 0) step = -step;
PhpArray result = new PhpArray(Math.Abs(high - low) / step + 1, 0);
if (high >= low)
{
for (int i = 0; low <= high; i++, low = unchecked((char)(low + step))) result.Add(i, low.ToString());
}
else
{
for (int i = 0; low >= high; i++, low = unchecked((char)(low - step))) result.Add(i, low.ToString());
}
return result;
}
/// <summary>
/// Randomizes the order of elements in the array using PhpMath random numbers generator.
/// </summary>
/// <exception cref="PhpException">Thrown if the <paramref name="array"/> argument is null.</exception>
/// <remarks>Reindexes all keys in the resulting array.</remarks>
/// <returns>True on success, False on failure.</returns>
public static bool shuffle(PhpArray array)
{
if (array == null)
{
//PhpException.ArgumentNull("array");
//return false;
throw new ArgumentNullException();
}
array.Shuffle(PhpMath.Generator);
array.ReindexAll();
return true;
}
public override void Accept(PhpArray obj)
{
// array (size=COUNT)
_output.Append(PhpArray.PhpTypeName);
_output.Append($"({obj.Count}) {{");
_output.Append(_nl);
_indent++;
base.Accept(obj);
_indent--;
OutputIndent();
_output.Append("}");
}
/// <summary>
/// Chooses specified number of keys from an array at random.
/// </summary>
/// <param name="array">The <see cref="PhpArray"/> from which to choose.</param>
/// <param name="count">The number of items to choose.</param>
/// <returns>Either <see cref="PhpArray"/> of chosen keys (<paramref name="count"/> > 1) or a single key.</returns>
/// <remarks>
/// Items are chosen uniformly in time <I>O(n)</I>, where <I>n</I> is the number of items in the
/// <paramref name="array"/> using conveyor belt sampling.
/// </remarks>
/// <exception cref="NullReferenceException"><paramref name="array"/> is a <B>null</B> reference.</exception>
/// <exception cref="PhpException"><paramref name="count"/> is not positive and less
/// than the number of items in <paramref name="array"/>. (Warning)</exception>
public static PhpValue array_rand(PhpArray array, int count = 1)
{
if (count == 1)
{
var result = new List<PhpValue>(1);
return RandomSubset(array.Keys, result, count, PhpMath.Generator) ? result[0] : PhpValue.Null;
}
else
{
var result = new PhpArray(count > 0 ? count : 0);
if (RandomSubset(array.Keys, result, count, PhpMath.Generator))
{
//result.InplaceCopyOnReturn = true;
return PhpValue.Create(result);
}
else
{
return PhpValue.Null;
}
}
}
internal static PhpArray GetTimeOfDay(System_DateTime utc, TimeZoneInfo/*!*/ zone)
{
var result = new PhpArray(0, 4);
var local = TimeZoneInfo.ConvertTime(utc, zone);
//int current_dst = 0;
if (zone.IsDaylightSavingTime(local))
{
// TODO: current_dst
//var rules = zone.GetAdjustmentRules();
//for (int i = 0; i < rules.Length; i++)
//{
// if (rules[i].DateStart <= local && rules[i].DateEnd >= local)
// {
// current_dst = (int)rules[i].DaylightDelta.TotalHours;
// break;
// }
//}
}
const int ticks_per_microsecond = (int)TimeSpan.TicksPerMillisecond / 1000;
result["sec"] = PhpValue.Create(DateTimeUtils.UtcToUnixTimeStamp(utc));
result["usec"] = PhpValue.Create((int)(local.Ticks % TimeSpan.TicksPerSecond) / ticks_per_microsecond);
result["minuteswest"] = PhpValue.Create((int)(utc - local).TotalMinutes);
//result["dsttime"] = PhpValue.Create(current_dst);
return result;
}
/// <summary>
/// Checks if a key exists in the array.
/// </summary>
/// <param name="key">The key to be searched for.</param>
/// <param name="array">The array where to search for the key.</param>
/// <returns>Whether the <paramref name="key"/> exists in the <paramref name="array"/>.</returns>
/// <remarks><paramref name="key"/> is converted before the search.</remarks>
/// <exception cref="PhpException"><paramref name="array"/> argument is a <B>null</B> reference (Warning).</exception>
/// <exception cref="PhpException"><paramref name="key"/> has type which is illegal for array key.</exception>
public static bool array_key_exists(IntStringKey key, PhpArray array)
{
if (array == null)
{
// TODO: PhpException.ArgumentNull("array");
return false;
}
return array.ContainsKey(key);
//if (Core.Convert.ObjectToArrayKey(key, out array_key))
// return array.ContainsKey(array_key);
//PhpException.Throw(PhpError.Warning, CoreResources.GetString("illegal_offset_type"));
//return false;
}
static PhpValue preg_replace(Context ctx, string pattern, string replacement, PhpCallable callback, PhpValue subject, int limit, ref long count)
{
var regex = new PerlRegex.Regex(pattern);
// TODO: count
// TODO: callback
var subject_array = subject.AsArray();
if (subject_array == null)
{
return PhpValue.Create(regex.Replace(subject.ToStringOrThrow(ctx), replacement, limit));
}
else
{
var arr = new PhpArray(subject_array, false);
var enumerator = arr.GetFastEnumerator();
while (enumerator.MoveNext())
{
var newvalue = regex.Replace(enumerator.CurrentValue.ToStringOrThrow(ctx), replacement, limit);
enumerator.CurrentValue = PhpValue.Create(newvalue);
}
return PhpValue.Create(arr);
}
}
/// <summary> /// Alias of <see cref="array_key_exists"/>. /// </summary> public static bool key_exists(IntStringKey key, PhpArray array) => array_key_exists(key, array);
public static int preg_match(Context ctx, string pattern, string subject, out PhpArray matches, int flags = 0, long offset = 0)
{
throw new NotImplementedException();
}
/// <summary>
/// Checks if a value exists in an array.
