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  • phutil_units
    • Convert a human-readable unit description into a numeric one. This function allows you to replace this:
    • Function
  • phutil_fwrite_nonblocking_stream
    • Perform an `fwrite()` which distinguishes between EAGAIN and EPIPE.
    • Function
  • phutil_loggable_string
    • Converts a string to a loggable one, with unprintables and newlines escaped.
    • Function
  • phutil_is_hiphop_runtime
    • Function
  • phutil_is_windows
    • Function
  • array_interleave
    • Add an element between every two elements of some array. That is, given a list `A, B, C, D`, and some element to interleave, `x`, this function returns `A, x, B, x, C, x, D`. This works like `implode()`, but does not concatenate the list into a string. In particular:
    • Function
  • array_fuse
    • Simplifies a common use of `array_combine()`. Specifically, this:
    • Function
  • phutil_split_lines
    • Split a corpus of text into lines. This function splits on "\n", "\r\n", or a mixture of any of them.
    • Function
  • array_mergev
    • Merge a vector of arrays performantly. This has the same semantics as array_merge(), so these calls are equivalent:
    • Function
  • last_key
    • Returns the last key of an array.
    • Function
  • head_key
    • Returns the first key of an array.
    • Function
  • last
    • Returns the last element of an array. This is exactly like `end()` except that it won't warn you if you pass some non-referencable array to it -- e.g., the result of some other array operation.
    • Function
  • head
    • Returns the first element of an array. Exactly like reset(), but doesn't choke if you pass it some non-referenceable value like the return value of a function.
    • Function
  • newv
    • Invokes the "new" operator with a vector of arguments. There is no way to `call_user_func_array()` on a class constructor, so you can instead use this function:
    • Function
  • nonempty
    • Similar to @{function:coalesce}, but less strict: returns the first non-`empty()` argument, instead of the first argument that is strictly non-`null`. If no argument is nonempty, it returns the last argument. This is useful idiomatically for setting defaults:
    • Function
  • coalesce
    • Returns the first argument which is not strictly null, or `null` if there are no such arguments. Identical to the MySQL function of the same name.
    • Function
  • assert_stringlike
    • Assert that passed data can be converted to string.
    • Function
  • assert_same_keys
    • Assert that two arrays have the exact same keys, in any order.
    • Function
  • assert_instances_of
    • Checks if all values of array are instances of the passed class. Throws `InvalidArgumentException` if it isn't true for any value.
    • Function
  • array_select_keys
    • Selects a list of keys from an array, returning a new array with only the key-value pairs identified by the selected keys, in the specified order.
    • Function
  • ifilter
    • Filter a list of arrays by removing the ones with an empty() value for some index. This function works just like @{function:mfilter}, except that it operates on a list of arrays instead of a list of objects.
    • Function
  • mfilter
    • Filter a list of objects by executing a method across all the objects and filter out the ones with empty() results. this function works just like @{function:ifilter}, except that it operates on a list of objects instead of a list of arrays.
    • Function
  • isort
    • Sort a list of arrays by the value of some index. This method is identical to @{function:msort}, but operates on a list of arrays instead of a list of objects.
    • Function
  • msortv_internal
    • Function
  • msortv_natural
    • Function
  • msortv
    • Sort a list of objects by a sort vector.
    • Function
  • msort
    • Sort a list of objects by the return value of some method. In PHP, this is often vastly more efficient than `usort()` and similar.
    • Function
  • igroup
    • Group a list of arrays by the value of some index. This function is the same as @{function:mgroup}, except it operates on the values of array indexes rather than the return values of method calls.
    • Function
  • mgroup
    • Group a list of objects by the result of some method, similar to how GROUP BY works in an SQL query. This function simplifies grouping objects by some property:
    • Function
  • ipull
    • Choose an index from a list of arrays. Short for "index pull", this function works just like @{function:mpull}, except that it operates on a list of arrays and selects an index from them instead of operating on a list of objects and calling a method on them.
    • Function
  • ppull
    • Access a property on a list of objects. Short for "property pull", this function works just like @{function:mpull}, except that it accesses object properties instead of methods. This function simplifies a common type of mapping operation:
    • Function
  • mpull
    • Call a method on a list of objects. Short for "method pull", this function works just like @{function:ipull}, except that it operates on a list of objects instead of a list of arrays. This function simplifies a common type of mapping operation:
    • Function
  • idxv
    • Access a sequence of array indexes, retrieving a deeply nested value if it exists or a default if it does not.