/// </summary>
/// <param name="needle">The value to search for.</param>
/// <param name="haystack">The <see cref="PhpArray"/> where to search.</param>
/// <param name="strict">Whether strict comparison method (operator ===) is used for comparing values.</param>
/// <returns>Whether there is the <paramref name="needle"/> value in the <see cref="PhpArray"/>.</returns>
/// <exception cref="PhpException"><paramref name="haystack"/> is a <B>null</B> reference (Warning).</exception>
public static bool in_array(PhpValue needle, PhpArray haystack, bool strict = false)
{
var b = array_search(needle, haystack, strict);
return !b.IsBoolean || b.Boolean;
}
public static PhpArray preg_grep(Context ctx, string pattern, PhpArray input, int flags = 0)
{
if (input == null)
{
return null;
}
var result = new PhpArray(input.Count);
if (input.Count != 0)
{
var regex = new PerlRegex.Regex(pattern);
var enumerator = input.GetFastEnumerator();
while (enumerator.MoveNext())
{
var str = enumerator.CurrentValue.ToStringOrThrow(ctx);
var m = regex.Match(str);
// move a copy to return array if success and not invert or
// not success and invert
if (m.Success ^ (flags & PREG_GREP_INVERT) != 0)
{
result.Add(enumerator.CurrentKey, enumerator.CurrentValue.DeepCopy());
}
}
}
//
return result;
}
/// <summary>
/// Searches the array for a given value and returns the corresponding key if successful.
/// </summary>
/// <param name="needle">The value to search for.</param>
/// <param name="haystack">The <see cref="PhpArray"/> where to search.</param>
/// <param name="strict">Whether strict comparison method (operator ===) is used for comparing values.</param>
/// <returns>The key associated with the <paramref name="needle"/> or <B>false</B> if there is no such key.</returns>
/// <exception cref="PhpException"><paramref name="haystack"/> is a <B>null</B> reference (Warning).</exception>
public static PhpValue array_search(PhpValue needle, PhpArray haystack, bool strict = false)
{
// result needn't to be deeply copied because it is a key of an array //
if (haystack == null)
{
// TODO: PhpException.ArgumentNull("haystack");
return PhpValue.False;
}
// using operator ===:
if (strict)
{
using (var enumerator = haystack.GetFastEnumerator())
while (enumerator.MoveNext())
{
// TODO: dereferences value (because of StrictEquality operator):
if (needle.StrictEquals(enumerator.CurrentValue))
return PhpValue.Create(enumerator.CurrentKey);
}
}
else
{
// using operator ==:
using (var enumerator = haystack.GetFastEnumerator())
while (enumerator.MoveNext())
{
// note: comparator manages references well:
if (needle.Equals(enumerator.CurrentValue))
return PhpValue.Create(enumerator.CurrentKey);
}
}
// not found:
return PhpValue.False;
}
/// <summary>
/// Create a new context resource from an array of wrapper options.
/// </summary>
/// <param name="data">A 2-dimensional array of wrapper options</param>
/// <param name="registerInCtx">Whether to register this instance in current <see cref="Context"/>. Should be <c>false</c> for static resources.</param>
private StreamContext(PhpArray data, bool registerInCtx)
: base(StreamContextTypeName/*, registerInCtx*/)
{
_data = data;
}
/// <summary>
/// Copy constructor. Creates <see cref="PhpArray"/> that shares internal data table with another <see cref="PhpArray"/>.
/// </summary>
/// <param name="array">Table to be shared.</param>
/// <param name="preserveMaxInt">True to copy the <see cref="PhpHashtable.MaxIntegerKey"/> from <paramref name="array"/>.
/// Otherwise the value will be recomputed when needed. See http://phalanger.codeplex.com/workitem/31484 for more details.</param>
public PhpArray(PhpArray /*!*/ array, bool preserveMaxInt)
: base(array, preserveMaxInt)
{
}