    • Function
  • idx
    • Access an array index, retrieving the value stored there if it exists or a default if it does not. This function allows you to concisely access an index which may or may not exist without raising a warning.
    • Function
  • id
    • Identity function, returns its argument unmodified.
    • Function
  • src/utils/utils.php
    • File
  • PhutilSystem
    • Interact with the operating system.
    • Class
  • parseVMStat
    • Parse the output of `vm_stat`.
    • Method
  • parseMemInfo
    • Parse the output of `/proc/meminfo`.
    • Method
  • getSystemMemoryInformation
    • Get information about total and free memory on the system.
    • Method
  • getStdioHandle
    • Method
  • writeStderr
    • Method
  • getStderrHandle
    • Method
  • getStdoutHandle
    • Method
  • getStdinHandle
    • Method
  • src/utils/PhutilSystem.php
    • File
  • PhutilDirectedScalarGraph
    • Concrete subclass of @{class:AbstractDirectedGraph} which can not load any data from external sources.
    • Class
  • loadEdges
    • Method
  • src/utils/PhutilDirectedScalarGraph.php
    • File
  • PhutilExecutionEnvironment
    • Get information about the current execution environment.
    • Class
  • repairMissingVariablesOrder
    • If the PHP configuration setting "variables_order" does not include "E", the `$_ENV` superglobal is not populated with the containing environment. For details, see T12071.
    • Method
  • getOSXVersion
    • Method
  • src/utils/PhutilExecutionEnvironment.php
    • File
  • PhutilEditDistanceMatrix
    • Compute edit distance between two scalar sequences. This class uses Levenshtein (or Damerau-Levenshtein) to compute the edit distance between two inputs. The inputs are arrays containing any scalars (not just strings) so it can be used with, e.g., utf8 sequences.
    • Class
  • applySmoothing
    • Method
  • printTypeMatrix
    • Method
  • printMatrix
    • Method
  • getInfinity
    • Method
  • computeMatrix
    • Method
  • getDistanceMatrix
    • Method
  • getTypeMatrix
    • Method
  • padEditString
    • Method
  • getEditString
    • Return a string representing the edits between the sequences. The string has these characters:
    • Method
  • getEditDistance
    • Method
  • requireSequences
    • Method
  • setSequences
    • Method
  • getApplySmoothing
    • Method
  • setApplySmoothing
    • Method
  • getAlterCost
    • Method
  • setAlterCost
    • Method
  • getInsertCost
    • Method
  • setInsertCost
    • Method
  • getDeleteCost
    • Method
  • setDeleteCost
    • Method
  • getReplaceCost
    • Method
  • setReplaceCost
    • Method
  • getTransposeCost
    • Method
  • setTransposeCost
    • Method
  • getComputeString
    • Method
  • setComputeString
    • Method
  • didReachMaximumLength
    • Method
  • getMaximumLength
    • Method
  • setMaximumLength
    • Method
  • src/utils/PhutilEditDistanceMatrix.php
    • File
  • PhutilLunarPhase
    • Compute the phase of the terran moon for a given epoch.
    • Class
  • isWaning
    • Method
  • isWaxing
    • Method
  • isNew
    • Method
  • isFull
    • Method
  • getPhase
    • Method
  • __construct
    • Method
  • src/utils/PhutilLunarPhase.php
    • File
  • PhutilBufferedIterator
    • Simple iterator that loads results page-by-page and handles buffering. In particular, this maps well to iterators that load database results page by page and allows you to implement an iterator over a large result set without needing to hold the entire set in memory.
    • Class
  • next
    • Method
  • key
    • By default, the iterator assigns a "natural" key (0, 1, 2, ...) to each result. This method is intentionally nonfinal so you can substitute a different behavior by overriding it if you prefer.
    • Method
  • current
    • Method
  • valid
    • Method
  • rewind
    • Method
  • setPageSize
    • Configure the page size. Note that implementations may ignore this.
    • Method
  • getPageSize
    • Get the configured page size.
    • Method
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